sdl-ios-xcode: src/audio/mint/SDL_mintaudio

annotate src/audio/mint/SDL_mintaudio_xbios.c @ 4070:b8f2db95145e SDL-1.2

Patch from Christian Walther Yes, the idea to use a cursor rectangle instead of [NSCursor set] has occurred to me too, and it does seem to be the most elegant way. Here's my attempt at an implementation

author	Sam Lantinga <slouken@libsdl.org>
date	Sun, 15 Jul 2007 15:58:00 +0000
parents	e958a003b69b
children	a1b03ba2fcd0

rev	line source
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	1 /*
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	2 SDL - Simple DirectMedia Layer
769 b8d311d90021 Updated copyright information for 2004 (Happy New Year!) Sam Lantinga <slouken@libsdl.org> parents: 704 diff changeset	3 Copyright (C) 1997-2004 Sam Lantinga
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	4
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	5 This library is free software; you can redistribute it and/or
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	6 modify it under the terms of the GNU Library General Public
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	7 License as published by the Free Software Foundation; either
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	8 version 2 of the License, or (at your option) any later version.
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	9
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	10 This library is distributed in the hope that it will be useful,
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	11 but WITHOUT ANY WARRANTY; without even the implied warranty of
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	13 Library General Public License for more details.
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	14
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	15 You should have received a copy of the GNU Library General Public
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	16 License along with this library; if not, write to the Free
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	18
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	19 Sam Lantinga
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	20 slouken@libsdl.org
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	21 */
1402 d910939febfa Use consistent identifiers for the various platforms we support. Sam Lantinga <slouken@libsdl.org> parents: 1361 diff changeset	22 #include "SDL_config.h"
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	23
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	24 /*
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	25 MiNT audio driver
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	26 using XBIOS functions (Falcon)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	27
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	28 Patrice Mandin, Didier M�quignon
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	29 */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	30
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	31 #include <unistd.h>
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	32 #include <support.h>
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	33
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	34 /* Mint includes */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	35 #include <mint/osbind.h>
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	36 #include <mint/falcon.h>
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	37 #include <mint/cookie.h>
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	38
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	39 #include "SDL_audio.h"
1361 19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	40 #include "../SDL_audio_c.h"
19418e4422cb New configure-based build system. Still work in progress, but much improved Sam Lantinga <slouken@libsdl.org> parents: 1358 diff changeset	41 #include "../SDL_sysaudio.h"
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	42
1412 a8181c4040b8 Fixed include files Patrice Mandin <patmandin@gmail.com> parents: 1402 diff changeset	43 #include "../../video/ataricommon/SDL_atarimxalloc_c.h"
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	44
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	45 #include "SDL_mintaudio.h"
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	46 #include "SDL_mintaudio_dma8.h"
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	47
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	48 /--- Defines ---/
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	49
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	50 #define MINT_AUDIO_DRIVER_NAME "mint_xbios"
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	51
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	52 /* Debug print info */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	53 #define DEBUG_NAME "audio:xbios: "
962 176240cf4405 Forgot to disable debug messages Patrice Mandin <patmandin@gmail.com> parents: 961 diff changeset	54 #if 0
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	55 #define DEBUG_PRINT(what) \
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	56 { \
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	57 printf what; \
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	58 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	59 #else
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	60 #define DEBUG_PRINT(what)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	61 #endif
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	62
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	63 /--- Static variables ---/
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	64
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	65 static unsigned long cookie_snd;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	66
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	67 /--- Audio driver functions ---/
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	68
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	69 static void Mint_CloseAudio(_THIS);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	70 static int Mint_OpenAudio(_THIS, SDL_AudioSpec *spec);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	71 static void Mint_LockAudio(_THIS);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	72 static void Mint_UnlockAudio(_THIS);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	73
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	74 /* To check/init hardware audio */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	75 static int Mint_CheckAudio(_THIS, SDL_AudioSpec *spec);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	76 static void Mint_InitAudio(_THIS, SDL_AudioSpec *spec);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	77
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	78 /--- Audio driver bootstrap functions ---/
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	79
