Mercurial > sdl-ios-xcode
diff src/audio/mint/SDL_mintaudio_xbios.c @ 1668:4da1ee79c9af SDL-1.3
more tweaking indent options
author | Sam Lantinga <slouken@libsdl.org> |
---|---|
date | Mon, 29 May 2006 04:04:35 +0000 |
parents | 782fd950bd46 |
children |
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line diff
--- a/src/audio/mint/SDL_mintaudio_xbios.c Mon May 29 03:53:21 2006 +0000 +++ b/src/audio/mint/SDL_mintaudio_xbios.c Mon May 29 04:04:35 2006 +0000 @@ -66,86 +66,86 @@ /*--- Audio driver functions ---*/ -static void Mint_CloseAudio (_THIS); -static int Mint_OpenAudio (_THIS, SDL_AudioSpec * spec); -static void Mint_LockAudio (_THIS); -static void Mint_UnlockAudio (_THIS); +static void Mint_CloseAudio(_THIS); +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) +Audio_Available(void) { unsigned long dummy; - const char *envr = SDL_getenv ("SDL_AUDIODRIVER"); + const char *envr = SDL_getenv("SDL_AUDIODRIVER"); - SDL_MintAudio_mint_present = (Getcookie (C_MiNT, &dummy) == C_FOUND); + SDL_MintAudio_mint_present = (Getcookie(C_MiNT, &dummy) == C_FOUND); /* We can't use XBIOS in interrupt with Magic, don't know about thread */ - if (Getcookie (C_MagX, &dummy) == C_FOUND) { + if (Getcookie(C_MagX, &dummy) == C_FOUND) { 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")); + if ((envr) && (SDL_strcmp(envr, MINT_AUDIO_DRIVER_NAME) != 0)) { + DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n")); return (0); } /* Cookie _SND present ? if not, assume ST machine */ - if (Getcookie (C__SND, &cookie_snd) == C_NOTFOUND) { + if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) { cookie_snd = SND_PSG; } /* Check if we have 16 bits audio */ if ((cookie_snd & SND_16BIT) == 0) { - DEBUG_PRINT ((DEBUG_NAME "no 16 bits sound\n")); + DEBUG_PRINT((DEBUG_NAME "no 16 bits sound\n")); return (0); } /* Check if audio is lockable */ - if (Locksnd () != 1) { - DEBUG_PRINT ((DEBUG_NAME "audio locked by other application\n")); + if (Locksnd() != 1) { + DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n")); return (0); } - Unlocksnd (); + Unlocksnd(); - DEBUG_PRINT ((DEBUG_NAME "XBIOS audio available!\n")); + DEBUG_PRINT((DEBUG_NAME "XBIOS audio available!\n")); return (1); } static void -Audio_DeleteDevice (SDL_AudioDevice * device) +Audio_DeleteDevice(SDL_AudioDevice * device) { - SDL_free (device->hidden); - SDL_free (device); + SDL_free(device->hidden); + SDL_free(device); } static SDL_AudioDevice * -Audio_CreateDevice (int devindex) +Audio_CreateDevice(int devindex) { SDL_AudioDevice *this; /* Initialize all variables that we clean on shutdown */ - this = (SDL_AudioDevice *) SDL_malloc (sizeof (SDL_AudioDevice)); + this = (SDL_AudioDevice *) SDL_malloc(sizeof(SDL_AudioDevice)); if (this) { - SDL_memset (this, 0, (sizeof *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)) { - SDL_OutOfMemory (); + SDL_OutOfMemory(); if (this) { - SDL_free (this); + SDL_free(this); } return (0); } - SDL_memset (this->hidden, 0, (sizeof *this->hidden)); + SDL_memset(this->hidden, 0, (sizeof *this->hidden)); /* Set the