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28 lines
520 B
28 lines
520 B
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Apple Sound Chip |
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*/ |
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#ifndef __ASM_MAC_ASC_H |
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#define __ASM_MAC_ASC_H |
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/* |
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* ASC offsets and controls |
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*/ |
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#define ASC_BUF_BASE 0x00 /* RAM buffer offset */ |
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#define ASC_BUF_SIZE 0x800 |
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#define ASC_CONTROL 0x800 |
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#define ASC_CONTROL_OFF 0x00 |
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#define ASC_FREQ(chan,byte) ((0x810)+((chan)<<3)+(byte)) |
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#define ASC_ENABLE 0x801 |
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#define ASC_ENABLE_SAMPLE 0x02 |
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#define ASC_MODE 0x802 |
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#define ASC_MODE_SAMPLE 0x02 |
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#define ASC_VOLUME 0x806 |
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#define ASC_CHAN 0x807 /* ??? */ |
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#endif
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