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	80 static int Audio_Available(void)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	81 {
1095 f10892fa2e48 XBIOS in interrupt not usable under MiNT Patrice Mandin <patmandin@gmail.com> parents: 962 diff changeset	82 unsigned long dummy;
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	83 const char *envr = SDL_getenv("SDL_AUDIODRIVER");
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	84
3856 492ff98822fd Disable MiNT thread usage and use hw access for updating DMA audio pointers Patrice Mandin <patmandin@gmail.com> parents: 3851 diff changeset	85 /SDL_MintAudio_mint_present = (Getcookie(C_MiNT, &dummy) == C_FOUND);/
492ff98822fd Disable MiNT thread usage and use hw access for updating DMA audio pointers Patrice Mandin <patmandin@gmail.com> parents: 3851 diff changeset	86 SDL_MintAudio_mint_present = SDL_FALSE;
1095 f10892fa2e48 XBIOS in interrupt not usable under MiNT Patrice Mandin <patmandin@gmail.com> parents: 962 diff changeset	87
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	88 /* We can't use XBIOS in interrupt with Magic, don't know about thread */
1106 524fd51f5d2c Disable XBIOS in interrupt also under Magic Patrice Mandin <patmandin@gmail.com> parents: 1100 diff changeset	89 if (Getcookie(C_MagX, &dummy) == C_FOUND) {
524fd51f5d2c Disable XBIOS in interrupt also under Magic Patrice Mandin <patmandin@gmail.com> parents: 1100 diff changeset	90 return(0);
524fd51f5d2c Disable XBIOS in interrupt also under Magic Patrice Mandin <patmandin@gmail.com> parents: 1100 diff changeset	91 }
524fd51f5d2c Disable XBIOS in interrupt also under Magic Patrice Mandin <patmandin@gmail.com> parents: 1100 diff changeset	92
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	93 /* Check if user asked a different audio driver */
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	94 if ((envr) && (SDL_strcmp(envr, MINT_AUDIO_DRIVER_NAME)!=0)) {
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	95 DEBUG_PRINT((DEBUG_NAME "user asked a different audio driver\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	96 return(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	97 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	98
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	99 /* Cookie _SND present ? if not, assume ST machine */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	100 if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	101 cookie_snd = SND_PSG;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	102 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	103
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	104 /* Check if we have 16 bits audio */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	105 if ((cookie_snd & SND_16BIT)==0) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	106 DEBUG_PRINT((DEBUG_NAME "no 16 bits sound\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	107 return(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	108 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	109
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	110 /* Check if audio is lockable */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	111 if (Locksnd()!=1) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	112 DEBUG_PRINT((DEBUG_NAME "audio locked by other application\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	113 return(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	114 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	115
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	116 Unlocksnd();
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	117
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	118 DEBUG_PRINT((DEBUG_NAME "XBIOS audio available!\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	119 return(1);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	120 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	121
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	122 static void Audio_DeleteDevice(SDL_AudioDevice *device)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	123 {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	124 SDL_free(device->hidden);
3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	125 SDL_free(device);
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	126 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	127
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	128 static SDL_AudioDevice *Audio_CreateDevice(int devindex)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	129 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	130 SDL_AudioDevice *this;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	131
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	132 /* Initialize all variables that we clean on shutdown */
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	133 this = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	134 if ( this ) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	135 SDL_memset(this, 0, (sizeof *this));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	136 this->hidden = (struct SDL_PrivateAudioData *)
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	137 SDL_malloc((sizeof *this->hidden));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	138 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	139 if ( (this == NULL) \|\| (this->hidden == NULL) ) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	140 SDL_OutOfMemory();
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	141 if ( this ) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	142 SDL_free(this);
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	143 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	144 return(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	145 }
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	146 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	147
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	148 /* Set the function pointers */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	149 this->OpenAudio = Mint_OpenAudio;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	150 this->CloseAudio = Mint_CloseAudio;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	151 this->LockAudio = Mint_LockAudio;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	152 this->UnlockAudio = Mint_UnlockAudio;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	153 this->free = Audio_DeleteDevice;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	154
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	155 return this;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	156 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	157
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	158 AudioBootStrap MINTAUDIO_XBIOS_bootstrap = {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	159 MINT_AUDIO_DRIVER_NAME, "MiNT XBIOS audio driver",
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	160 Audio_Available, Audio_CreateDevice
