--- a/src/audio/mint/SDL_mintaudio_dma8.c	Thu Jul 06 18:01:37 2006 +0000
+++ b/src/audio/mint/SDL_mintaudio_dma8.c	Mon Jul 10 21:04:37 2006 +0000
@@ -64,293 +64,307 @@
 /*--- Audio driver functions ---*/
 
 static void Mint_CloseAudio(_THIS);
-static int Mint_OpenAudio(_THIS, SDL_AudioSpec *spec);
+static int Mint_OpenAudio(_THIS, SDL_AudioSpec * spec);
 static void Mint_LockAudio(_THIS);
 static void Mint_UnlockAudio(_THIS);
 
 /* To check/init hardware audio */
-static int Mint_CheckAudio(_THIS, SDL_AudioSpec *spec);
-static void Mint_InitAudio(_THIS, SDL_AudioSpec *spec);
+static int Mint_CheckAudio(_THIS, SDL_AudioSpec * spec);
+static void Mint_InitAudio(_THIS, SDL_AudioSpec * spec);
 
 /*--- Audio driver bootstrap functions ---*/
 
-static int Audio_Available(void)
+static int
+Audio_Available(void)
 {
-	const char *envr = SDL_getenv("SDL_AUDIODRIVER");
+    const char *envr = SDL_getenv("SDL_AUDIODRIVER");
 
-	/* Check if user asked a different audio driver */
-	if ((envr) && (SDL_strcmp(envr, MINT_AUDIO_DRIVER_NAME)!=0)) {
-		DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n"));
-		return 0;
-	}
+    /* Check if user asked a different audio driver */
+    if ((envr) && (SDL_strcmp(envr, MINT_AUDIO_DRIVER_NAME) != 0)) {
+        DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n"));
+        return 0;
+    }
 
-	/* Cookie _MCH present ? if not, assume ST machine */
-	if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
-		cookie_mch = MCH_ST;
-	}
+    /* Cookie _MCH present ? if not, assume ST machine */
+    if (Getcookie(C__MCH, &cookie_mch) == C_NOTFOUND) {
+        cookie_mch = MCH_ST;
+    }
 
-	/* Cookie _SND present ? if not, assume ST machine */
-	if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
-		cookie_snd = SND_PSG;
-	}
+    /* Cookie _SND present ? if not, assume ST machine */
+    if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
+        cookie_snd = SND_PSG;
+    }
 
-	/* Check if we have 8 bits audio */
-	if ((cookie_snd & SND_8BIT)==0) {
-		DEBUG_PRINT((DEBUG_NAME "no 8 bits sound\n"));
-	    return(0);
-	}
+    /* Check if we have 8 bits audio */
+    if ((cookie_snd & SND_8BIT) == 0) {
+        DEBUG_PRINT((DEBUG_NAME "no 8 bits sound\n"));
+        return (0);
+    }
 
-	/* Check if audio is lockable */
-	if (cookie_snd & SND_16BIT) {
-		if (Locksnd()!=1) {
-			DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n"));
-			return(0);
-		}
+    /* Check if audio is lockable */
+    if (cookie_snd & SND_16BIT) {
+        if (Locksnd() != 1) {
+            DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n"));
+            return (0);
+        }
 
-		Unlocksnd();
-	}
+        Unlocksnd();
+    }
 
-	DEBUG_PRINT((DEBUG_NAME "8 bits audio available!\n"));
-	return(1);
+    DEBUG_PRINT((DEBUG_NAME "8 bits audio available!\n"));
+    return (1);
 }
 
-static void Audio_DeleteDevice(SDL_AudioDevice *device)
+static void
+Audio_DeleteDevice(SDL_AudioDevice * device)
 {
     SDL_free(device->hidden);
     SDL_free(device);
 }
 
-static SDL_AudioDevice *Audio_CreateDevice(int devindex)
+static SDL_AudioDevice *
+Audio_CreateDevice(int devindex)
 {
-	SDL_AudioDevice *this;
+    SDL_AudioDevice *this;
 
