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author | jmg <jmg@FreeBSD.org> | 1998-01-08 22:17:17 +0000 |
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committer | jmg <jmg@FreeBSD.org> | 1998-01-08 22:17:17 +0000 |
commit | ac5240c506c9b57b55faa70a4ae4411a4fce5c79 (patch) | |
tree | f801bdc8cefd772ef2e0c2a8acc9b3dd1b2d56e8 /sys/gnu | |
parent | 7ebcb78d090480633c26a30ab2c4b6eb7ea05b0c (diff) | |
parent | 31528ddcdde248c2b03eda4e7c2cd08ba0c92cd8 (diff) | |
download | FreeBSD-src-ac5240c506c9b57b55faa70a4ae4411a4fce5c79.zip FreeBSD-src-ac5240c506c9b57b55faa70a4ae4411a4fce5c79.tar.gz |
This commit was generated by cvs2svn to compensate for changes in r32345,
which included commits to RCS files with non-trunk default branches.
Diffstat (limited to 'sys/gnu')
-rw-r--r-- | sys/gnu/i386/isa/sound/awe_compat.h | 190 | ||||
-rw-r--r-- | sys/gnu/i386/isa/sound/awe_config.h | 145 | ||||
-rw-r--r-- | sys/gnu/i386/isa/sound/awe_hw.h | 100 | ||||
-rw-r--r-- | sys/gnu/i386/isa/sound/awe_version.h | 12 | ||||
-rw-r--r-- | sys/gnu/i386/isa/sound/awe_voice.h | 490 | ||||
-rw-r--r-- | sys/gnu/i386/isa/sound/awe_wave.c | 4551 |
6 files changed, 5488 insertions, 0 deletions
diff --git a/sys/gnu/i386/isa/sound/awe_compat.h b/sys/gnu/i386/isa/sound/awe_compat.h new file mode 100644 index 0000000..d0c34a1 --- /dev/null +++ b/sys/gnu/i386/isa/sound/awe_compat.h @@ -0,0 +1,190 @@ +/*---------------------------------------------------------------- + * compatibility macros for AWE32 driver + *----------------------------------------------------------------*/ + +/* redefine following macros */ +#undef IOCTL_IN +#undef IOCTL_OUT +#undef OUTW +#undef COPY_FROM_USER +#undef COPY_TO_USER +#undef GET_BYTE_FROM_USER +#undef GET_SHORT_FROM_USER +#undef IOCTL_TO_USER + +#ifdef linux + +/*================================================================ + * Linux macros + *================================================================*/ + +/* use inline prefix */ +#define INLINE inline + +/*---------------------------------------------------------------- + * memory management for linux + *----------------------------------------------------------------*/ + +#ifdef AWE_OBSOLETE_VOXWARE +/* old type linux system */ + +/* i/o requests; nothing */ +#define awe_check_port() 0 /* always false */ +#define awe_request_region() /* nothing */ +#define awe_release_region() /* nothing */ + +static int _mem_start; /* memory pointer for permanent buffers */ + +#define my_malloc_init(memptr) _mem_start = (memptr) +#define my_malloc_memptr() _mem_start +#define my_free(ptr) /* do nothing */ +#define my_realloc(buf,oldsize,size) NULL /* no realloc */ + +static void *my_malloc(int size) +{ + char *ptr; + PERMANENT_MALLOC(ptr, char*, size, _mem_start); + return (void*)ptr; +} + +/* allocate buffer only once */ +#define INIT_TABLE(buffer,index,nums,type) {\ +buffer = my_malloc(sizeof(type) * (nums)); index = (nums);\ +} + +#else + +#define AWE_DYNAMIC_BUFFER + +#define my_malloc_init(ptr) /* nothing */ +#define my_malloc_memptr() 0 +#define my_malloc(size) vmalloc(size) +#define my_free(ptr) if (ptr) {vfree(ptr);} + +static void *my_realloc(void *buf, int oldsize, int size) +{ + void *ptr; + if ((ptr = vmalloc(size)) == NULL) + return NULL; + memcpy(ptr, buf, ((oldsize < size) ? oldsize : size) ); + vfree(buf); + return ptr; +} + +/* do not allocate buffer at beginning */ +#define INIT_TABLE(buffer,index,nums,type) {buffer=NULL; index=0;} + +/* old type macro */ +#define RET_ERROR(err) -err + +#endif + +/*---------------------------------------------------------------- + * i/o interfaces for linux + *----------------------------------------------------------------*/ + +#define OUTW(data,addr) outw(data, addr) + +#ifdef AWE_NEW_KERNEL_INTERFACE +#define COPY_FROM_USER(target,source,offs,count) \ + copy_from_user(target, (source)+(offs), count) +#define GET_BYTE_FROM_USER(target,addr,offs) \ + get_user(target, (unsigned char*)&((addr)[offs])) +#define GET_SHORT_FROM_USER(target,addr,offs) \ + get_user(target, (unsigned short*)&((addr)[offs])) +#ifdef AWE_OSS38 +#define IOCTL_TO_USER(target,offs,source,count) \ + memcpy(target, (source)+(offs), count) +#define IO_WRITE_CHECK(cmd) (_SIOC_DIR(cmd) & _IOC_WRITE) +#else +#define IOCTL_TO_USER(target,offs,source,count) \ + copy_to_user(target, (source)+(offs), count) +#define IO_WRITE_CHECK(cmd) (_IOC_DIR(cmd) & _IOC_WRITE) +#endif /* AWE_OSS38 */ +#define COPY_TO_USER IOCTL_TO_USER +#define IOCTL_IN(arg) (*(int*)(arg)) +#define IOCTL_OUT(arg,val) (*(int*)(arg) = (val)) + +#else /* old type i/o */ +#define COPY_FROM_USER(target,source,offs,count) \ + memcpy_fromfs(target, (source)+(offs), (count)) +#define GET_BYTE_FROM_USER(target,addr,offs) \ + *((char *)&(target)) = get_fs_byte((addr)+(offs)) +#define GET_SHORT_FROM_USER(target,addr,offs) \ + *((short *)&(target)) = get_fs_word((addr)+(offs)) +#define IOCTL_TO_USER(target,offs,source,count) \ + memcpy_tofs(target, (source)+(offs), (count)) +#define COPY_TO_USER IOCTL_TO_USER +#define IO_WRITE_CHECK(cmd) (cmd & IOC_IN) +#define IOCTL_IN(arg) get_fs_long((long *)(arg)) +#define IOCTL_OUT(arg,ret) snd_ioctl_return((int *)arg, ret) + +#endif /* AWE_NEW_KERNEL_INTERFACE */ + +#define BZERO(target,len) memset(target, 0, len) +#define MEMCPY(dst,src,len) memcpy(dst, src, len) + + +#elif defined(__FreeBSD__) + +/*================================================================ + * FreeBSD macros + *================================================================*/ + +/* inline is not checked yet.. maybe it'll work */ +#define INLINE /*inline*/ + +/*---------------------------------------------------------------- + * memory management for freebsd + *----------------------------------------------------------------*/ + +/* i/o requests; nothing */ +#define awe_check_port() 0 /* always false */ +#define awe_request_region() /* nothing */ +#define awe_release_region() /* nothing */ + +#define AWE_DYNAMIC_BUFFER + +#define my_malloc_init(ptr) /* nothing */ +#define my_malloc_memptr() 0 +#define my_malloc(size) malloc(size, M_TEMP, M_WAITOK) +#define my_free(ptr) if (ptr) {free(ptr, M_TEMP);} + +#define INIT_TABLE(buffer,index,nums,type) {buffer=NULL; index=0;} + +/* it should be realloc? */ +static void *my_realloc(void *buf, int oldsize, int size) +{ + void *ptr; + if ((ptr = my_malloc(size)) == NULL) + return NULL; + memcpy(ptr, buf, ((oldsize < size) ? oldsize : size) ); + my_free(buf); + return ptr; +} + +/*---------------------------------------------------------------- + * i/o interfaces for freebsd + *----------------------------------------------------------------*/ + +/* according to linux rule; the arguments are swapped */ +#define OUTW(data,addr) outw(addr, data) + +#define COPY_FROM_USER(target,source,offs,count) \ + uiomove(((caddr_t)(target)),(count),((struct uio *)(source))) +#define COPY_TO_USER(target,source,offs,count) \ + uiomove(((caddr_t)(source)),(count),((struct uio *)(target))) +#define GET_BYTE_FROM_USER(target,addr,offs) \ + uiomove(((char*)&(target)), 1, ((struct uio *)(addr))) +#define GET_SHORT_FROM_USER(target,addr,offs) \ + uiomove(((char*)&(target)), 2, ((struct uio *)(addr))) +#define IOCTL_TO_USER(target,offs,source,count) \ + memcpy(&((target)[offs]), (source), (count)) +#define IO_WRITE_CHECK(cmd) (cmd & IOC_IN) +#define IOCTL_IN(arg) (*(int*)(arg)) +#define IOCTL_OUT(arg,val) (*(int*)(arg) = (val)) +#define BZERO(target,len) bzero((caddr_t)target, len) +#define MEMCPY(dst,src,len) bcopy((caddr_t)src, (caddr_t)dst, len) + +#endif + diff --git a/sys/gnu/i386/isa/sound/awe_config.h b/sys/gnu/i386/isa/sound/awe_config.h new file mode 100644 index 0000000..48dc8f8 --- /dev/null +++ b/sys/gnu/i386/isa/sound/awe_config.h @@ -0,0 +1,145 @@ +/* + * sound/awe_config.h + * + * Configuration of AWE32 sound driver + * version 0.4.2; Sep. 15, 1997 + * + * Copyright (C) 1996 Takashi Iwai + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef AWE_CONFIG_H_DEF +#define AWE_CONFIG_H_DEF + +/*---------------------------------------------------------------- + * system configuration + *----------------------------------------------------------------*/ + +/* if you're using obsolete VoxWare 3.0.x on Linux 1.2.x (or FreeBSD), + * define the following line. + */ +#undef AWE_OBSOLETE_VOXWARE + +#ifdef __FreeBSD__ +# define AWE_OBSOLETE_VOXWARE +#endif + +/* if you're using OSS-Lite on Linux 2.1.6 or later, define the + * following line. + */ +#undef AWE_NEW_KERNEL_INTERFACE + +/* if you have lowlevel.h in the lowlevel directory (OSS-Lite), define + * the following line. + */ +#undef HAS_LOWLEVEL_H + +/* if your system doesn't support patch manager (OSS 3.7 or newer), + * define the following line. + */ +#undef AWE_NO_PATCHMGR + +/* if your system has an additional parameter (OSS 3.8b5 or newer), + * define this. + */ +#undef AWE_OSS38 + +/*---------------------------------------------------------------- + * AWE32 card configuration: + * uncomment the following lines only when auto detection doesn't + * work properly on your machine. + *----------------------------------------------------------------*/ + +/*#define AWE_DEFAULT_BASE_ADDR 0x620*/ /* base port address */ +/*#define AWE_DEFAULT_MEM_SIZE 512*/ /* kbytes */ + + +/*---------------------------------------------------------------- + * maximum size of soundfont list table: + * you usually don't need to touch this value. + *----------------------------------------------------------------*/ + +#define AWE_MAX_SF_LISTS 16 + + +/*---------------------------------------------------------------- + * chunk size of sample and voice tables: + * you usually don't need to touch these values. + *----------------------------------------------------------------*/ + +#define AWE_MAX_SAMPLES 400 +#define AWE_MAX_INFOS 800 + + +/*---------------------------------------------------------------- + * chorus & reverb effects send for FM chip: from 0 to 0xff + * larger numbers often cause weird sounds. + *----------------------------------------------------------------*/ + +#define DEF_FM_CHORUS_DEPTH 0x10 +#define DEF_FM_REVERB_DEPTH 0x10 + + +/*----------------------------------------------------------------* + * other compile conditions + *----------------------------------------------------------------*/ + +/* initialize FM passthrough even without extended RAM */ +#undef AWE_ALWAYS_INIT_FM + +/* debug on */ +#define AWE_DEBUG_ON + +/* GUS compatible mode */ +#define AWE_HAS_GUS_COMPATIBILITY + +/* accept all notes/sounds off controls */ +#define AWE_ACCEPT_ALL_SOUNDS_CONTROL + +/* add mixer control of emu8000 equalizer */ +#define CONFIG_AWE32_MIXER + +/* look up voices according to MIDI channel priority */ +#define AWE_LOOKUP_MIDI_PRIORITY + +/*----------------------------------------------------------------*/ + +/* reading configuration of sound driver */ + +#ifdef AWE_OBSOLETE_VOXWARE + +#ifdef __FreeBSD__ +# include <i386/isa/sound/sound_config.h> +#else +# include "sound_config.h" +#endif + +#if defined(CONFIGURE_SOUNDCARD) && !defined(EXCLUDE_AWE32) +#define CONFIG_AWE32_SYNTH +#endif + +#else /* AWE_OBSOLETE_VOXWARE */ + +#ifdef HAS_LOWLEVEL_H +#include "lowlevel.h" +#endif + +#include "../sound_config.h" + +#endif /* AWE_OBSOLETE_VOXWARE */ + + +#endif /* AWE_CONFIG_H_DEF */ diff --git a/sys/gnu/i386/isa/sound/awe_hw.h b/sys/gnu/i386/isa/sound/awe_hw.h new file mode 100644 index 0000000..7d0d88e --- /dev/null +++ b/sys/gnu/i386/isa/sound/awe_hw.h @@ -0,0 +1,100 @@ +/* + * sound/awe_hw.h + * + * Access routines and definitions for the low level driver for the + * AWE32/Sound Blaster 32 wave table synth. + * version 0.4.2; Sep. 15, 1997 + * + * Copyright (C) 1996,1997 Takashi Iwai + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef AWE_HW_H_DEF +#define AWE_HW_H_DEF + +/* + * Emu-8000 control registers + * name(channel) reg, port + */ + +#define awe_cmd_idx(reg,ch) (((reg)<< 5) | (ch)) + +#define Data0 0x620 /* doubleword r/w */ +#define Data1 0xA20 /* doubleword r/w */ +#define Data2 0xA22 /* word r/w */ +#define Data3 0xE20 /* word r/w */ +#define Pointer 0xE22 /* register pointer r/w */ + +#define AWE_CPF(ch) awe_cmd_idx(0,ch), Data0 /* DW: current pitch and fractional address */ +#define AWE_PTRX(ch) awe_cmd_idx(1,ch), Data0 /* DW: pitch target and reverb send */ +#define AWE_CVCF(ch) awe_cmd_idx(2,ch), Data0 /* DW: current volume and filter cutoff */ +#define AWE_VTFT(ch) awe_cmd_idx(3,ch), Data0 /* DW: volume and filter cutoff targets */ +#define AWE_PSST(ch) awe_cmd_idx(6,ch), Data0 /* DW: pan send and loop start address */ +#define AWE_CSL(ch) awe_cmd_idx(7,ch), Data0 /* DW: chorus send and loop end address */ +#define AWE_CCCA(ch) awe_cmd_idx(0,ch), Data1 /* DW: Q, control bits, and current address */ +#define AWE_HWCF4 awe_cmd_idx(1,9), Data1 /* DW: config dw 4 */ +#define AWE_HWCF5 awe_cmd_idx(1,10), Data1 /* DW: config dw 5 */ +#define AWE_HWCF6 awe_cmd_idx(1,13), Data1 /* DW: config dw 6 */ +#define AWE_HWCF7 awe_cmd_idx(1,14), Data1 /* DW: config dw 7? (not documented) */ +#define AWE_SMALR awe_cmd_idx(1,20), Data1 /* DW: sound memory address for left read */ +#define AWE_SMARR awe_cmd_idx(1,21), Data1 /* DW: for right read */ +#define AWE_SMALW awe_cmd_idx(1,22), Data1 /* DW: sound memory address for left write */ +#define AWE_SMARW awe_cmd_idx(1,23), Data1 /* DW: for right write */ +#define AWE_SMLD awe_cmd_idx(1,26), Data1 /* W: sound memory left data */ +#define AWE_SMRD awe_cmd_idx(1,26), Data2 /* W: right data */ +#define AWE_WC awe_cmd_idx(1,27), Data2 /* W: sample counter */ +#define AWE_WC_Cmd awe_cmd_idx(1,27) +#define AWE_WC_Port Data2 +#define AWE_HWCF1 awe_cmd_idx(1,29), Data1 /* W: config w 1 */ +#define AWE_HWCF2 awe_cmd_idx(1,30), Data1 /* W: config w 2 */ +#define AWE_HWCF3 awe_cmd_idx(1,31), Data1 /* W: config w 3 */ +#define AWE_INIT1(ch) awe_cmd_idx(2,ch), Data1 /* W: init array 1 */ +#define AWE_INIT2(ch) awe_cmd_idx(2,ch), Data2 /* W: init array 2 */ +#define AWE_INIT3(ch) awe_cmd_idx(3,ch), Data1 /* W: init array 3 */ +#define