nkeynes@11 | 1 | /**
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nkeynes@11 | 2 | * $Id: aica.c,v 1.1 2005-12-11 12:00:09 nkeynes Exp $
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nkeynes@11 | 3 | *
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nkeynes@11 | 4 | * This is the core sound system (ie the bit which does the actual work)
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nkeynes@11 | 5 | *
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nkeynes@11 | 6 | * Copyright (c) 2005 Nathan Keynes.
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nkeynes@11 | 7 | *
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nkeynes@11 | 8 | * This program is free software; you can redistribute it and/or modify
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nkeynes@11 | 9 | * it under the terms of the GNU General Public License as published by
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nkeynes@11 | 10 | * the Free Software Foundation; either version 2 of the License, or
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nkeynes@11 | 11 | * (at your option) any later version.
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nkeynes@11 | 12 | *
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nkeynes@11 | 13 | * This program is distributed in the hope that it will be useful,
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nkeynes@11 | 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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nkeynes@11 | 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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nkeynes@11 | 16 | * GNU General Public License for more details.
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nkeynes@11 | 17 | */
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nkeynes@11 | 18 |
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nkeynes@11 | 19 | #include "dream.h"
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nkeynes@11 | 20 | #include "aica.h"
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nkeynes@11 | 21 | #define MMIO_IMPL
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nkeynes@11 | 22 | #include "aica.h"
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nkeynes@11 | 23 |
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nkeynes@11 | 24 | MMIO_REGION_READ_DEFFN( AICA0 )
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nkeynes@11 | 25 | MMIO_REGION_READ_DEFFN( AICA1 )
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nkeynes@11 | 26 | MMIO_REGION_READ_DEFFN( AICA2 )
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nkeynes@11 | 27 |
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nkeynes@11 | 28 | /**
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nkeynes@11 | 29 | * Initialize the AICA subsystem. Note requires that
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nkeynes@11 | 30 | */
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nkeynes@11 | 31 | void aica_init( void )
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nkeynes@11 | 32 | {
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nkeynes@11 | 33 | register_io_regions( mmio_list_spu );
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nkeynes@11 | 34 | MMIO_NOTRACE(AICA0);
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nkeynes@11 | 35 | MMIO_NOTRACE(AICA1);
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nkeynes@11 | 36 | arm_mem_init();
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nkeynes@11 | 37 | }
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nkeynes@11 | 38 |
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nkeynes@11 | 39 | void aica_reset( void )
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nkeynes@11 | 40 | {
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nkeynes@11 | 41 |
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nkeynes@11 | 42 | }
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nkeynes@11 | 43 |
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nkeynes@11 | 44 | /** Channel register structure:
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nkeynes@11 | 45 | * 00
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nkeynes@11 | 46 | * 04
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nkeynes@11 | 47 | * 08 4 Loop start address
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nkeynes@11 | 48 | * 0C 4 Loop end address
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nkeynes@11 | 49 | * 10 4 Volume envelope
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nkeynes@11 | 50 | * 14
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nkeynes@11 | 51 | * 18 4 Frequency (floating point
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nkeynes@11 | 52 | * 1C
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nkeynes@11 | 53 | * 20
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nkeynes@11 | 54 | * 24 1 Pan
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nkeynes@11 | 55 | * 25 1 ??
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nkeynes@11 | 56 | * 26
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nkeynes@11 | 57 | * 27
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nkeynes@11 | 58 | * 28 1 ??
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nkeynes@11 | 59 | * 29 1 Volume
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nkeynes@11 | 60 | * 2C
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nkeynes@11 | 61 | * 30
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nkeynes@11 | 62 | *
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nkeynes@11 | 63 |
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nkeynes@11 | 64 | /* Write to channels 0-31 */
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nkeynes@11 | 65 | void mmio_region_AICA0_write( uint32_t reg, uint32_t val )
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nkeynes@11 | 66 | {
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nkeynes@11 | 67 | // aica_write_channel( reg >> 7, reg % 128, val );
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nkeynes@11 | 68 |
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nkeynes@11 | 69 | }
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nkeynes@11 | 70 |
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nkeynes@11 | 71 | /* Write to channels 32-64 */
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nkeynes@11 | 72 | void mmio_region_AICA1_write( uint32_t reg, uint32_t val )
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nkeynes@11 | 73 | {
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nkeynes@11 | 74 | // aica_write_channel( (reg >> 7) + 32, reg % 128, val );
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nkeynes@11 | 75 |
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nkeynes@11 | 76 | }
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nkeynes@11 | 77 |
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nkeynes@11 | 78 | /* General registers */
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nkeynes@11 | 79 | void mmio_region_AICA2_write( uint32_t reg, uint32_t val )
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nkeynes@11 | 80 | {
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nkeynes@11 | 81 |
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nkeynes@11 | 82 | }
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