-	/* Initialize all variables that we clean on shutdown */
-	this = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice));
-    if ( this ) {
+    /* Initialize all variables that we clean on shutdown */
+    this = (SDL_AudioDevice *) SDL_malloc(sizeof(SDL_AudioDevice));
+    if (this) {
         SDL_memset(this, 0, (sizeof *this));
         this->hidden = (struct SDL_PrivateAudioData *)
-                SDL_malloc((sizeof *this->hidden));
+            SDL_malloc((sizeof *this->hidden));
     }
-    if ( (this == NULL) || (this->hidden == NULL) ) {
+    if ((this == NULL) || (this->hidden == NULL)) {
         SDL_OutOfMemory();
-        if ( this ) {
+        if (this) {
             SDL_free(this);
         }
-        return(0);
+        return (0);
     }
     SDL_memset(this->hidden, 0, (sizeof *this->hidden));
 
     /* Set the function pointers */
-    this->OpenAudio   = Mint_OpenAudio;
-    this->CloseAudio  = Mint_CloseAudio;
-    this->LockAudio   = Mint_LockAudio;
+    this->OpenAudio = Mint_OpenAudio;
+    this->CloseAudio = Mint_CloseAudio;
+    this->LockAudio = Mint_LockAudio;
     this->UnlockAudio = Mint_UnlockAudio;
-    this->free        = Audio_DeleteDevice;
+    this->free = Audio_DeleteDevice;
 
     return this;
 }
 
 AudioBootStrap MINTAUDIO_DMA8_bootstrap = {
-	MINT_AUDIO_DRIVER_NAME, "MiNT DMA 8 bits audio driver",
-	Audio_Available, Audio_CreateDevice
+    MINT_AUDIO_DRIVER_NAME, "MiNT DMA 8 bits audio driver",
+    Audio_Available, Audio_CreateDevice
 };
 
-static void Mint_LockAudio(_THIS)
+static void
+Mint_LockAudio(_THIS)
 {
-	void *oldpile;
+    void *oldpile;
 
-	/* Stop replay */
-	oldpile=(void *)Super(0);
-	DMAAUDIO_IO.control=0;
-	Super(oldpile);
+    /* Stop replay */
+    oldpile = (void *) Super(0);
+    DMAAUDIO_IO.control = 0;
+    Super(oldpile);
 }
 
-static void Mint_UnlockAudio(_THIS)
+static void
+Mint_UnlockAudio(_THIS)
 {
-	void *oldpile;
+    void *oldpile;
 
-	/* Restart replay */
-	oldpile=(void *)Super(0);
-	DMAAUDIO_IO.control=3;
-	Super(oldpile);
+    /* Restart replay */
+    oldpile = (void *) Super(0);
+    DMAAUDIO_IO.control = 3;
+    Super(oldpile);
 }
 
-static void Mint_CloseAudio(_THIS)
+static void
+Mint_CloseAudio(_THIS)
 {
-	void *oldpile;
+    void *oldpile;
 
-	/* Stop replay */
-	oldpile=(void *)Super(0);
-	DMAAUDIO_IO.control=0;
-	Super(oldpile);
+    /* Stop replay */
+    oldpile = (void *) Super(0);
+    DMAAUDIO_IO.control = 0;
+    Super(oldpile);
 
-	DEBUG_PRINT((DEBUG_NAME "closeaudio: replay stopped\n"));
+    DEBUG_PRINT((DEBUG_NAME "closeaudio: replay stopped\n"));
 
-	/* Disable interrupt */
-	Jdisint(MFP_DMASOUND);
+    /* Disable interrupt */
+    Jdisint(MFP_DMASOUND);
 
-	DEBUG_PRINT((DEBUG_NAME "closeaudio: interrupt disabled\n"));
+    DEBUG_PRINT((DEBUG_NAME "closeaudio: interrupt disabled\n"));
 
-	/* Wait if currently playing sound */
-	while (SDL_MintAudio_mutex != 0) {
-	}
+    /* Wait if currently playing sound */
+    while (SDL_MintAudio_mutex != 0) {
+    }
 
