1 /* 2 SDL - Simple DirectMedia Layer 3 Copyright (C) 1997-2012 Sam Lantinga 4 5 This library is free software; you can redistribute it and/or 6 modify it under the terms of the GNU Library General Public 7 License as published by the Free Software Foundation; either 8 version 2 of the License, or (at your option) any later version. 9 10 This library is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 Library General Public License for more details. 14 15 You should have received a copy of the GNU Library General Public 16 License along with this library; if not, write to the Free 17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 19 Sam Lantinga 20 slouken (at) libsdl.org 21 */ 22 #include "SDL_config.h" 23 24 /* 25 DMA 8bits and Falcon Codec audio definitions 26 27 Patrice Mandin, Didier Mquignon 28 */ 29 30 #ifndef _SDL_mintaudio_dma8_h 31 #define _SDL_mintaudio_dma8_h 32 33 #define DMAAUDIO_IO_BASE (0xffff8900) 34 struct DMAAUDIO_IO_S { 35 unsigned char int_ctrl; 36 unsigned char control; 37 38 unsigned char dummy1; 39 unsigned char start_high; 40 unsigned char dummy2; 41 unsigned char start_mid; 42 unsigned char dummy3; 43 unsigned char start_low; 44 45 unsigned char dummy4; 46 unsigned char cur_high; 47 unsigned char dummy5; 48 unsigned char cur_mid; 49 unsigned char dummy6; 50 unsigned char cur_low; 51 52 unsigned char dummy7; 53 unsigned char end_high; 54 unsigned char dummy8; 55 unsigned char end_mid; 56 unsigned char dummy9; 57 unsigned char end_low; 58 59 unsigned char dummy10[12]; 60 61 unsigned char track_ctrl; /* CODEC only */ 62 unsigned char sound_ctrl; 63 unsigned short sound_data; 64 unsigned short sound_mask; 65 66 unsigned char dummy11[10]; 67 68 unsigned short dev_ctrl; 69 unsigned short dest_ctrl; 70 unsigned short sync_div; 71 unsigned char track_rec; 72 unsigned char adderin_input; 73 unsigned char channel_input; 74 unsigned char channel_amplification; 75 unsigned char channel_reduction; 76 77 unsigned char dummy12[6]; 78 79 unsigned char data_direction; 80 unsigned char dummy13; 81 unsigned char dev_data; 82 }; 83 #define DMAAUDIO_IO ((*(volatile struct DMAAUDIO_IO_S *)DMAAUDIO_IO_BASE)) 84 85 #endif /* _SDL_mintaudio_dma8_h */ 86
