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

annotate src/audio/mint/SDL_mintaudio_xbios.c @ 1768:814f9f2c7a33

Fixed bug #80 Date: 21 Apr 2003 17:20:20 +0100 From: Alan Swanson <swanson@uklinux.net> Subject: [SDL] New XFree 4.3 Video Mode Patch If you look at the unsorted list of modes returned by X, here's mine; 1280 x 1024 @ 85.0 > 1024 x 768 @ 100.3 > USER 800 x 600 @ 125.5 > SET 640 x 480 @ 124.9 > 1280 x 1024 @ 75.0 ] 1280 x 1024 @ 60.0 ] 1280 x 960 @ 85.0 ] X11 1280 x 960 @ 60.0 ] AUTO 1152 x 864 @ 75.0 ]=20 1152 x 768 @ 54.8 ] 960 x 720 @ 120.0 ] ... 640 x 400 @ 85.1 ] 256k 576 x 432 @ 150.0 ] 249k PIXEL 640 x 350 @ 85.1 ] 224k COUNT 576 x 384 @ 109.6 ] 221k ... The user set modes come first followed by X set modes which are ordered by decreasing number of pixels and refresh. The reason why every other library or program not using SDL working is due to SDL scanning the modes in reverse getting X11 provided modes modes with the lowest refresh.

author	Sam Lantinga <slouken@libsdl.org>
date	Fri, 05 May 2006 05:50:26 +0000
parents	a8181c4040b8
children	782fd950bd46 c121d94672cb 405a192b68e7