-	DEBUG_PRINT((DEBUG_NAME "closeaudio: no more interrupt running\n"));
+    DEBUG_PRINT((DEBUG_NAME "closeaudio: no more interrupt running\n"));
 
-	/* Clear buffers */
-	if (SDL_MintAudio_audiobuf[0]) {
-		Mfree(SDL_MintAudio_audiobuf[0]);
-		SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
-	}
+    /* Clear buffers */
+    if (SDL_MintAudio_audiobuf[0]) {
+        Mfree(SDL_MintAudio_audiobuf[0]);
+        SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
+    }
 
-	DEBUG_PRINT((DEBUG_NAME "closeaudio: buffers freed\n"));
+    DEBUG_PRINT((DEBUG_NAME "closeaudio: buffers freed\n"));
 }
 
-static int Mint_CheckAudio(_THIS, SDL_AudioSpec *spec)
+static int
+Mint_CheckAudio(_THIS, SDL_AudioSpec * spec)
 {
-	int i, masterprediv, sfreq;
-	unsigned long masterclock;
+    int i, masterprediv, sfreq;
+    unsigned long masterclock;
 
-	DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ",spec->format & 0x00ff));
-	DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
-	DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
-	DEBUG_PRINT(("channels=%d, ", spec->channels));
-	DEBUG_PRINT(("freq=%d\n", spec->freq));
+    DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ", spec->format & 0x00ff));
+    DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000) != 0)));
+    DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000) != 0)));
+    DEBUG_PRINT(("channels=%d, ", spec->channels));
+    DEBUG_PRINT(("freq=%d\n", spec->freq));
 
-	/* Check formats available */
-	spec->format = AUDIO_S8;
-	
-	/* Calculate and select the closest frequency */
-	sfreq=0;
-	masterclock=MASTERCLOCK_STE;
-	masterprediv=MASTERPREDIV_STE;
-	switch(cookie_mch>>16) {
+    /* Check formats available */
+    spec->format = AUDIO_S8;
+
+    /* Calculate and select the closest frequency */
+    sfreq = 0;
+    masterclock = MASTERCLOCK_STE;
+    masterprediv = MASTERPREDIV_STE;
+    switch (cookie_mch >> 16) {
 /*
 		case MCH_STE:
 			masterclock=MASTERCLOCK_STE;
 			masterprediv=MASTERPREDIV_STE;
 			break;
 */
-		case MCH_TT:
-			masterclock=MASTERCLOCK_TT;
-			masterprediv=MASTERPREDIV_TT;
-			break;
-		case MCH_F30:
-		case MCH_ARANYM:
-			masterclock=MASTERCLOCK_FALCON1;
-			masterprediv=MASTERPREDIV_FALCON;
-			sfreq=1;
-			break;
-	}
-	
-	MINTAUDIO_freqcount=0;
-	for (i=sfreq;i<4;i++) {
-		SDL_MintAudio_AddFrequency(this, masterclock/(masterprediv*(1<<i)),
-			masterclock, i-sfreq, -1);
-	}
+    case MCH_TT:
+        masterclock = MASTERCLOCK_TT;
+        masterprediv = MASTERPREDIV_TT;
+        break;
+    case MCH_F30:
+    case MCH_ARANYM:
+        masterclock = MASTERCLOCK_FALCON1;
+        masterprediv = MASTERPREDIV_FALCON;
+        sfreq = 1;
+        break;
+    }
+
+    MINTAUDIO_freqcount = 0;
+    for (i = sfreq; i < 4; i++) {
+        SDL_MintAudio_AddFrequency(this,
+                                   masterclock / (masterprediv * (1 << i)),
+                                   masterclock, i - sfreq, -1);
+    }
 
