1 /*

     2     SDL - Simple DirectMedia Layer

     3     Copyright (C) 1997-2004 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@libsdl.org

    21 */

    22 #include "SDL_config.h"

    23 

    24 /*

    25 	DMA 8bits and Falcon Codec audio definitions

    26 

    27 	Patrice Mandin, Didier Méquignon

    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 */