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	161 };
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	162
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	163 static void Mint_LockAudio(_THIS)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	164 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	165 /* Stop replay */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	166 Buffoper(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	167 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	168
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	169 static void Mint_UnlockAudio(_THIS)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	170 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	171 /* Restart replay */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	172 Buffoper(SB_PLA_ENA\|SB_PLA_RPT);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	173 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	174
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	175 static void Mint_CloseAudio(_THIS)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	176 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	177 /* Stop replay */
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	178 SDL_MintAudio_WaitThread();
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	179 Buffoper(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	180
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	181 if (!SDL_MintAudio_mint_present) {
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	182 /* Uninstall interrupt */
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	183 Jdisint(MFP_DMASOUND);
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	184 }
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	185
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	186 /* Wait if currently playing sound */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	187 while (SDL_MintAudio_mutex != 0) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	188 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	189
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	190 /* Clear buffers */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	191 if (SDL_MintAudio_audiobuf[0]) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	192 Mfree(SDL_MintAudio_audiobuf[0]);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	193 SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	194 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	195
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	196 /* Unlock sound system */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	197 Unlocksnd();
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	198 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	199
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	200 /* Falcon XBIOS implementation of Devconnect() is buggy with external clock */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	201 static void Devconnect2(int src, int dst, int sclk, int pre)
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	202 {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	203 static const unsigned short MASK1[3] = { 0, 0x6000, 0 };
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	204 static const unsigned short MASK2[4] = { 0xFFF0, 0xFF8F, 0xF0FF, 0x0FFF };
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	205 static const unsigned short INDEX1[4] = { 1, 3, 5, 7 };
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	206 static const unsigned short INDEX2[4] = { 0, 2, 4, 6 };
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	207 unsigned short sync_div,dev_ctrl,dest_ctrl;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	208 void *oldstack;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	209
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	210 if (dst==0) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	211 return;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	212 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	213
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	214 oldstack=(void *)Super(0);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	215
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	216 dev_ctrl = DMAAUDIO_IO.dev_ctrl;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	217 dest_ctrl = DMAAUDIO_IO.dest_ctrl;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	218 dev_ctrl &= MASK2[src];
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	219
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	220 if (src==ADC) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	221 dev_ctrl \|= MASK1[sclk];
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	222 } else {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	223 dev_ctrl \|= (INDEX1[sclk] << (src<<4));
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	224 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	225
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	226 if (dst & DMAREC) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	227 dest_ctrl &= 0xFFF0;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	228 dest_ctrl \|= INDEX1[src];
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	229 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	230
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	231 if (dst & DSPRECV) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	232 dest_ctrl &= 0xFF8F;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	233 dest_ctrl \|= (INDEX1[src]<<4);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	234 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	235
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	236 if (dst & EXTOUT) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	237 dest_ctrl &= 0xF0FF;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	238 dest_ctrl \|= (INDEX1[src]<<8);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	239 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	240
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	241 if (dst & DAC) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	242 dev_ctrl &= 0x0FFF;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	243 dev_ctrl \|= MASK1[sclk];
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	244 dest_ctrl &= 0x0FFF;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	245 dest_ctrl \|= (INDEX2[src]<<12);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	246 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	247
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	248 sync_div = DMAAUDIO_IO.sync_div;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	249 if (sclk==CLKEXT) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	250 pre<<=8;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	251 sync_div &= 0xF0FF;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	252 } else {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	253 sync_div &= 0xFFF0;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	254 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	255 sync_div \|= pre;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	256