 #if 1
-	for (i=0; i<MINTAUDIO_freqcount; i++) {
-		DEBUG_PRINT((DEBUG_NAME "freq %d: %lu Hz, clock %lu, prediv %d\n",
-			i, MINTAUDIO_frequencies[i].frequency, MINTAUDIO_frequencies[i].masterclock,
-			MINTAUDIO_frequencies[i].predivisor
-		));
-	}
+    for (i = 0; i < MINTAUDIO_freqcount; i++) {
+        DEBUG_PRINT((DEBUG_NAME "freq %d: %lu Hz, clock %lu, prediv %d\n",
+                     i, MINTAUDIO_frequencies[i].frequency,
+                     MINTAUDIO_frequencies[i].masterclock,
+                     MINTAUDIO_frequencies[i].predivisor));
+    }
 #endif
 
-	MINTAUDIO_numfreq=SDL_MintAudio_SearchFrequency(this, spec->freq);
-	spec->freq=MINTAUDIO_frequencies[MINTAUDIO_numfreq].frequency;
+    MINTAUDIO_numfreq = SDL_MintAudio_SearchFrequency(this, spec->freq);
+    spec->freq = MINTAUDIO_frequencies[MINTAUDIO_numfreq].frequency;
 
-	DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ",spec->format & 0x00ff));
-	DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
-	DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
-	DEBUG_PRINT(("channels=%d, ", spec->channels));
-	DEBUG_PRINT(("freq=%d\n", spec->freq));
+    DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ", spec->format & 0x00ff));
+    DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000) != 0)));
+    DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000) != 0)));
+    DEBUG_PRINT(("channels=%d, ", spec->channels));
+    DEBUG_PRINT(("freq=%d\n", spec->freq));
 
-	return 0;
+    return 0;
 }
 
-static void Mint_InitAudio(_THIS, SDL_AudioSpec *spec)
+static void
+Mint_InitAudio(_THIS, SDL_AudioSpec * spec)
 {
-	void *oldpile;
-	unsigned long buffer;
-	unsigned char mode;
-	
-	/* Set replay tracks */
-	if (cookie_snd & SND_16BIT) {
-		Settracks(0,0);
-		Setmontracks(0);
-	}
+    void *oldpile;
+    unsigned long buffer;
+    unsigned char mode;
+
+    /* Set replay tracks */
+    if (cookie_snd & SND_16BIT) {
+        Settracks(0, 0);
+        Setmontracks(0);
+    }
 
-	oldpile=(void *)Super(0);
+    oldpile = (void *) Super(0);
 
-	/* Stop currently playing sound */
-	DMAAUDIO_IO.control=0;
+    /* Stop currently playing sound */
+    DMAAUDIO_IO.control = 0;
 
-	/* Set buffer */
-	buffer = (unsigned long) SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf];
-	DMAAUDIO_IO.start_high = (buffer>>16) & 255;
-	DMAAUDIO_IO.start_mid = (buffer>>8) & 255;
-	DMAAUDIO_IO.start_low = buffer & 255;
+    /* Set buffer */
+    buffer = (unsigned long) SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf];
+    DMAAUDIO_IO.start_high = (buffer >> 16) & 255;
+    DMAAUDIO_IO.start_mid = (buffer >> 8) & 255;
+    DMAAUDIO_IO.start_low = buffer & 255;
 
-	buffer += SDL_MintAudio_audiosize;
-	DMAAUDIO_IO.end_high = (buffer>>16) & 255;
-	DMAAUDIO_IO.end_mid = (buffer>>8) & 255;
-	DMAAUDIO_IO.end_low = buffer & 255;
+    buffer += SDL_MintAudio_audiosize;
+    DMAAUDIO_IO.end_high = (buffer >> 16) & 255;
+    DMAAUDIO_IO.end_mid = (buffer >> 8) & 255;
+    DMAAUDIO_IO.end_low = buffer & 255;
 
-	mode = 3-MINTAUDIO_frequencies[MINTAUDIO_numfreq].predivisor;
-	if (spec->channels==1) {
-		mode |= 1<<7;
-	}
-	DMAAUDIO_IO.sound_ctrl = mode;	
+    mode = 3 - MINTAUDIO_frequencies[MINTAUDIO_numfreq].predivisor;
+    if (spec->channels == 1) {
+        mode |= 1 << 7;
+    }
+    DMAAUDIO_IO.sound_ctrl = mode;
 