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
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	85 SDL_MintAudio_mint_present = (Getcookie(C_MiNT, &dummy) == C_FOUND);
1095 f10892fa2e48 XBIOS in interrupt not usable under MiNT Patrice Mandin <patmandin@gmail.com> parents: 962 diff changeset	86
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	87 /* 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	88 if (Getcookie(C_MagX, &dummy) == C_FOUND) {
524fd51f5d2c Disable XBIOS in interrupt also under Magic Patrice Mandin <patmandin@gmail.com> parents: 1100 diff changeset	89 return(0);
524fd51f5d2c Disable XBIOS in interrupt also under Magic Patrice Mandin <patmandin@gmail.com> parents: 1100 diff changeset	90 }
524fd51f5d2c Disable XBIOS in interrupt also under Magic Patrice Mandin <patmandin@gmail.com> parents: 1100 diff changeset	91
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	92 /* 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	93 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	94 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	95 return(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	96 }
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 /* Cookie _SND present ? if not, assume ST machine */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	99 if (Getcookie(C__SND, &cookie_snd) == C_NOTFOUND) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	100 cookie_snd = SND_PSG;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	101 }
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 /* Check if we have 16 bits audio */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	104 if ((cookie_snd & SND_16BIT)==0) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	105 DEBUG_PRINT((DEBUG_NAME "no 16 bits sound\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	106 return(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	107 }
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 /* Check if audio is lockable */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	110 if (Locksnd()!=1) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	111 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	112 return(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	113 }
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 Unlocksnd();
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	116
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	117 DEBUG_PRINT((DEBUG_NAME "XBIOS audio available!\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	118 return(1);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	119 }
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 static void Audio_DeleteDevice(SDL_AudioDevice *device)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	122 {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	123 SDL_free(device->hidden);
3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	124 SDL_free(device);
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	125 }
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 static SDL_AudioDevice *Audio_CreateDevice(int devindex)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	128 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	129 SDL_AudioDevice *this;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	130
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	131 /* 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	132 this = (SDL_AudioDevice *)SDL_malloc(sizeof(SDL_AudioDevice));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	133 if ( this ) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	134 SDL_memset(this, 0, (sizeof *this));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	135 this->hidden = (struct SDL_PrivateAudioData *)
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	136 SDL_malloc((sizeof *this->hidden));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	137 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	138 if ( (this == NULL) \|\| (this->hidden == NULL) ) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	139 SDL_OutOfMemory();
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	140 if ( this ) {
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	141 SDL_free(this);
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	142 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	143 return(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	144 }
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	145 SDL_memset(this->hidden, 0, (sizeof *this->hidden));
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	146
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	147 /* Set the function pointers */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	148 this->OpenAudio = Mint_OpenAudio;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	149 this->CloseAudio = Mint_CloseAudio;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	150 this->LockAudio = Mint_LockAudio;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	151 this->UnlockAudio = Mint_UnlockAudio;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	152 this->free = Audio_DeleteDevice;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	153
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	154 return this;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	155 }
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 AudioBootStrap MINTAUDIO_XBIOS_bootstrap = {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	158 MINT_AUDIO_DRIVER_NAME, "MiNT XBIOS audio driver",
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	159 Audio_Available, Audio_CreateDevice
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	160 };
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 static void Mint_LockAudio(_THIS)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	163 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	164 /* Stop replay */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	165 Buffoper(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	166 }
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 static void Mint_UnlockAudio(_THIS)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	169 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	170 /* Restart replay */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	171 Buffoper(SB_PLA_ENA\|SB_PLA_RPT);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	172 }
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 static void Mint_CloseAudio(_THIS)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	175 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	176 /* 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	177 SDL_MintAudio_WaitThread();
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	178 Buffoper(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	179
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	180 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	181 /* Uninstall interrupt */
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	182 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	183 }
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	184
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	185 /* Wait if currently playing sound */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	186 while (SDL_MintAudio_mutex != 0) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	187 }
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 /* Clear buffers */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	190 if (SDL_MintAudio_audiobuf[0]) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	191 Mfree(SDL_MintAudio_audiobuf[0]);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	192 SDL_MintAudio_audiobuf[0] = SDL_MintAudio_audiobuf[1] = NULL;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	193 }
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 /* Unlock sound system */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	196 Unlocksnd();
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	197 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	198
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	199 /* 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	200 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	201 {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	202 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	203 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	204 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	205 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	206 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	207 void *oldstack;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	208
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	209 if (dst==0) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	210 return;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	211 }
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 oldstack=(void *)Super(0);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	214
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	215 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	216 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	217 dev_ctrl &= MASK2[src];
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	218
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	219 if (src==ADC) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	220 dev_ctrl \|= MASK1[sclk];
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	221 } else {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	222 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	223 }
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 if (dst & DMAREC) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	226 dest_ctrl &= 0xFFF0;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	227 dest_ctrl \|= INDEX1[src];
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	228 }
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 if (dst & DSPRECV) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	231 dest_ctrl &= 0xFF8F;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	232 dest_ctrl \|= (INDEX1[src]<<4);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	233 }
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 if (dst & EXTOUT) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	236 dest_ctrl &= 0xF0FF;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	237 dest_ctrl \|= (INDEX1[src]<<8);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	238 }
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 if (dst & DAC) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	241 dev_ctrl &= 0x0FFF;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	242 dev_ctrl \|= MASK1[sclk];
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	243 dest_ctrl &= 0x0FFF;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	244 dest_ctrl \|= (INDEX2[src]<<12);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	245 }
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 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	248 if (sclk==CLKEXT) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	249 pre<<=8;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	250 sync_div &= 0xF0FF;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	251 } else {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	252 sync_div &= 0xFFF0;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	253 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	254 sync_div \|= pre;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	255
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	256 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	257 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	258 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	259
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	260 Super(oldstack);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	261 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	262
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	263 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	264 {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	265 #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	266
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	267 unsigned long cookie_snd;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	268 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	269 int i, j;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	270
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	271 /* 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	272 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	273 return;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	274 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	275 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	276 return;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	277 }
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 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	280 if (buffer==NULL) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	281 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	282 return;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	283 }
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	284 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	285
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	286 Buffoper(0);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	287 Settracks(0,0);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	288 Setmontracks(0);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	289 Setmode(MONO8);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	290 Jdisint(MFP_TIMERA);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	291