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	257 DMAAUDIO_IO.dev_ctrl = dev_ctrl;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	258 DMAAUDIO_IO.dest_ctrl = dest_ctrl;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	259 DMAAUDIO_IO.sync_div = sync_div;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	260
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	261 Super(oldstack);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	262 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	263
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	264 static void Mint_CheckExternalClock(_THIS)
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	265 {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	266 #define SIZE_BUF_CLOCK_MEASURE (44100/10)
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	267
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	268 unsigned long cookie_snd;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	269 char *buffer;
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	270 int i, j;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	271
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	272 /* DSP present with its GPIO port ? */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	273 if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	274 return;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	275 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	276 if ((cookie_snd & SND_DSP)==0) {
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	277 return;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	278 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	279
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	280 buffer = Atari_SysMalloc(SIZE_BUF_CLOCK_MEASURE, MX_STRAM);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	281 if (buffer==NULL) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	282 DEBUG_PRINT((DEBUG_NAME "Not enough memory for the measure\n"));
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	283 return;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	284 }
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	285 SDL_memset(buffer, 0, SIZE_BUF_CLOCK_MEASURE);
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	286
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	287 Buffoper(0);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	288 Settracks(0,0);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	289 Setmontracks(0);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	290 Setmode(MONO8);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	291 Jdisint(MFP_TIMERA);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	292
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	293 for (i=0; i<2; i++) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	294 Gpio(GPIO_SET,7); /* DSP port gpio outputs */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	295 Gpio(GPIO_WRITE,2+i); /* 22.5792/24.576 MHz for 44.1/48KHz */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	296 Devconnect2(DMAPLAY, DAC, CLKEXT, CLK50K); /* Matrix and clock source */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	297 Setbuffer(0, buffer, buffer + SIZE_BUF_CLOCK_MEASURE); /* Set buffer */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	298 Xbtimer(XB_TIMERA, 5, 38, SDL_MintAudio_XbiosInterruptMeasureClock); /* delay mode timer A, prediv /64, 1KHz */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	299 Jenabint(MFP_TIMERA);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	300 SDL_MintAudio_clocktics = 0;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	301 Buffoper(SB_PLA_ENA);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	302 usleep(110000);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	303
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	304 if((Buffoper(-1) & 1)==0) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	305 if (SDL_MintAudio_clocktics) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	306 unsigned long khz;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	307
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	308 khz = ((SIZE_BUF_CLOCK_MEASURE/SDL_MintAudio_clocktics) +1) & 0xFFFFFFFE;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	309 DEBUG_PRINT((DEBUG_NAME "measure %d: freq=%lu KHz\n", i+1, khz));
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	310
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	311 if(khz==44) {
856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	312 for (j=1; j<4; j++) {
856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	313 SDL_MintAudio_AddFrequency(this, MASTERCLOCK_44K/(MASTERPREDIV_FALCON*(1<<j)), MASTERCLOCK_44K, (1<<j)-1, 2+i);
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	314 }
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	315 } else if (khz==48) {
856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	316 for (j=1; j<4; j++) {
856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	317 SDL_MintAudio_AddFrequency(this, MASTERCLOCK_48K/(MASTERPREDIV_FALCON*(1<<j)), MASTERCLOCK_48K, (1<<j)-1, 2+i);
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	318 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	319 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	320 } else {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	321 DEBUG_PRINT((DEBUG_NAME "No measure\n"));
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	322 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	323 } else {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	324 DEBUG_PRINT((DEBUG_NAME "No SDMA clock\n"));
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	325 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	326
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	327 Buffoper(0); /* stop */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	328 Jdisint(MFP_TIMERA); /* Uninstall interrupt */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	329 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	330
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	331 Mfree(buffer);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	332 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	333
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	334 static int Mint_CheckAudio(_THIS, SDL_AudioSpec *spec)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	335 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	336 int i;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	337 Uint32 extclock;
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	338
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	339 DEBUG_PRINT((DEBUG_NAME "asked: %d bits, ",spec->format & 0x00ff));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	340 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