-	/* Set interrupt */
-	Jdisint(MFP_DMASOUND);
-	Xbtimer(XB_TIMERA, 8, 1, SDL_MintAudio_Dma8Interrupt);
-	Jenabint(MFP_DMASOUND);
+    /* Set interrupt */
+    Jdisint(MFP_DMASOUND);
+    Xbtimer(XB_TIMERA, 8, 1, SDL_MintAudio_Dma8Interrupt);
+    Jenabint(MFP_DMASOUND);
 
-	if (cookie_snd & SND_16BIT) {
-		if (Setinterrupt(SI_TIMERA, SI_PLAY)<0) {
-			DEBUG_PRINT((DEBUG_NAME "Setinterrupt() failed\n"));
-		}
-	}
+    if (cookie_snd & SND_16BIT) {
+        if (Setinterrupt(SI_TIMERA, SI_PLAY) < 0) {
+            DEBUG_PRINT((DEBUG_NAME "Setinterrupt() failed\n"));
+        }
+    }
 
-	/* Go */
-	DMAAUDIO_IO.control = 3;	/* playback + repeat */
+    /* Go */
+    DMAAUDIO_IO.control = 3;    /* playback + repeat */
 
-	Super(oldpile);
+    Super(oldpile);
 }
 
-static int Mint_OpenAudio(_THIS, SDL_AudioSpec *spec)
+static int
+Mint_OpenAudio(_THIS, SDL_AudioSpec * spec)
 {
-	SDL_MintAudio_device = this;
+    SDL_MintAudio_device = this;
 
-	/* Check audio capabilities */
-	if (Mint_CheckAudio(this, spec)==-1) {
-		return -1;
-	}
+    /* Check audio capabilities */
+    if (Mint_CheckAudio(this, spec) == -1) {
+        return -1;
+    }
 
-	SDL_CalculateAudioSpec(spec);
+    SDL_CalculateAudioSpec(spec);
 
-	/* Allocate memory for audio buffers in DMA-able RAM */
-	DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", spec->size));
+    /* Allocate memory for audio buffers in DMA-able RAM */
+    DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", spec->size));
 
-	SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(spec->size *2, MX_STRAM);
-	if (SDL_MintAudio_audiobuf[0]==NULL) {
-		SDL_SetError("MINT_OpenAudio: Not enough memory for audio buffer");
-		return (-1);
-	}
-	SDL_MintAudio_audiobuf[1] = SDL_MintAudio_audiobuf[0] + spec->size ;
-	SDL_MintAudio_numbuf=0;
-	SDL_memset(SDL_MintAudio_audiobuf[0], spec->silence, spec->size *2);
-	SDL_MintAudio_audiosize = spec->size;
-	SDL_MintAudio_mutex = 0;
+    SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(spec->size * 2, MX_STRAM);
+    if (SDL_MintAudio_audiobuf[0] == NULL) {
+        SDL_SetError("MINT_OpenAudio: Not enough memory for audio buffer");
+        return (-1);
+    }
+    SDL_MintAudio_audiobuf[1] = SDL_MintAudio_audiobuf[0] + spec->size;
+    SDL_MintAudio_numbuf = 0;
+    SDL_memset(SDL_MintAudio_audiobuf[0], spec->silence, spec->size * 2);
+    SDL_MintAudio_audiosize = spec->size;
+    SDL_MintAudio_mutex = 0;
 
-	DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", SDL_MintAudio_audiobuf[0]));
-	DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n", SDL_MintAudio_audiobuf[1]));
+    DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n",
+                 SDL_MintAudio_audiobuf[0]));
+    DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n",
+                 SDL_MintAudio_audiobuf[1]));
 
-	/* Setup audio hardware */
-	Mint_InitAudio(this, spec);
+    /* Setup audio hardware */
+    Mint_InitAudio(this, spec);
 
-    return(1);	/* We don't use threaded audio */
+    return (1);                 /* We don't use threaded audio */
 }
+
+/* vi: set ts=4 sw=4 expandtab: */