AWE_INIT4(ch) awe_cmd_idx(3,ch), Data2 /* W: init array 4 */ +#define AWE_ENVVOL(ch) awe_cmd_idx(4,ch), Data1 /* W: volume envelope delay */ +#define AWE_DCYSUSV(ch) awe_cmd_idx(5,ch), Data1 /* W: volume envelope sustain and decay */ +#define AWE_ENVVAL(ch) awe_cmd_idx(6,ch), Data1 /* W: modulation envelope delay */ +#define AWE_DCYSUS(ch) awe_cmd_idx(7,ch), Data1 /* W: modulation envelope sustain and decay */ +#define AWE_ATKHLDV(ch) awe_cmd_idx(4,ch), Data2 /* W: volume envelope attack and hold */ +#define AWE_LFO1VAL(ch) awe_cmd_idx(5,ch), Data2 /* W: LFO#1 Delay */ +#define AWE_ATKHLD(ch) awe_cmd_idx(6,ch), Data2 /* W: modulation envelope attack and hold */ +#define AWE_LFO2VAL(ch) awe_cmd_idx(7,ch), Data2 /* W: LFO#2 Delay */ +#define AWE_IP(ch) awe_cmd_idx(0,ch), Data3 /* W: initial pitch */ +#define AWE_IFATN(ch) awe_cmd_idx(1,ch), Data3 /* W: initial filter cutoff and attenuation */ +#define AWE_PEFE(ch) awe_cmd_idx(2,ch), Data3 /* W: pitch and filter envelope heights */ +#define AWE_FMMOD(ch) awe_cmd_idx(3,ch), Data3 /* W: vibrato and filter modulation freq */ +#define AWE_TREMFRQ(ch) awe_cmd_idx(4,ch), Data3 /* W: LFO#1 tremolo amount and freq */ +#define AWE_FM2FRQ2(ch) awe_cmd_idx(5,ch), Data3 /* W: LFO#2 vibrato amount and freq */ + +/* used during detection (returns ROM version?; not documented in ADIP) */ +#define AWE_U1 0xE0, Data3 /* (R)(W) used in initialization */ +#define AWE_U2(ch) 0xC0+(ch), Data3 /* (W)(W) used in init envelope */ + + +#define AWE_MAX_VOICES 32 +#define AWE_NORMAL_VOICES 30 /*30&31 are reserved for DRAM refresh*/ + +#define AWE_MAX_CHANNELS 32 /* max midi channels (must >= voices) */ +#define AWE_MAX_LAYERS AWE_MAX_VOICES /* maximum number of multiple layers */ + +#define AWE_DRAM_OFFSET 0x200000 +#define AWE_MAX_DRAM_SIZE (28 * 1024) /* 28 MB is max onboard memory */ + +#define AWE_DEFAULT_ATTENUATION 32 /* 12dB below */ +#define AWE_DEFAULT_MOD_SENSE 18 + +#endif diff --git a/sys/gnu/i386/isa/sound/awe_version.h b/sys/gnu/i386/isa/sound/awe_version.h new file mode 100644 index 0000000..40d10df --- /dev/null +++ b/sys/gnu/i386/isa/sound/awe_version.h @@ -0,0 +1,12 @@ +/* AWE32 driver version number */ + +#ifndef AWE_VERSION_H_DEF +#define AWE_VERSION_H_DEF + +#define AWE_VERSION_NUMBER 0x00040203 +#define AWEDRV_VERSION "0.4.2c" +#define AWE_MAJOR_VERSION(id) (((id) >> 16) & 0xff) +#define AWE_MINOR_VERSION(id) (((id) >> 8) & 0xff) +#define AWE_TINY_VERSION(id) ((id) & 0xff) + +#endif diff --git a/sys/gnu/i386/isa/sound/awe_voice.h b/sys/gnu/i386/isa/sound/awe_voice.h new file mode 100644 index 0000000..aa13131 --- /dev/null +++ b/sys/gnu/i386/isa/sound/awe_voice.h @@ -0,0 +1,490 @@ +/* + * sound/awe_voice.h + * + * Voice information definitions for the low level driver for the + * AWE32/Sound Blaster 32 wave table synth. + * version 0.4.2c; Oct. 7, 1997 + * + * Copyright (C) 1996,1997 Takashi Iwai + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef AWE_VOICE_H +#define AWE_VOICE_H + +#ifndef SAMPLE_TYPE_AWE32 +#define SAMPLE_TYPE_AWE32 0x20 +#endif + +#ifndef _PATCHKEY +#define _PATCHKEY(id) ((id<<8)|0xfd) +#endif + +/*---------------------------------------------------------------- + * patch information record + *----------------------------------------------------------------*/ + +/* patch interface header: 16 bytes */ +typedef struct awe_patch_info { + short key; /* use AWE_PATCH here */ +#define AWE_PATCH _PATCHKEY(0x07) + + short device_no; /* synthesizer number */ + unsigned short sf_id; /* file id (should be zero) */ + short optarg; /* optional argument */ + int len; /* data length (without this header) */ + + short type; /* patch operation type */ +#define AWE_LOAD_INFO 0 /* awe_voice_rec */ +#define AWE_LOAD_DATA 1 /* awe_sample_info */ +#define AWE_OPEN_PATCH 2 /* awe_open_parm */ +#define AWE_CLOSE_PATCH 3 /* none */ +#define AWE_UNLOAD_PATCH 4 /* none */ +#define AWE_REPLACE_DATA 5 /* awe_sample_info (optarg=#channels)*/ +#define AWE_MAP_PRESET 6 /* awe_voice_map */ +#define AWE_LOAD_CHORUS_FX 0x10 /* awe_chorus_fx_rec (optarg=mode) */ +#define AWE_LOAD_REVERB_FX 0x11 /* awe_reverb_fx_rec (optarg=mode) */ + + short reserved; /* word alignment data */ + + /* the actual patch data begins after this */ +#if defined(AWE_COMPAT_030) && AWE_COMPAT_030 + char data[0]; +#endif +} awe_patch_info; + +/*#define AWE_PATCH_INFO_SIZE 16*/ +#define AWE_PATCH_INFO_SIZE sizeof(awe_patch_info) + + +/*---------------------------------------------------------------- + * open patch + *----------------------------------------------------------------*/ + +#define AWE_PATCH_NAME_LEN 32 + +typedef struct _awe_open_parm { + unsigned short type; /* sample type */ +#define AWE_PAT_TYPE_MISC 0 +#define AWE_PAT_TYPE_GM 1 +#define AWE_PAT_TYPE_GS 2 +#define AWE_PAT_TYPE_MT32 3 +#define AWE_PAT_TYPE_XG 4 +#define AWE_PAT_TYPE_SFX 5 +#define AWE_PAT_TYPE_GUS 6 +#define AWE_PAT_TYPE_MAP 7 + +#define AWE_PAT_LOCKED 0x100 /* lock the samples */ + + short reserved; + char name[AWE_PATCH_NAME_LEN]; +} awe_open_parm; + +/*#define AWE_OPEN_PARM_SIZE 28*/ +#define AWE_OPEN_PARM_SIZE sizeof(awe_open_parm) + + +/*---------------------------------------------------------------- + * raw voice information record + *----------------------------------------------------------------*/ + +/* wave table envelope & effect parameters to control EMU8000 */ +typedef struct _awe_voice_parm { + unsigned short moddelay; /* modulation delay (0x8000) */ + unsigned short modatkhld; /* modulation attack & hold time (0x7f7f) */ + unsigned short moddcysus; /* modulation decay & sustain (0x7f7f) */ + unsigned short modrelease; /* modulation release time (0x807f) */ + short modkeyhold, modkeydecay; /* envelope change per key (not used) */ + unsigned short voldelay; /* volume delay (0x8000) */ + unsigned short volatkhld; /* volume attack & hold time (0x7f7f) */ + unsigned short voldcysus; /* volume decay & sustain (0x7f7f) */ + unsigned short volrelease; /* volume release time (0x807f) */ + short volkeyhold, volkeydecay; /* envelope change per key (not used) */ + unsigned short lfo1delay; /* LFO1 delay (0x8000) */ + unsigned short lfo2delay; /* LFO2 delay (0x8000) */ + unsigned short pefe; /* modulation pitch & cutoff (0x0000) */ + unsigned short fmmod; /* LFO1 pitch & cutoff (0x0000) */ + unsigned short tremfrq; /* LFO1 volume & freq (0x0000) */ + unsigned short fm2frq2; /* LFO2 pitch & freq (0x0000) */ + unsigned char cutoff; /* initial cutoff (0xff) */ + unsigned char filterQ; /* initial filter Q [0-15] (0x0) */ + unsigned char chorus; /* chorus send (0x00) */ + unsigned char reverb; /* reverb send (0x00) */ + unsigned short reserved[4]; /* not used */ +} awe_voice_parm; + +#define AWE_VOICE_PARM_SIZE 48 + + +/* wave table parameters: 92 bytes */ +typedef struct _awe_voice_info { + unsigned short sf_id; /* file id (should be zero) */ + unsigned short sample; /* sample id */ + int start, end; /* sample offset correction */ + int loopstart, loopend; /* loop offset correction */ + short