704 c4803992e09c Small bugfixes Patrice Mandin <patmandin@gmail.com> parents: 644 diff changeset	341 DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	342 DEBUG_PRINT(("channels=%d, ", spec->channels));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	343 DEBUG_PRINT(("freq=%d\n", spec->freq));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	344
3851 405a192b68e7 Backport from 1.3: most of the audio drivers can now handle data Ryan C. Gordon <icculus@icculus.org> parents: 1412 diff changeset	345 if (spec->channels > 2) {
405a192b68e7 Backport from 1.3: most of the audio drivers can now handle data Ryan C. Gordon <icculus@icculus.org> parents: 1412 diff changeset	346 spec->channels = 2; /* no more than stereo! */
405a192b68e7 Backport from 1.3: most of the audio drivers can now handle data Ryan C. Gordon <icculus@icculus.org> parents: 1412 diff changeset	347 }
405a192b68e7 Backport from 1.3: most of the audio drivers can now handle data Ryan C. Gordon <icculus@icculus.org> parents: 1412 diff changeset	348
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	349 spec->format \|= 0x8000; /* Audio is always signed */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	350 if ((spec->format & 0x00ff)==16) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	351 spec->format \|= 0x1000; /* Audio is always big endian */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	352 spec->channels=2; /* 16 bits always stereo */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	353 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	354
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	355 MINTAUDIO_freqcount=0;
856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	356
856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	357 /* Add external clocks if present */
856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	358 Mint_CheckExternalClock(this);
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	359
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	360 /* Standard clocks */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	361 for (i=1;i<12;i++) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	362 /* Remove unusable Falcon codec predivisors */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	363 if ((i==6) \|\| (i==8) \|\| (i==10)) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	364 continue;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	365 }
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	366 SDL_MintAudio_AddFrequency(this, MASTERCLOCK_FALCON1/(MASTERPREDIV_FALCON*(i+1)), MASTERCLOCK_FALCON1, i, -1);
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	367 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	368
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	369 #if 1
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	370 for (i=0; i<MINTAUDIO_freqcount; i++) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	371 DEBUG_PRINT((DEBUG_NAME "freq %d: %lu Hz, clock %lu, prediv %d\n",
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	372 i, MINTAUDIO_frequencies[i].frequency, MINTAUDIO_frequencies[i].masterclock,
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	373 MINTAUDIO_frequencies[i].predivisor
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	374 ));
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	375 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	376 #endif
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	377
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	378 MINTAUDIO_numfreq=SDL_MintAudio_SearchFrequency(this, spec->freq);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	379 spec->freq=MINTAUDIO_frequencies[MINTAUDIO_numfreq].frequency;
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	380
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	381 DEBUG_PRINT((DEBUG_NAME "obtained: %d bits, ",spec->format & 0x00ff));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	382 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
704 c4803992e09c Small bugfixes Patrice Mandin <patmandin@gmail.com> parents: 644 diff changeset	383 DEBUG_PRINT(("big endian=%d, ", ((spec->format & 0x1000)!=0)));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	384 DEBUG_PRINT(("channels=%d, ", spec->channels));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	385 DEBUG_PRINT(("freq=%d\n", spec->freq));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	386
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	387 return 0;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	388 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	389
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	390 static void Mint_InitAudio(_THIS, SDL_AudioSpec *spec)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	391 {
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	392 int channels_mode, dmaclock, prediv;
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	393 void *buffer;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	394
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	395 /* Stop currently playing sound */
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	396 SDL_MintAudio_quit_thread = SDL_FALSE;
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	397 SDL_MintAudio_thread_finished = SDL_TRUE;
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	398 SDL_MintAudio_WaitThread();
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	399 Buffoper(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	400
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	401 /* Set replay tracks */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	402 Settracks(0,0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	403 Setmontracks(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	404
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	405 /* Select replay format */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	406 channels_mode=STEREO16;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	407 switch (spec->format & 0xff) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	408 case 8:
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	409 if (spec->channels==2) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	410 channels_mode=STEREO8;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	411 } else {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	412 channels_mode=MONO8;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	413 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	414 break;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	415 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	416 if (Setmode(channels_mode)<0) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	417 DEBUG_PRINT((DEBUG_NAME "Setmode() failed\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	418 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	419
