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Diffstat (limited to 'apps/plugins/sdl/src/audio/mint/SDL_mintaudio.h')
-rw-r--r--apps/plugins/sdl/src/audio/mint/SDL_mintaudio.h121
1 files changed, 0 insertions, 121 deletions
diff --git a/apps/plugins/sdl/src/audio/mint/SDL_mintaudio.h b/apps/plugins/sdl/src/audio/mint/SDL_mintaudio.h
deleted file mode 100644
index ba6056ee3a..0000000000
--- a/apps/plugins/sdl/src/audio/mint/SDL_mintaudio.h
+++ /dev/null
@@ -1,121 +0,0 @@
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@libsdl.org
21*/
22#include "SDL_config.h"
23
24/*
25 MiNT audio driver
26
27 Patrice Mandin
28*/
29
30#ifndef _SDL_mintaudio_h
31#define _SDL_mintaudio_h
32
33#include "../SDL_sysaudio.h"
34#include "SDL_mintaudio_stfa.h"
35
36/* Hidden "this" pointer for the audio functions */
37#define _THIS SDL_AudioDevice *this
38
39/* 16 predivisors with 3 clocks max. */
40#define MINTAUDIO_maxfreqs (16*3)
41
42typedef struct {
43 Uint32 frequency;
44 Uint32 masterclock;
45 Uint32 predivisor;
46 int gpio_bits; /* in case of external clock */
47} mint_frequency_t;
48
49struct SDL_PrivateAudioData {
50 mint_frequency_t frequencies[MINTAUDIO_maxfreqs];
51 int freq_count; /* Number of frequencies in the array */
52 int numfreq; /* Number of selected frequency */
53};
54
55/* Old variable names */
56
57#define MINTAUDIO_frequencies (this->hidden->frequencies)
58#define MINTAUDIO_freqcount (this->hidden->freq_count)
59#define MINTAUDIO_numfreq (this->hidden->numfreq)
60
61/* _MCH cookie (values>>16) */
62enum {
63 MCH_ST=0,
64 MCH_STE,
65 MCH_TT,
66 MCH_F30,
67 MCH_CLONE,
68 MCH_ARANYM
69};
70
71/* Master clocks for replay frequencies */
72#define MASTERCLOCK_STE 8010666 /* Not sure of this one */
73#define MASTERCLOCK_TT 16107953 /* Not sure of this one */
74#define MASTERCLOCK_FALCON1 25175000
75#define MASTERCLOCK_FALCON2 32000000 /* Only usable for DSP56K */
76#define MASTERCLOCK_FALCONEXT -1 /* Clock on DSP56K port, unknown */
77#define MASTERCLOCK_44K 22579200 /* Standard clock for 44.1 Khz */
78#define MASTERCLOCK_48K 24576000 /* Standard clock for 48 Khz */
79
80/* Master clock predivisors */
81#define MASTERPREDIV_STE 160
82#define MASTERPREDIV_TT 320
83#define MASTERPREDIV_FALCON 256
84#define MASTERPREDIV_MILAN 256
85
86/* Variables */
87extern SDL_AudioDevice *SDL_MintAudio_device;
88extern Uint8 *SDL_MintAudio_audiobuf[2]; /* Pointers to buffers */
89extern unsigned long SDL_MintAudio_audiosize; /* Length of audio buffer=spec->size */
90extern volatile unsigned short SDL_MintAudio_numbuf; /* Buffer to play */
91extern volatile unsigned short SDL_MintAudio_mutex;
92extern cookie_stfa_t *SDL_MintAudio_stfa;
93extern volatile unsigned long SDL_MintAudio_clocktics;
94extern unsigned short SDL_MintAudio_hasfpu; /* To preserve fpu registers if needed */
95
96/* MiNT thread variables */
97extern SDL_bool SDL_MintAudio_mint_present;
98extern SDL_bool SDL_MintAudio_quit_thread;
99extern SDL_bool SDL_MintAudio_thread_finished;
100extern long SDL_MintAudio_thread_pid;
101
102/* Functions */
103void SDL_MintAudio_Callback(void);
104void SDL_MintAudio_AddFrequency(_THIS, Uint32 frequency, Uint32 clock,
105 Uint32 prediv, int gpio_bits);
106int SDL_MintAudio_SearchFrequency(_THIS, int desired_freq);
107void SDL_MintAudio_CheckFpu(void);
108
109/* MiNT thread functions */
110int SDL_MintAudio_Thread(long param);
111void SDL_MintAudio_WaitThread(void);
112
113/* ASM interrupt functions */
114void SDL_MintAudio_GsxbInterrupt(void);
115void SDL_MintAudio_EmptyGsxbInterrupt(void);
116void SDL_MintAudio_XbiosInterruptMeasureClock(void);
117void SDL_MintAudio_XbiosInterrupt(void);
118void SDL_MintAudio_Dma8Interrupt(void);
119void SDL_MintAudio_StfaInterrupt(void);
120
121#endif /* _SDL_mintaudio_h */