rate_offset; /* sample rate pitch offset */ + unsigned short mode; /* sample mode */ +#define AWE_MODE_ROMSOUND 0x8000 +#define AWE_MODE_STEREO 1 +#define AWE_MODE_LOOPING 2 +#define AWE_MODE_NORELEASE 4 /* obsolete */ +#define AWE_MODE_INIT_PARM 8 + + short root; /* midi root key */ + short tune; /* pitch tuning (in cents) */ + char low, high; /* key note range */ + char vellow, velhigh; /* velocity range */ + char fixkey, fixvel; /* fixed key, velocity */ + char pan, fixpan; /* panning, fixed panning */ + short exclusiveClass; /* exclusive class (0 = none) */ + unsigned char amplitude; /* sample volume (127 max) */ + unsigned char attenuation; /* attenuation (0.375dB) */ + short scaleTuning; /* pitch scale tuning(%), normally 100 */ + awe_voice_parm parm; /* voice envelope parameters */ + short index; /* internal index (set by driver) */ +} awe_voice_info; + +/*#define AWE_VOICE_INFO_SIZE 92*/ +#define AWE_VOICE_INFO_SIZE sizeof(awe_voice_info) + +/*----------------------------------------------------------------*/ + +/* The info entry of awe_voice_rec is changed from 0 to 1 + * for some compilers refusing zero size array. + * Due to this change, sizeof(awe_voice_rec) becomes different + * from older versions. + * Use AWE_VOICE_REC_SIZE instead. + */ + +/* instrument info header: 4 bytes */ +typedef struct _awe_voice_rec_hdr { + unsigned char bank; /* midi bank number */ + unsigned char instr; /* midi preset number */ + char nvoices; /* number of voices */ + char write_mode; /* write mode; normally 0 */ +#define AWE_WR_APPEND 0 /* append anyway */ +#define AWE_WR_EXCLUSIVE 1 /* skip if already exists */ +#define AWE_WR_REPLACE 2 /* replace if already exists */ +} awe_voice_rec_hdr; + +/*#define AWE_VOICE_REC_SIZE 4*/ +#define AWE_VOICE_REC_SIZE sizeof(awe_voice_rec_hdr) + +/* the standard patch structure for one sample */ +typedef struct _awe_voice_rec_patch { + awe_patch_info patch; + awe_voice_rec_hdr hdr; + awe_voice_info info; +} awe_voice_rec_patch; + + +/* obsolete data type */ +#if defined(AWE_COMPAT_030) && AWE_COMPAT_030 +#define AWE_INFOARRAY_SIZE 0 +#else +#define AWE_INFOARRAY_SIZE 1 +#endif + +typedef struct _awe_voice_rec { + unsigned char bank; /* midi bank number */ + unsigned char instr; /* midi preset number */ + short nvoices; /* number of voices */ + /* voice information follows here */ + awe_voice_info info[AWE_INFOARRAY_SIZE]; +} awe_voice_rec; + + +/*---------------------------------------------------------------- + * sample wave information + *----------------------------------------------------------------*/ + +/* wave table sample header: 32 bytes */ +typedef struct awe_sample_info { + unsigned short sf_id; /* file id (should be zero) */ + unsigned short sample; /* sample id */ + int start, end; /* start & end offset */ + int loopstart, loopend; /* loop start & end offset */ + int size; /* size (0 = ROM) */ + short checksum_flag; /* use check sum = 1 */ + unsigned short mode_flags; /* mode flags */ +#define AWE_SAMPLE_8BITS 1 /* wave data is 8bits */ +#define AWE_SAMPLE_UNSIGNED 2 /* wave data is unsigned */ +#define AWE_SAMPLE_NO_BLANK 4 /* no blank loop is attached */ +#define AWE_SAMPLE_SINGLESHOT 8 /* single-shot w/o loop */ +#define AWE_SAMPLE_BIDIR_LOOP 16 /* bidirectional looping */ +#define AWE_SAMPLE_STEREO_LEFT 32 /* stereo left sound */ +#define AWE_SAMPLE_STEREO_RIGHT 64 /* stereo right sound */ +#define AWE_SAMPLE_REVERSE_LOOP 128 /* reverse looping */ + unsigned int checksum; /* check sum */ +#if defined(AWE_COMPAT_030) && AWE_COMPAT_030 + unsigned short data[0]; /* sample data follows here */ +#endif +} awe_sample_info; + +/*#define AWE_SAMPLE_INFO_SIZE 32*/ +#define AWE_SAMPLE_INFO_SIZE sizeof(awe_sample_info) + + +/*---------------------------------------------------------------- + * voice preset mapping + *----------------------------------------------------------------*/ + +typedef struct awe_voice_map { + int map_bank, map_instr, map_key; /* key = -1 means all keys */ + int src_bank, src_instr, src_key; +} awe_voice_map; + +#define AWE_VOICE_MAP_SIZE sizeof(awe_voice_map) + + +/*---------------------------------------------------------------- + * awe hardware controls + *----------------------------------------------------------------*/ + +#define _AWE_DEBUG_MODE 0x00 +#define _AWE_REVERB_MODE 0x01 +#define _AWE_CHORUS_MODE 0x02 +#define _AWE_REMOVE_LAST_SAMPLES 0x03 +#define _AWE_INITIALIZE_CHIP 0x04 +#define _AWE_SEND_EFFECT 0x05 +#define _AWE_TERMINATE_CHANNEL 0x06 +#define _AWE_TERMINATE_ALL 0x07 +#define _AWE_INITIAL_VOLUME 0x08 +#define _AWE_INITIAL_ATTEN _AWE_INITIAL_VOLUME +#define _AWE_RESET_CHANNEL 0x09 +#define _AWE_CHANNEL_MODE 0x0a +#define _AWE_DRUM_CHANNELS 0x0b +#define _AWE_MISC_MODE 0x0c +#define _AWE_RELEASE_ALL 0x0d +#define _AWE_NOTEOFF_ALL 0x0e +#define _AWE_CHN_PRESSURE 0x0f +/*#define _AWE_GET_CURRENT_MODE 0x10*/ +#define _AWE_EQUALIZER 0x11 +/*#define _AWE_GET_MISC_MODE 0x12*/ +/*#define _AWE_GET_FONTINFO 0x13*/ + +#define _AWE_MODE_FLAG 0x80 +#define _AWE_COOKED_FLAG 0x40 /* not supported */ +#define _AWE_MODE_VALUE_MASK 0x3F + +/*----------------------------------------------------------------*/ + +#define _AWE_SET_CMD(p,dev,voice,cmd,p1,p2) \ +{((char*)(p))[0] = SEQ_PRIVATE;\ + ((char*)(p))[1] = dev;\ + ((char*)(p))[2] = _AWE_MODE_FLAG|(cmd);\ + ((char*)(p))[3] = voice;\ + ((unsigned short*)(p))[2] = p1;\ + ((unsigned short*)(p))[3] = p2;} + +/* buffered access */ +#define _AWE_CMD(dev, voice, cmd, p1, p2) \ +{_SEQ_NEEDBUF(8);\ + _AWE_SET_CMD(_seqbuf + _seqbufptr, dev, voice, cmd, p1, p2);\ + _SEQ_ADVBUF(8);} + +/* direct access */ +#define _AWE_CMD_NOW(seqfd,dev,voice,cmd,p1,p2) \ +{struct seq_event_rec tmp;\ + _AWE_SET_CMD(&tmp, dev, voice, cmd, p1, p2);\ + ioctl(seqfd, SNDCTL_SEQ_OUTOFBAND, &tmp);} + +/*----------------------------------------------------------------*/ + +/* set debugging mode */ +#define AWE_DEBUG_MODE(dev,p1) _AWE_CMD(dev, 0, _AWE_DEBUG_MODE, p1, 0) +/* set reverb mode; from 0 to 7 */ +#define AWE_REVERB_MODE(dev,p1) _AWE_CMD(dev, 0, _AWE_REVERB_MODE, p1, 0) +/* set chorus mode; from 0 to 7 */ +#define AWE_CHORUS_MODE(dev,p1) _AWE_CMD(dev, 0, _AWE_CHORUS_MODE, p1, 0) + +/* reset channel */ +#define AWE_RESET_CHANNEL(dev,ch) _AWE_CMD(dev, ch, _AWE_RESET_CHANNEL, 0, 0) +#define AWE_RESET_CONTROL(dev,ch) _AWE_CMD(dev, ch, _AWE_RESET_CHANNEL, 1, 0) + +/* send an effect to all layers */ +#define AWE_SEND_EFFECT(dev,voice,type,value) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,type,value) +#define AWE_ADD_EFFECT(dev,voice,type,value) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((type)|0x80),value) +#define AWE_UNSET_EFFECT(dev,voice,type) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((type)|0x40),0) +/* send an effect to a layer */ +#define AWE_SEND_LAYER_EFFECT(dev,voice,layer,type,value) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((layer+1)<<8|(type)),value) +#define AWE_ADD_LAYER_EFFECT(dev,voice,layer,type,value) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((layer+1)<<8|(type)|0x80),value) +#define