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	420 dmaclock = MINTAUDIO_frequencies[MINTAUDIO_numfreq].masterclock;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	421 prediv = MINTAUDIO_frequencies[MINTAUDIO_numfreq].predivisor;
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	422 if (MINTAUDIO_frequencies[MINTAUDIO_numfreq].gpio_bits != -1) {
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	423 Gpio(GPIO_SET,7); /* DSP port gpio outputs */
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	424 Gpio(GPIO_WRITE, MINTAUDIO_frequencies[MINTAUDIO_numfreq].gpio_bits);
856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	425 Devconnect2(DMAPLAY, DAC\|EXTOUT, CLKEXT, prediv);
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	426 } else {
1100 76459577e620 Checking external clock on DSP port was leaving audio crossbar in limbo state Patrice Mandin <patmandin@gmail.com> parents: 1095 diff changeset	427 Devconnect2(DMAPLAY, DAC, CLK25M, prediv);
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	428 }
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	429
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	430 /* Set buffer */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	431 buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf];
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	432 if (Setbuffer(0, buffer, buffer + spec->size)<0) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	433 DEBUG_PRINT((DEBUG_NAME "Setbuffer() failed\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	434 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	435
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	436 if (SDL_MintAudio_mint_present) {
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	437 SDL_MintAudio_thread_pid = tfork(SDL_MintAudio_Thread, 0);
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	438 } else {
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	439 /* Install interrupt */
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	440 Jdisint(MFP_DMASOUND);
3856 492ff98822fd Disable MiNT thread usage and use hw access for updating DMA audio pointers Patrice Mandin <patmandin@gmail.com> parents: 3851 diff changeset	441 /Xbtimer(XB_TIMERA, 8, 1, SDL_MintAudio_XbiosInterrupt);/
492ff98822fd Disable MiNT thread usage and use hw access for updating DMA audio pointers Patrice Mandin <patmandin@gmail.com> parents: 3851 diff changeset	442 Xbtimer(XB_TIMERA, 8, 1, SDL_MintAudio_Dma8Interrupt);
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	443 Jenabint(MFP_DMASOUND);
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	444
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	445 if (Setinterrupt(SI_TIMERA, SI_PLAY)<0) {
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	446 DEBUG_PRINT((DEBUG_NAME "Setinterrupt() failed\n"));
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	447 }
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	448 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	449
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	450 /* Go */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	451 Buffoper(SB_PLA_ENA\|SB_PLA_RPT);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	452 DEBUG_PRINT((DEBUG_NAME "hardware initialized\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	453 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	454
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	455 static int Mint_OpenAudio(_THIS, SDL_AudioSpec *spec)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	456 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	457 /* Lock sound system */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	458 if (Locksnd()!=1) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	459 SDL_SetError("Mint_OpenAudio: Audio system already in use");
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	460 return(-1);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	461 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	462
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	463 SDL_MintAudio_device = this;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	464
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	465 /* Check audio capabilities */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	466 if (Mint_CheckAudio(this, spec)==-1) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	467 return -1;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	468 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	469
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	470 SDL_CalculateAudioSpec(spec);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	471
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	472 /* Allocate memory for audio buffers in DMA-able RAM */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	473 DEBUG_PRINT((DEBUG_NAME "buffer size=%d\n", spec->size));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	474
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	475 SDL_MintAudio_audiobuf[0] = Atari_SysMalloc(spec->size *2, MX_STRAM);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	476 if (SDL_MintAudio_audiobuf[0]==NULL) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	477 SDL_SetError("MINT_OpenAudio: Not enough memory for audio buffer");
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	478 return (-1);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	479 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	480 SDL_MintAudio_audiobuf[1] = SDL_MintAudio_audiobuf[0] + spec->size ;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	481 SDL_MintAudio_numbuf=0;
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	482 SDL_memset(SDL_MintAudio_audiobuf[0], spec->silence, spec->size *2);
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	483 SDL_MintAudio_audiosize = spec->size;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	484 SDL_MintAudio_mutex = 0;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	485
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	486 DEBUG_PRINT((DEBUG_NAME "buffer 0 at 0x%08x\n", SDL_MintAudio_audiobuf[0]));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	487 DEBUG_PRINT((DEBUG_NAME "buffer 1 at 0x%08x\n", SDL_MintAudio_audiobuf[1]));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	488
3865 e958a003b69b Add function to check FPU presence Patrice Mandin <patmandin@gmail.com> parents: 3856 diff changeset	489 SDL_MintAudio_CheckFpu();
e958a003b69b Add function to check FPU presence Patrice Mandin <patmandin@gmail.com> parents: 3856 diff changeset	490
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	491 /* Setup audio hardware */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	492 Mint_InitAudio(this, spec);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	493
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	494 return(1); /* We don't use SDL threaded audio */
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	495 }

Mercurial > sdl-ios-xcode

annotate src/audio/mint/SDL_mintaudio_xbios.c @ 4070:b8f2db95145e SDL-1.2