function pointers */ this->OpenAudio = Mint_OpenAudio; @@ -163,29 +163,29 @@ }; static void -Mint_LockAudio (_THIS) +Mint_LockAudio(_THIS) { /* Stop replay */ - Buffoper (0); + Buffoper(0); } static void -Mint_UnlockAudio (_THIS) +Mint_UnlockAudio(_THIS) { /* Restart replay */ - Buffoper (SB_PLA_ENA | SB_PLA_RPT); + Buffoper(SB_PLA_ENA | SB_PLA_RPT); } static void -Mint_CloseAudio (_THIS) +Mint_CloseAudio(_THIS) { /* Stop replay */ - SDL_MintAudio_WaitThread (); - Buffoper (0); + SDL_MintAudio_WaitThread(); + Buffoper(0); if (!SDL_MintAudio_mint_present) { /* Uninstall interrupt */ - Jdisint (MFP_DMASOUND); + Jdisint(MFP_DMASOUND); } /* Wait if currently playing sound */ @@ -194,17 +194,17 @@ /* Clear buffers */ if (SDL_MintAudio_audiobuf[0]) { - Mfree (SDL_MintAudio_audiobuf[0]); + Mfree(SDL_MintAudio_audiobuf[0]); SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL; } /* Unlock sound system */ - Unlocksnd (); + Unlocksnd(); } /* Falcon XBIOS implementation of Devconnect() is buggy with external clock */ static void -Devconnect2 (int src, int dst, int sclk, int pre) +Devconnect2(int src, int dst, int sclk, int pre) { static const unsigned short MASK1[3] = { 0, 0x6000, 0 }; static const unsigned short MASK2[4] = { 0xFFF0, 0xFF8F, 0xF0FF, 0x0FFF }; @@ -217,7 +217,7 @@ return; } - oldstack = (void *) Super (0); + oldstack = (void *) Super(0); dev_ctrl = DMAAUDIO_IO.dev_ctrl; dest_ctrl = DMAAUDIO_IO.dest_ctrl; @@ -264,11 +264,11 @@ DMAAUDIO_IO.dest_ctrl = dest_ctrl; DMAAUDIO_IO.sync_div = sync_div; - Super (oldstack); + Super(oldstack); } static void -Mint_CheckExternalClock (_THIS) +Mint_CheckExternalClock(_THIS) { #define SIZE_BUF_CLOCK_MEASURE (44100/10) @@ -277,93 +277,93 @@ int i, j; /* DSP present with its GPIO port ? */ - if (Getcookie (C__SND, &cookie_snd) == C_NOTFOUND) { + if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) { return; } if ((cookie_snd & SND_DSP) == 0) { return; } - buffer = Atari_SysMalloc (SIZE_BUF_CLOCK_MEASURE, MX_STRAM); + buffer = Atari_SysMalloc(SIZE_BUF_CLOCK_MEASURE, MX_STRAM); if (buffer == NULL) { - DEBUG_PRINT ((DEBUG_NAME "Not enough memory for the measure\n")); + DEBUG_PRINT((DEBUG_NAME "Not enough memory for the measure\n")); return; } - SDL_memset (buffer, 0, SIZE_BUF_CLOCK_MEASURE); + SDL_memset(buffer, 0, SIZE_BUF_CLOCK_MEASURE); - Buffoper (0); - Settracks (0, 0); - Setmontracks (0); - Setmode (MONO8); - Jdisint (MFP_TIMERA); + Buffoper(0); + Settracks(0, 0); + Setmontracks(0); + Setmode(MONO8); + Jdisint(MFP_TIMERA); for (i = 0; i < 2; i++) { - Gpio (GPIO_SET, 7); /* DSP port gpio outputs */ - Gpio (GPIO_WRITE, 2 + i); /* 22.5792/24.576 MHz for 44.1/48KHz */ - Devconnect2 (DMAPLAY, DAC, CLKEXT, CLK50K); /* Matrix and clock source */ - Setbuffer (0, buffer, buffer + SIZE_BUF_CLOCK_MEASURE); /* Set buffer */ - Xbtimer (XB_TIMERA, 5, 38, SDL_MintAudio_XbiosInterruptMeasureClock); /* delay mode timer A, prediv /64, 1KHz */ - Jenabint (MFP_TIMERA); + Gpio(GPIO_SET, 7); /* DSP port gpio outputs */ + Gpio(GPIO_WRITE, 2 + i); /* 22.5792/24.576 MHz for 44.1/48KHz */ + Devconnect2(DMAPLAY, DAC, CLKEXT, CLK50K); /* Matrix and clock source */ + Setbuffer(0, buffer, buffer + SIZE_BUF_CLOCK_MEASURE); /* Set buffer */ + Xbtimer(XB_TIMERA, 5, 38, SDL_MintAudio_XbiosInterruptMeasureClock); /* delay mode timer A, prediv /64, 1KHz */ + Jenabint(MFP_TIMERA); SDL_MintAudio_clocktics = 0; - Buffoper (SB_PLA_ENA); - usleep (110000); + Buffoper(SB_PLA_ENA); + usleep(110000); - if ((Buffoper (-1) & 1) == 0) { + if ((Buffoper(-1) & 1) == 0) { if (SDL_MintAudio_clocktics) { unsigned long khz; khz = ((SIZE_BUF_CLOCK_MEASURE / SDL_MintAudio_clocktics) + 1) & 0xFFFFFFFE; - DEBUG_PRINT ((DEBUG_NAME "measure %d: freq=%lu KHz\n", - i + 1, khz)); + DEBUG_PRINT((DEBUG_NAME "measure %d: freq=%lu KHz\n", + i + 1, khz)); if (khz == 44) { for (j = 1; j < 4; j++) { - SDL_MintAudio_AddFrequency (this, - MASTERCLOCK_44K - / - (MASTERPREDIV_FALCON - * (1 << j)), - MASTERCLOCK_44K, - (1 << j) - 1, 2 + i); + SDL_MintAudio_AddFrequency(this, + MASTERCLOCK_44K + / + (MASTERPREDIV_FALCON + * (1 << j)), + MASTERCLOCK_44K, + (1 << j) - 1, 2 + i); } } else if (khz == 48) { for (j = 1; j < 4; j++) { - SDL_MintAudio_AddFrequency (this, - MASTERCLOCK_48K - / - (MASTERPREDIV_FALCON - * (1 << j)), - MASTERCLOCK_48K, - (1 << j) - 1, 2 + i); + SDL_MintAudio_AddFrequency(this, + MASTERCLOCK_48K + / + (MASTERPREDIV_FALCON + * (1 << j)), + MASTERCLOCK_48K, + (1 << j) - 1, 2 + i); } } } else { - DEBUG_PRINT ((DEBUG_NAME "No measure\n")); + DEBUG_PRINT((DEBUG_NAME "No measure\n")); } } else { - DEBUG_PRINT ((DEBUG_NAME "No SDMA clock\n")); + DEBUG_PRINT((DEBUG_NAME "No SDMA clock\n")); } - Buffoper (0); /* stop */ - Jdisint (MFP_TIMERA); /* Uninstall interrupt */ + Buffoper(0); /* stop */ + Jdisint(MFP_TIMERA); /* Uninstall interrupt */ } - Mfree (buffer); + Mfree(buffer); } static int -Mint_CheckAudio (_THIS, SDL_AudioSpec * spec) +Mint_CheckAudio(_THIS, SDL_AudioSpec * spec) { int i; Uint32 extclock; - 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)); spec->format |= 0x8000; /* Audio is always signed */ if ((spec->format & 0x00ff) == 16) { @@ -374,7 +374,7 @@ MINTAUDIO_freqcount = 0; /* Add external clocks if present */ - Mint_CheckExternalClock (this); + Mint_CheckExternalClock(this); /* Standard clocks */ for (i = 1; i < 12; i++) { @@ -382,35 +382,35 @@ if ((i == 6) || (i == 8) || (i == 10)) { continue; } - SDL_MintAudio_AddFrequency (this, - MASTERCLOCK_FALCON1 / - (MASTERPREDIV_FALCON * (i + 1)), - MASTERCLOCK_FALCON1, i, -1); + SDL_MintAudio_AddFrequency(this, + MASTERCLOCK_FALCON1 / + (MASTERPREDIV_FALCON * (i + 1)), + MASTERCLOCK_FALCON1, i, -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)); + 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); + 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; } static void -Mint_InitAudio (_THIS, SDL_AudioSpec * spec) +Mint_InitAudio(_THIS, SDL_AudioSpec * spec) { int channels_mode, dmaclock, prediv; void *buffer; @@ -418,12 +418,12 @@ /* Stop currently playing sound */ SDL_MintAudio_quit_thread = SDL_FALSE; SDL_MintAudio_thread_finished = SDL_TRUE; - SDL_MintAudio_WaitThread (); - Buffoper (0); + SDL_MintAudio_WaitThread(); + Buffoper(0); /* Set replay tracks */ - Settracks (0, 0); - Setmontracks (0); + Settracks(0, 0); + Setmontracks(0); /* Select replay format */ channels_mode = STEREO16; @@ -436,83 +436,83 @@ } break; } - if (Setmode (channels_mode) < 0) { - DEBUG_PRINT ((DEBUG_NAME "Setmode() failed\n")); + if (Setmode(channels_mode) < 0) { + DEBUG_PRINT((DEBUG_NAME "Setmode() failed\n")); } dmaclock = MINTAUDIO_frequencies[MINTAUDIO_numfreq].masterclock; prediv = MINTAUDIO_frequencies[MINTAUDIO_numfreq].predivisor; if (MINTAUDIO_frequencies[MINTAUDIO_numfreq].gpio_bits != -1) { - Gpio (GPIO_SET, 7); /* DSP port gpio outputs */ - Gpio (GPIO_WRITE, MINTAUDIO_frequencies[MINTAUDIO_numfreq].gpio_bits); - Devconnect2 (DMAPLAY, DAC | EXTOUT, CLKEXT, prediv); + Gpio(GPIO_SET, 7); /* DSP port gpio outputs */ + Gpio(GPIO_WRITE, MINTAUDIO_frequencies[MINTAUDIO_numfreq].gpio_bits); + Devconnect2(DMAPLAY, DAC | EXTOUT, CLKEXT, prediv); } else { - Devconnect2 (DMAPLAY, DAC, CLK25M, prediv); + Devconnect2(DMAPLAY, DAC, CLK25M, prediv); } /* Set buffer */ buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf]; - if (Setbuffer (0, buffer, buffer + spec->size) < 0) { - DEBUG_PRINT ((DEBUG_NAME "Setbuffer() failed\n")); + if (Setbuffer(0, buffer, buffer + spec->size) < 0) { + DEBUG_PRINT((DEBUG_NAME "Setbuffer() failed\n")); } if (SDL_MintAudio_mint_present) { - SDL_MintAudio_thread_pid = tfork (SDL_MintAudio_Thread, 0); + SDL_MintAudio_thread_pid = tfork(SDL_MintAudio_Thread, 0); } else { /* Install interrupt */ - Jdisint (MFP_DMASOUND); - Xbtimer (XB_TIMERA, 8, 1, SDL_MintAudio_XbiosInterrupt); - Jenabint (MFP_DMASOUND); + Jdisint(MFP_DMASOUND); + Xbtimer(XB_TIMERA, 8, 1, SDL_MintAudio_XbiosInterrupt); + Jenabint(MFP_DMASOUND); - if (Setinterrupt (SI_TIMERA, SI_PLAY) < 0) { - DEBUG_PRINT ((DEBUG_NAME "Setinterrupt() failed\n")); + if (Setinterrupt(SI_TIMERA, SI_PLAY) < 0) { + DEBUG_PRINT((DEBUG_NAME "Setinterrupt() failed\n")); } } /* Go */ - Buffoper (SB_PLA_ENA | SB_PLA_RPT); - DEBUG_PRINT ((DEBUG_NAME "hardware initialized\n")); + Buffoper(SB_PLA_ENA | SB_PLA_RPT); + DEBUG_PRINT((DEBUG_NAME "hardware initialized\n")); } static int -Mint_OpenAudio (_THIS, SDL_AudioSpec * spec) +Mint_OpenAudio(_THIS, SDL_AudioSpec * spec) { /* Lock sound system */ - if (Locksnd () != 1) { - SDL_SetError ("Mint_OpenAudio: Audio system already in use"); + if (Locksnd() != 1) { + SDL_SetError("Mint_OpenAudio: Audio system already in use"); return (-1); } SDL_MintAudio_device = this; /* Check audio capabilities */ - if (Mint_CheckAudio (this, spec) == -1) { + 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)); + DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", spec->size)); - SDL_MintAudio_audiobuf[0] = Atari_SysMalloc (spec->size * 2, MX_STRAM); + 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"); + 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_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); + Mint_InitAudio(this, spec); return (1); /* We don't use SDL threaded audio */ }