AWE_UNSET_LAYER_EFFECT(dev,voice,layer,type) _AWE_CMD(dev,voice,_AWE_SEND_EFFECT,((layer+1)<<8|(type)|0x40),0) + +/* terminate sound on the channel/voice */ +#define AWE_TERMINATE_CHANNEL(dev,voice) _AWE_CMD(dev,voice,_AWE_TERMINATE_CHANNEL,0,0) +/* terminate all sounds */ +#define AWE_TERMINATE_ALL(dev) _AWE_CMD(dev, 0, _AWE_TERMINATE_ALL, 0, 0) +/* release all sounds (w/o sustain effect) */ +#define AWE_RELEASE_ALL(dev) _AWE_CMD(dev, 0, _AWE_RELEASE_ALL, 0, 0) +/* note off all sounds (w sustain effect) */ +#define AWE_NOTEOFF_ALL(dev) _AWE_CMD(dev, 0, _AWE_NOTEOFF_ALL, 0, 0) + +/* set initial attenuation */ +#define AWE_INITIAL_VOLUME(dev,atten) _AWE_CMD(dev, 0, _AWE_INITIAL_VOLUME, atten, 0) +#define AWE_INITIAL_ATTEN AWE_INITIAL_VOLUME +/* relative attenuation */ +#define AWE_SET_ATTEN(dev,atten) _AWE_CMD(dev, 0, _AWE_INITIAL_VOLUME, atten, 1) + +/* set channel playing mode; mode=0/1/2 */ +#define AWE_SET_CHANNEL_MODE(dev,mode) _AWE_CMD(dev, 0, _AWE_CHANNEL_MODE, mode, 0) +#define AWE_PLAY_INDIRECT 0 /* indirect voice mode (default) */ +#define AWE_PLAY_MULTI 1 /* multi note voice mode */ +#define AWE_PLAY_DIRECT 2 /* direct single voice mode */ +#define AWE_PLAY_MULTI2 3 /* sequencer2 mode; used internally */ + +/* set drum channel mask; channels is 32bit long value */ +#define AWE_DRUM_CHANNELS(dev,channels) _AWE_CMD(dev, 0, _AWE_DRUM_CHANNELS, ((channels) & 0xffff), ((channels) >> 16)) + +/* set bass and treble control; values are from 0 to 11 */ +#define AWE_EQUALIZER(dev,bass,treble) _AWE_CMD(dev, 0, _AWE_EQUALIZER, bass, treble) + +/* remove last loaded samples */ +#define AWE_REMOVE_LAST_SAMPLES(seqfd,dev) _AWE_CMD_NOW(seqfd, dev, 0, _AWE_REMOVE_LAST_SAMPLES, 0, 0) +/* initialize emu8000 chip */ +#define AWE_INITIALIZE_CHIP(seqfd,dev) _AWE_CMD_NOW(seqfd, dev, 0, _AWE_INITIALIZE_CHIP, 0, 0) + +/* set miscellaneous modes; meta command */ +#define AWE_MISC_MODE(dev,mode,value) _AWE_CMD(dev, 0, _AWE_MISC_MODE, mode, value) +/* exclusive sound off; 1=off */ +#define AWE_EXCLUSIVE_SOUND(dev,mode) AWE_MISC_MODE(dev,AWE_MD_EXCLUSIVE_SOUND,mode) +/* default GUS bank number */ +#define AWE_SET_GUS_BANK(dev,bank) AWE_MISC_MODE(dev,AWE_MD_GUS_BANK,bank) +/* change panning position in realtime; 0=don't 1=do */ +#define AWE_REALTIME_PAN(dev,mode) AWE_MISC_MODE(dev,AWE_MD_REALTIME_PAN,mode) + +/* extended pressure controls; not portable with other sound drivers */ +#define AWE_KEY_PRESSURE(dev,ch,note,vel) SEQ_START_NOTE(dev,ch,(note)+128,vel) +#define AWE_CHN_PRESSURE(dev,ch,vel) _AWE_CMD(dev,ch,_AWE_CHN_PRESSURE,vel,0) + +/*----------------------------------------------------------------*/ + +/* reverb mode parameters */ +#define AWE_REVERB_ROOM1 0 +#define AWE_REVERB_ROOM2 1 +#define AWE_REVERB_ROOM3 2 +#define AWE_REVERB_HALL1 3 +#define AWE_REVERB_HALL2 4 +#define AWE_REVERB_PLATE 5 +#define AWE_REVERB_DELAY 6 +#define AWE_REVERB_PANNINGDELAY 7 +#define AWE_REVERB_PREDEFINED 8 +/* user can define reverb modes up to 32 */ +#define AWE_REVERB_NUMBERS 32 + +typedef struct awe_reverb_fx_rec { + unsigned short parms[28]; +} awe_reverb_fx_rec; + +/*----------------------------------------------------------------*/ + +/* chorus mode parameters */ +#define AWE_CHORUS_1 0 +#define AWE_CHORUS_2 1 +#define AWE_CHORUS_3 2 +#define AWE_CHORUS_4 3 +#define AWE_CHORUS_FEEDBACK 4 +#define AWE_CHORUS_FLANGER 5 +#define AWE_CHORUS_SHORTDELAY 6 +#define AWE_CHORUS_SHORTDELAY2 7 +#define AWE_CHORUS_PREDEFINED 8 +/* user can define chorus modes up to 32 */ +#define AWE_CHORUS_NUMBERS 32 + +typedef struct awe_chorus_fx_rec { + unsigned short feedback; /* feedback level (0xE600-0xE6FF) */ + unsigned short delay_offset; /* delay (0-0x0DA3) [1/44100 sec] */ + unsigned short lfo_depth; /* LFO depth (0xBC00-0xBCFF) */ + unsigned int delay; /* right delay (0-0xFFFFFFFF) [1/256/44100 sec] */ + unsigned int lfo_freq; /* LFO freq LFO freq (0-0xFFFFFFFF) */ +} awe_chorus_fx_rec; + +/*----------------------------------------------------------------*/ + +/* misc mode types */ +enum { +/* 0*/ AWE_MD_EXCLUSIVE_OFF, /* obsolete */ +/* 1*/ AWE_MD_EXCLUSIVE_ON, /* obsolete */ +/* 2*/ AWE_MD_VERSION, /* read only */ +/* 3*/ AWE_MD_EXCLUSIVE_SOUND, /* ignored */ +/* 4*/ AWE_MD_REALTIME_PAN, /* 0/1: do realtime pan change (default=1) */ +/* 5*/ AWE_MD_GUS_BANK, /* bank number for GUS patches (default=0) */ +/* 6*/ AWE_MD_KEEP_EFFECT, /* 0/1: keep effect values, (default=0) */ +/* 7*/ AWE_MD_ZERO_ATTEN, /* attenuation of max volume (default=32) */ +/* 8*/ AWE_MD_CHN_PRIOR, /* 0/1: set MIDI channel priority mode (default=1) */ +/* 9*/ AWE_MD_MOD_SENSE, /* integer: modwheel sensitivity (def=18) */ +/*10*/ AWE_MD_DEF_PRESET, /* integer: default preset number (def=0) */ +/*11*/ AWE_MD_DEF_BANK, /* integer: default bank number (def=0) */ +/*12*/ AWE_MD_DEF_DRUM, /* integer: default drumset number (def=0) */ +/*13*/ AWE_MD_TOGGLE_DRUM_BANK, /* 0/1: toggle drum flag with bank# (def=0) */ + AWE_MD_END, +}; + +/*----------------------------------------------------------------*/ + +/* effect parameters */ +enum { + +/* modulation envelope parameters */ +/* 0*/ AWE_FX_ENV1_DELAY, /* WORD: ENVVAL */ +/* 1*/ AWE_FX_ENV1_ATTACK, /* BYTE: up ATKHLD */ +/* 2*/ AWE_FX_ENV1_HOLD, /* BYTE: lw ATKHLD */ +/* 3*/ AWE_FX_ENV1_DECAY, /* BYTE: lw DCYSUS */ +/* 4*/ AWE_FX_ENV1_RELEASE, /* BYTE: lw DCYSUS */ +/* 5*/ AWE_FX_ENV1_SUSTAIN, /* BYTE: up DCYSUS */ +/* 6*/ AWE_FX_ENV1_PITCH, /* BYTE: up PEFE */ +/* 7*/ AWE_FX_ENV1_CUTOFF, /* BYTE: lw PEFE */ + +/* volume envelope parameters */ +/* 8*/ AWE_FX_ENV2_DELAY, /* WORD: ENVVOL */ +/* 9*/ AWE_FX_ENV2_ATTACK, /* BYTE: up ATKHLDV */ +/*10*/ AWE_FX_ENV2_HOLD, /* BYTE: lw ATKHLDV */ +/*11*/ AWE_FX_ENV2_DECAY, /* BYTE: lw DCYSUSV */ +/*12*/ AWE_FX_ENV2_RELEASE, /* BYTE: lw DCYSUSV */ +/*13*/ AWE_FX_ENV2_SUSTAIN, /* BYTE: up DCYSUSV */ + +/* LFO1 (tremolo & vibrato) parameters */ +/*14*/ AWE_FX_LFO1_DELAY, /* WORD: LFO1VAL */ +/*15*/ AWE_FX_LFO1_FREQ, /* BYTE: lo TREMFRQ */ +/*16*/ AWE_FX_LFO1_VOLUME, /* BYTE: up TREMFRQ */ +/*17*/ AWE_FX_LFO1_PITCH, /* BYTE: up FMMOD */ +/*18*/ AWE_FX_LFO1_CUTOFF, /* BYTE: lo FMMOD */ + +/* LFO2 (vibrato) parameters */ +/*19*/ AWE_FX_LFO2_DELAY, /* WORD: LFO2VAL */ +/*20*/ AWE_FX_LFO2_FREQ, /* BYTE: lo FM2FRQ2 */ +/*21*/ AWE_FX_LFO2_PITCH, /* BYTE: up FM2FRQ2 */ + +/* Other overall effect parameters */ +/*22*/ AWE_FX_INIT_PITCH, /* SHORT: pitch offset */ +/*23*/ AWE_FX_CHORUS, /* BYTE: chorus effects send (0-255) */ +/*24*/ AWE_FX_REVERB, /* BYTE: reverb effects send (0-255) */ +/*25*/ AWE_FX_CUTOFF, /* BYTE: up IFATN */ +/*26*/ AWE_FX_FILTERQ, /* BYTE: up CCCA */ + +/* Sample / loop offset changes */ +/*27*/ AWE_FX_SAMPLE_START, /* SHORT: offset */ +/*28*/ AWE_FX_LOOP_START, /* SHORT: offset */ +/*29*/ AWE_FX_LOOP_END, /* SHORT: offset */ +/*30*/ AWE_FX_COARSE_SAMPLE_START, /* SHORT: upper word offset */ +/*31*/ AWE_FX_COARSE_LOOP_START, /* SHORT: upper word offset */ +/*32*/ AWE_FX_COARSE_LOOP_END, /* SHORT: upper word offset */ +/*33*/ AWE_FX_ATTEN, /* BYTE: lo IFATN */ + + AWE_FX_END, +}; + +#endif /* AWE_VOICE_H */ diff --git a/sys/gnu/i386/isa/sound/awe_wave.c b/sys/gnu/i386/isa/sound/awe_wave.c new file mode 100644 index 0000000..7480311 --- /dev/null +++ b/sys/gnu/i386/isa/sound/awe_wave.c @@ -0,0 +1,4551 @@ +/* + * sound/awe_wave.c + * + * The low level driver for the AWE32/Sound Blaster 32 wave table synth. + * version 0.4.2c; Oct. 7, 1997 + * + * Copyright (C) 1996,1997 Takashi Iwai + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifdef __FreeBSD__ +# include <i386/isa/sound/awe_config.h> +#else +# include "awe_config.h" +#endif + +/*----------------------------------------------------------------*/ + +#ifdef CONFIG_AWE32_SYNTH + +#ifdef __FreeBSD__ +# include <i386/isa/sound/awe_hw.h> +# include <i386/isa/sound/awe_version.h> +# include <i386/isa/sound/awe_voice.h> +#else +# include "awe_hw.h" +# include "awe_version.h" +# include <linux/awe_voice.h> +#endif + +#ifdef AWE_HAS_GUS_COMPATIBILITY +/* include finetune table */ +#ifdef AWE_OBSOLETE_VOXWARE +# ifdef __FreeBSD__ +# define SEQUENCER_C +# include <i386/isa/sound/tuning.h> +# else +# include "tuning.h" +# endif +#else +# include "../tuning.h" +#endif + +#ifdef linux +# include <linux/ultrasound.h> +#elif defined(__FreeBSD__) +# include <machine/ultrasound.h> +#endif + +#endif /* AWE_HAS_GUS_COMPATIBILITY */ + + +/*---------------------------------------------------------------- + * debug message + *----------------------------------------------------------------*/ + +static int debug_mode = 0; +#ifdef AWE_DEBUG_ON +#define DEBUG(LVL,XXX) {if (debug_mode > LVL) { XXX; }} +#define ERRMSG(XXX) {if (debug_mode) { XXX; }} +#define FATALERR(XXX) XXX +#else +#define DEBUG(LVL,XXX) /**/ +#define ERRMSG(XXX) XXX +#define FATALERR(XXX) XXX +#endif + +/*---------------------------------------------------------------- + * bank and voice record + *----------------------------------------------------------------*/ + +/* soundfont record */ +typedef struct _sf_list { + unsigned short sf_id; + unsigned short type; + int num_info; /* current info table index */ + int num_sample; /* current sample table index */ + int mem_ptr; /* current word byte pointer */ + int infos; + int samples; + /*char name[AWE_PATCH_NAME_LEN];*/ +} sf_list; + +/* bank record */ +typedef struct _awe_voice_list { + int next; /* linked list with same sf_id */ + unsigned char bank, instr; /* preset number information */ + char type, disabled; /* type=normal/mapped, disabled=boolean */ + awe_voice_info v; /* voice information */ + int next_instr; /* preset table list */ + int next_bank; /* preset table list */ +} awe_voice_list; + +/* voice list type */ +#define V_ST_NORMAL 0 +#define V_ST_MAPPED 1 + +typedef struct _awe_sample_list { + int next; /* linked list with same sf_id */ + awe_sample_info v; /* sample information */ +} awe_sample_list; + +/* sample and information table */ +static int current_sf_id = 0; +static int locked_sf_id = 0; +static int max_sfs; +static sf_list *sflists = NULL; + +#define awe_free_mem_ptr() (current_sf_id <= 0 ? 0 : sflists[current_sf_id-1].mem_ptr) +#define awe_free_info() (current_sf_id <= 0 ? 0 : sflists[current_sf_id-1].num_info) +#define awe_free_sample() (current_sf_id <= 0 ? 0 : sflists[current_sf_id-1].num_sample) + +static int max_samples; +static awe_sample_list *samples = NULL; + +static int max_infos; +static awe_voice_list *infos = NULL; + + +#define AWE_MAX_PRESETS 256 +#define AWE_DEFAULT_PRESET 0 +#define AWE_DEFAULT_BANK 0 +#define AWE_DEFAULT_DRUM 0 +#define AWE_DRUM_BANK 128 + +#define MAX_LAYERS AWE_MAX_VOICES + +/* preset table index */ +static int preset_table[AWE_MAX_PRESETS]; + +/*---------------------------------------------------------------- + * voice table + *----------------------------------------------------------------*/ + +/* effects table */ +typedef struct FX_Rec { /* channel effects */ + unsigned char flags[AWE_FX_END]; + short val[AWE_FX_END]; +} FX_Rec; + + +/* channel parameters */ +typedef struct _awe_chan_info { + int channel; /* channel number */ + int bank; /* current tone bank */ + int instr; /* current program */ + int bender; /* midi pitchbend (-8192 - 8192) */ + int bender_range; /* midi bender range (x100) */ + int panning; /* panning (0-127) */ + int main_vol; /* channel volume (0-127) */ + int expression_vol; /* midi expression (0-127) */ + int chan_press; /* channel pressure */ + int vrec; /* instrument list */ + int def_vrec; /* default instrument list */ + int sustained; /* sustain status in MIDI */ + FX_Rec fx; /* effects */ + FX_Rec fx_layer[MAX_LAYERS]; /* layer effects */ +} awe_chan_info; + +/* voice parameters */ +typedef struct _voice_info { + int state; +#define AWE_ST_OFF (1<<0) /* no sound */ +#define AWE_ST_ON (1<<1) /* playing */ +#define AWE_ST_STANDBY (1<<2) /* stand by for playing */ +#define AWE_ST_SUSTAINED (1<<3) /* sustained */ +#define AWE_ST_MARK (1<<4) /* marked for allocation */ +#define AWE_ST_DRAM (1<<5) /* DRAM read/write */ +#define AWE_ST_FM (1<<6) /* reserved for FM */ +#define AWE_ST_RELEASED (1<<7) /* released */ + + int ch; /* midi channel */ + int key; /* internal key for search */ + int layer; /* layer number (for channel mode only) */ + int time; /* allocated time */ + awe_chan_info *cinfo; /* channel info */ + + int note; /* midi key (0-127) */ + int velocity; /* midi velocity (0-127) */ + int sostenuto; /* sostenuto on/off */ + awe_voice_info *sample; /* assigned voice */ + + /* EMU8000 parameters */ + int apitch; /* pitch parameter */ + int avol; /* volume parameter */ + int apan; /* panning parameter */ +} voice_info; + +/* voice information */ +static voice_info *voices; + +#define IS_NO_SOUND(v) (voices[v].state & (AWE_ST_OFF|AWE_ST_RELEASED|AWE_ST_STANDBY|AWE_ST_SUSTAINED)) +#define IS_NO_EFFECT(v) (voices[v].state != AWE_ST_ON) +#define IS_PLAYING(v) (voices[v].state & (AWE_ST_ON|AWE_ST_SUSTAINED|AWE_ST_RELEASED)) +#define IS_EMPTY(v) (voices[v].state & (AWE_ST_OFF|AWE_ST_MARK|AWE_ST_DRAM|AWE_ST_FM)) + + +/* MIDI channel effects information (for hw control) */ +static awe_chan_info *channels; + + +/*---------------------------------------------------------------- + * global variables + *----------------------------------------------------------------*/ + +#ifndef AWE_DEFAULT_BASE_ADDR +#define AWE_DEFAULT_BASE_ADDR 0 /* autodetect */ +#endif + +#ifndef AWE_DEFAULT_MEM_SIZE +#define AWE_DEFAULT_MEM_SIZE 0 /* autodetect */ +#endif + +/* awe32 base address (overwritten at initialization) */ +static int awe_base = AWE_DEFAULT_BASE_ADDR; +/* memory byte size */ +static int awe_mem_size = AWE_DEFAULT_MEM_SIZE; +/* DRAM start offset */ +static int awe_mem_start = AWE_DRAM_OFFSET; + +/* maximum channels for playing */ +static int awe_max_voices = AWE_MAX_VOICES; + +static int patch_opened = 0; /* sample already loaded? */ + +static int reverb_mode = 4; /* reverb mode */ +static int chorus_mode = 2; /* chorus mode */ +static short init_atten = AWE_DEFAULT_ATTENUATION; /* 