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	292 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	293 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	294 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	295 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	296 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	297 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	298 Jenabint(MFP_TIMERA);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	299 SDL_MintAudio_clocktics = 0;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	300 Buffoper(SB_PLA_ENA);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	301 usleep(110000);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	302
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	303 if((Buffoper(-1) & 1)==0) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	304 if (SDL_MintAudio_clocktics) {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	305 unsigned long khz;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	306
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	307 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	308 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	309
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	310 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	311 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	312 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	313 }
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	314 } 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	315 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	316 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	317 }
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 } else {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	320 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	321 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	322 } else {
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	323 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	324 }
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 Buffoper(0); /* stop */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	327 Jdisint(MFP_TIMERA); /* Uninstall interrupt */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	328 }
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 Mfree(buffer);
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	331 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	332
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	333 static int Mint_CheckAudio(_THIS, SDL_AudioSpec *spec)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	334 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	335 int i;
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	336 Uint32 extclock;
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	337
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	338 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	339 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
704 c4803992e09c Small bugfixes Patrice Mandin <patmandin@gmail.com> parents: 644 diff changeset	340 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	341 DEBUG_PRINT(("channels=%d, ", spec->channels));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	342 DEBUG_PRINT(("freq=%d\n", spec->freq));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	343
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	344 spec->format \|= 0x8000; /* Audio is always signed */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	345 if ((spec->format & 0x00ff)==16) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	346 spec->format \|= 0x1000; /* Audio is always big endian */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	347 spec->channels=2; /* 16 bits always stereo */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	348 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	349
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	350 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	351
856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	352 /* 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	353 Mint_CheckExternalClock(this);
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	354
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	355 /* Standard clocks */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	356 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	357 /* Remove unusable Falcon codec predivisors */
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	358 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	359 continue;
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	360 }
1107 856f76a099c7 Can use both clocks of FDI interface on Falcon, plus digital output Patrice Mandin <patmandin@gmail.com> parents: 1106 diff changeset	361 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	362 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	363
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	364 #if 1
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	365 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	366 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	367 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	368 MINTAUDIO_frequencies[i].predivisor
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	369 ));
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	370 }
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	371 #endif
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	372
185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	373 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	374 spec->freq=MINTAUDIO_frequencies[MINTAUDIO_numfreq].frequency;
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	375
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	376 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	377 DEBUG_PRINT(("signed=%d, ", ((spec->format & 0x8000)!=0)));
704 c4803992e09c Small bugfixes Patrice Mandin <patmandin@gmail.com> parents: 644 diff changeset	378 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	379 DEBUG_PRINT(("channels=%d, ", spec->channels));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	380 DEBUG_PRINT(("freq=%d\n", spec->freq));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	381
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	382 return 0;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	383 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	384
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	385 static void Mint_InitAudio(_THIS, SDL_AudioSpec *spec)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	386 {
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	387 int channels_mode, dmaclock, prediv;
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	388 void *buffer;
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 /* 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	391 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	392 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	393 SDL_MintAudio_WaitThread();
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	394 Buffoper(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	395
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	396 /* Set replay tracks */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	397 Settracks(0,0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	398 Setmontracks(0);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	399
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	400 /* Select replay format */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	401 channels_mode=STEREO16;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	402 switch (spec->format & 0xff) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	403 case 8:
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	404 if (spec->channels==2) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	405 channels_mode=STEREO8;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	406 } else {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	407 channels_mode=MONO8;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	408 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	409 break;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	410 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	411 if (Setmode(channels_mode)<0) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	412 DEBUG_PRINT((DEBUG_NAME "Setmode() failed\n"));
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
961 185acc07127a Date: Fri, 29 Oct 2004 11:47:09 +0200 Patrice Mandin <patmandin@gmail.com> parents: 769 diff changeset	415 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	416 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	417 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	418 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	419 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	420 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	421 } 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	422 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	423 }
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	424
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	425 /* Set buffer */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	426 buffer = SDL_MintAudio_audiobuf[SDL_MintAudio_numbuf];
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	427 if (Setbuffer(0, buffer, buffer + spec->size)<0) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	428 DEBUG_PRINT((DEBUG_NAME "Setbuffer() failed\n"));
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
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	431 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	432 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	433 } else {
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	434 /* Install interrupt */
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	435 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	436 Xbtimer(XB_TIMERA, 8, 1, SDL_MintAudio_XbiosInterrupt);
12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	437 Jenabint(MFP_DMASOUND);
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	438
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	439 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	440 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	441 }
644 594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	442 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	443
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	444 /* Go */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	445 Buffoper(SB_PLA_ENA\|SB_PLA_RPT);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	446 DEBUG_PRINT((DEBUG_NAME "hardware initialized\n"));
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	447 }
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 static int Mint_OpenAudio(_THIS, SDL_AudioSpec *spec)
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	450 {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	451 /* Lock sound system */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	452 if (Locksnd()!=1) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	453 SDL_SetError("Mint_OpenAudio: Audio system already in use");
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	454 return(-1);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	455 }
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 SDL_MintAudio_device = this;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	458
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	459 /* Check audio capabilities */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	460 if (Mint_CheckAudio(this, spec)==-1) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	461 return -1;
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
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	464 SDL_CalculateAudioSpec(spec);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	465
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	466 /* Allocate memory for audio buffers in DMA-able RAM */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	467 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	468
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	469 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	470 if (SDL_MintAudio_audiobuf[0]==NULL) {
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	471 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	472 return (-1);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	473 }
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	474 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	475 SDL_MintAudio_numbuf=0;
1336 3692456e7b0f Use SDL_ prefixed versions of C library functions. Sam Lantinga <slouken@libsdl.org> parents: 1111 diff changeset	476 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	477 SDL_MintAudio_audiosize = spec->size;
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	478 SDL_MintAudio_mutex = 0;
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 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	481 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	482
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	483 /* Setup audio hardware */
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	484 Mint_InitAudio(this, spec);
594422ab8f9f Atari MiNT: added more audio drivers Patrice Mandin <patmandin@gmail.com> parents: diff changeset	485
1111 12c49532be00 Use MiNT thread to update DMA pointers instead of unusable MFP interrupt Patrice Mandin <patmandin@gmail.com> parents: 1107 diff changeset	486 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	487 }

Mercurial > sdl-ios-xcode

annotate src/audio/mint/SDL_mintaudio_xbios.c @ 1768:814f9f2c7a33