12dB below */ + +static int awe_present = FALSE; /* awe device present? */ +static int awe_busy = FALSE; /* awe device opened? */ + +#define DEFAULT_DRUM_FLAGS ((1 << 9) | (1 << 25)) +#define IS_DRUM_CHANNEL(c) (drum_flags & (1 << (c))) +#define DRUM_CHANNEL_ON(c) (drum_flags |= (1 << (c))) +#define DRUM_CHANNEL_OFF(c) (drum_flags &= ~(1 << (c))) +static unsigned int drum_flags = DEFAULT_DRUM_FLAGS; /* channel flags */ + +static int playing_mode = AWE_PLAY_INDIRECT; +#define SINGLE_LAYER_MODE() (playing_mode == AWE_PLAY_INDIRECT || playing_mode == AWE_PLAY_DIRECT) +#define MULTI_LAYER_MODE() (playing_mode == AWE_PLAY_MULTI || playing_mode == AWE_PLAY_MULTI2) + +static int current_alloc_time = 0; /* voice allocation index for channel mode */ + +static struct MiscModeDef { + int value; + int init_each_time; +} misc_modes_default[AWE_MD_END] = { + {0,0}, {0,0}, /* <-- not used */ + {AWE_VERSION_NUMBER, FALSE}, + {TRUE, TRUE}, /* exclusive */ + {TRUE, TRUE}, /* realpan */ + {AWE_DEFAULT_BANK, TRUE}, /* gusbank */ + {FALSE, TRUE}, /* keep effect */ + {AWE_DEFAULT_ATTENUATION, FALSE}, /* zero_atten */ + {FALSE, TRUE}, /* chn_prior */ + {AWE_DEFAULT_MOD_SENSE, TRUE}, /* modwheel sense */ + {AWE_DEFAULT_PRESET, TRUE}, /* def_preset */ + {AWE_DEFAULT_BANK, TRUE}, /* def_bank */ + {AWE_DEFAULT_DRUM, TRUE}, /* def_drum */ + {FALSE, TRUE}, /* toggle_drum_bank */ +}; + +static int misc_modes[AWE_MD_END]; + +static int awe_bass_level = 5; +static int awe_treble_level = 9; + + +static struct synth_info awe_info = { + "AWE32 Synth", /* name */ + 0, /* device */ + SYNTH_TYPE_SAMPLE, /* synth_type */ + SAMPLE_TYPE_AWE32, /* synth_subtype */ + 0, /* perc_mode (obsolete) */ + AWE_MAX_VOICES, /* nr_voices */ + 0, /* nr_drums (obsolete) */ + AWE_MAX_INFOS /* instr_bank_size */ +}; + + +static struct voice_alloc_info *voice_alloc; /* set at initialization */ + + +/*---------------------------------------------------------------- + * function prototypes + *----------------------------------------------------------------*/ + +#ifndef AWE_OBSOLETE_VOXWARE +static int awe_check_port(void); +static void awe_request_region(void); +static void awe_release_region(void); +#endif + +static void awe_reset_samples(void); +/* emu8000 chip i/o access */ +static void awe_poke(unsigned short cmd, unsigned short port, unsigned short data); +static void awe_poke_dw(unsigned short cmd, unsigned short port, unsigned int data); +static unsigned short awe_peek(unsigned short cmd, unsigned short port); +static unsigned int awe_peek_dw(unsigned short cmd, unsigned short port); +static void awe_wait(unsigned short delay); + +/* initialize emu8000 chip */ +static void awe_initialize(void); + +/* set voice parameters */ +static void awe_init_misc_modes(int init_all); +static void awe_init_voice_info(awe_voice_info *vp); +static void awe_init_voice_parm(awe_voice_parm *pp); +#ifdef AWE_HAS_GUS_COMPATIBILITY +static int freq_to_note(int freq); +static int calc_rate_offset(int Hz); +/*static int calc_parm_delay(int msec);*/ +static int calc_parm_hold(int msec); +static int calc_parm_attack(int msec); +static int calc_parm_decay(int msec); +static int calc_parm_search(int msec, short *table); +#endif + +/* turn on/off note */ +static void awe_note_on(int voice); +static void awe_note_off(int voice); +static void awe_terminate(int voice); +static void awe_exclusive_off(int voice); +static void awe_note_off_all(int do_sustain); + +/* calculate voice parameters */ +typedef void (*fx_affect_func)(int voice, int forced); +static void awe_set_pitch(int voice, int forced); +static void awe_set_voice_pitch(int voice, int forced); +static void awe_set_volume(int voice, int forced); +static void awe_set_voice_vol(int voice, int forced); +static void awe_set_pan(int voice, int forced); +static void awe_fx_fmmod(int voice, int forced); +static void awe_fx_tremfrq(int voice, int forced); +static void awe_fx_fm2frq2(int voice, int forced); +static void awe_fx_filterQ(int voice, int forced); +static void awe_calc_pitch(int voice); +#ifdef AWE_HAS_GUS_COMPATIBILITY +static void awe_calc_pitch_from_freq(int voice, int freq); +#endif +static void awe_calc_volume(int voice); +static void awe_voice_init(int voice, int init_all); +static void awe_channel_init(int ch, int init_all); +static void awe_fx_init(int ch); + +/* sequencer interface */ +static int awe_open(int dev, int mode); +static void awe_close(int dev); +static int awe_ioctl(int dev, unsigned int cmd, caddr_t arg); +static int awe_kill_note(int dev, int voice, int note, int velocity); +static int awe_start_note(int dev, int v, int note_num, int volume); +static int awe_set_instr(int dev, int voice, int instr_no); +static int awe_set_instr_2(int dev, int voice, int instr_no); +static void awe_reset(int dev); +static void awe_hw_control(int dev, unsigned char *event); +static int awe_load_patch(int dev, int format, const char *addr, + int offs, int count, int pmgr_flag); +static void awe_aftertouch(int dev, int voice, int pressure); +static void awe_controller(int dev, int voice, int ctrl_num, int value); +static void awe_panning(int dev, int voice, int value); +static void awe_volume_method(int dev, int mode); +#ifndef AWE_NO_PATCHMGR +static int awe_patchmgr(int dev, struct patmgr_info *rec); +#endif +static void awe_bender(int dev, int voice, int value); +static int awe_alloc(int dev, int chn, int note, struct voice_alloc_info *alloc); +static void awe_setup_voice(int dev, int voice, int chn); + +/* hardware controls */ +#ifdef AWE_HAS_GUS_COMPATIBILITY +static void awe_hw_gus_control(int dev, int cmd, unsigned char *event); +#endif +static void awe_hw_awe_control(int dev, int cmd, unsigned char *event); +static void awe_voice_change(int voice, fx_affect_func func); +static void awe_sostenuto_on(int voice, int forced); +static void awe_sustain_off(int voice, int forced); +static void awe_terminate_and_init(int voice, int forced); + +/* voice search */ +static int awe_search_instr(int bank, int preset); +static int awe_search_multi_voices(int rec, int note, int velocity, awe_voice_info **vlist); +static void awe_alloc_multi_voices(int ch, int note, int velocity, int key); +static void awe_alloc_one_voice(int voice, int note, int velocity); +static int awe_clear_voice(void); + +/* load / remove patches */ +static int awe_open_patch(awe_patch_info *patch, const char *addr, int count); +static int awe_close_patch(awe_patch_info *patch, const char *addr, int count); +static int awe_unload_patch(awe_patch_info *patch, const char *addr, int count); +static int awe_load_info(awe_patch_info *patch, const char *addr, int count); +static int awe_load_data(awe_patch_info *patch, const char *addr, int count); +static int awe_replace_data(awe_patch_info *patch, const char *addr, int count); +static int awe_load_map(awe_patch_info *patch, const char *addr, int count); +#ifdef AWE_HAS_GUS_COMPATIBILITY +static int awe_load_guspatch(const char *addr, int offs, int size, int pmgr_flag); +#endif +static int check_patch_opened(int type, char *name); +static int awe_write_wave_data(const char *addr, int offset, awe_sample_info *sp, int channels); +static void add_sf_info(int rec); +static void add_sf_sample(int rec); +static void purge_old_list(int rec, int next); +static void add_info_list(int rec); +static void awe_remove_samples(int sf_id); +static void rebuild_preset_list(void); +static short awe_set_sample(awe_voice_info *vp); + +/* lowlevel functions */ +static void awe_init_audio(void); +static void awe_init_dma(void); +static void awe_init_array(void); +static void awe_send_array(unsigned short *data); +static void awe_tweak_voice(int voice); +static void awe_tweak(void); +static void awe_init_fm(void); +static int awe_open_dram_for_write(int offset, int channels); +static void awe_open_dram_for_check(void); +static void awe_close_dram(void); +static void awe_write_dram(unsigned short c); +static int awe_detect_base(int addr); +static int awe_detect(void); +static int awe_check_dram(void); +static int awe_load_chorus_fx(awe_patch_info *patch, const char *addr, int count); +static void awe_set_chorus_mode(int mode); +static int awe_load_reverb_fx(awe_patch_info *patch, const char *addr, int count); +static void awe_set_reverb_mode(int mode); +static void awe_equalizer(int bass, int treble); +#ifdef CONFIG_AWE32_MIXER +static int awe_mixer_ioctl(int dev, unsigned int cmd, caddr_t arg); +#endif + +/* define macros for compatibility */ +#ifdef __FreeBSD__ +# include <i386/isa/sound/awe_compat.h> +#else +# include "awe_compat.h" +#endif + +/*---------------------------------------------------------------- + * synth operation table + *----------------------------------------------------------------*/ + +static struct synth_operations awe_operations = +{ +#ifdef AWE_OSS38 + "EMU8K", +#endif + &awe_info, + 0, + SYNTH_TYPE_SAMPLE, + SAMPLE_TYPE_AWE32, + awe_open, + awe_close, + awe_ioctl, + awe_kill_note, + awe_start_note, + awe_set_instr_2, + awe_reset, + awe_hw_control, + awe_load_patch, + awe_aftertouch, + awe_controller, + awe_panning, + awe_volume_method, +#ifndef AWE_NO_PATCHMGR + awe_patchmgr, +#endif + awe_bender, + awe_alloc, + awe_setup_voice +}; + +#ifdef CONFIG_AWE32_MIXER +static struct mixer_operations awe_mixer_operations = { +#ifndef __FreeBSD__ + "AWE32", +#endif + "AWE32 Equalizer", + awe_mixer_ioctl, +}; +#endif + + +/*================================================================ + * attach / unload interface + *================================================================*/ + +#ifdef AWE_OBSOLETE_VOXWARE +#define ATTACH_DECL static +#else +#define ATTACH_DECL /**/ +#endif + +ATTACH_DECL +int attach_awe(void) +{ + /* check presence of AWE32 card */ + if (! awe_detect()) { + printk("AWE32: not detected\n"); + return 0; + } + + /* check AWE32 ports are available */ + if (awe_check_port()) { + printk("AWE32: I/O area already used.\n"); + return 0; + } + + /* set buffers to NULL */ + voices = NULL; + channels = NULL; + sflists = NULL; + samples = NULL; + infos = NULL; + + /* voice & channel info */ + voices = (voice_info*)my_malloc(AWE_MAX_VOICES * sizeof(voice_info)); + channels = (awe_chan_info*)my_malloc(AWE_MAX_CHANNELS * sizeof(awe_chan_info)); + + if (voices == NULL || channels == NULL) { + my_free(voices); + my_free(channels); + printk("AWE32: can't allocate sample tables\n"); + return 0; + } + + /* allocate sample tables */ + INIT_TABLE(sflists, max_sfs, AWE_MAX_SF_LISTS, sf_list); + INIT_TABLE(samples, max_samples, AWE_MAX_SAMPLES, awe_sample_list); + INIT_TABLE(infos, max_infos, AWE_MAX_INFOS, awe_voice_list); + + if (num_synths >= MAX_SYNTH_DEV) + printk("AWE32 Error: too many synthesizers\n"); + else { + voice_alloc = &awe_operations.alloc; + voice_alloc->max_voice = awe_max_voices; + synth_devs[num_synths++] = &awe_operations; + } + +#ifdef CONFIG_AWE32_MIXER + if (num_mixers < MAX_MIXER_DEV) { + mixer_devs[num_mixers++] = &awe_mixer_operations; + } +#endif + + /* reserve I/O ports for awedrv */ + awe_request_region(); + + /* clear all samples */ + awe_reset_samples(); + + /* intialize AWE32 hardware */ + awe_initialize(); + + sprintf(awe_info.name, "AWE32-%s (RAM%dk)", + AWEDRV_VERSION, awe_mem_size/1024); +#ifdef __FreeBSD__ + printk("awe0: <SoundBlaster EMU8000 MIDI (RAM%dk)>", awe_mem_size/1024); +#elif defined(AWE_DEBUG_ON) + printk("%s\n", awe_info.name); +#endif + + /* set default values */ + awe_init_misc_modes(TRUE); + + /* set reverb & chorus modes */ + awe_set_reverb_mode(reverb_mode); + awe_set_chorus_mode(chorus_mode); + + awe_present = TRUE; + + return 1; +} + + +#ifdef AWE_DYNAMIC_BUFFER +static void free_tables(void) +{ + my_free(sflists); + sflists = NULL; max_sfs = 0; + my_free(samples); + samples = NULL; max_samples = 0; + my_free(infos); + infos = NULL; max_infos = 0; +} +#else +#define free_buffers() /**/ +#endif + + +ATTACH_DECL +void unload_awe(void) +{ + if (awe_present) { + awe_reset_samples(); + awe_release_region(); + my_free(voices); + my_free(channels); + free_tables(); + awe_present = FALSE; + } +} + + +/*---------------------------------------------------------------- + * old type interface + *----------------------------------------------------------------*/ + +#ifdef AWE_OBSOLETE_VOXWARE + +#ifdef __FreeBSD__ +long attach_awe_obsolete(long mem_start, struct address_info *hw_config) +#else +int attach_awe_obsolete(int mem_start, struct address_info *hw_config) +#endif +{ + my_malloc_init(mem_start); + if (! attach_awe()) + return 0; + return my_malloc_memptr(); +} + +int probe_awe_obsolete(struct address_info *hw_config) +{ + return 1; + /*return awe_detect();*/ +} + +#endif + + +/*================================================================ + * clear sample tables + *================================================================*/ + +static void +awe_reset_samples(void) +{ + int i; + + /* free all bank tables */ + for (i = 0; i < AWE_MAX_PRESETS; i++) + preset_table[i] = -1; + + free_tables(); + + current_sf_id = 0; + locked_sf_id = 0; + patch_opened = 0; +} + + +/*================================================================ + * EMU register access + *================================================================*/ + +/* select a given AWE32 pointer */ +static int awe_cur_cmd = -1; +#define awe_set_cmd(cmd) \ +if (awe_cur_cmd != cmd) { OUTW(cmd, awe_base + 0x802); awe_cur_cmd = cmd; } +#define awe_port(port) (awe_base - 0x620 + port) + +/* write 16bit data */ +INLINE static void +awe_poke(unsigned short cmd, unsigned short port, unsigned short data) +{ + awe_set_cmd(cmd); + OUTW(data, awe_port(port)); +} + +/* write 32bit data */ +INLINE static void +awe_poke_dw(unsigned short cmd, unsigned short port, unsigned int data) +{ + awe_set_cmd(cmd); + OUTW(data, awe_port(port)); /* write lower 16 bits */ + OUTW(data >> 16, awe_port(port)+2); /* write higher 16 bits */ +} + +/* read 16bit data */ +INLINE static unsigned short +awe_peek(unsigned short cmd, unsigned short port) +{ + unsigned short k; + awe_set_cmd(cmd); + k = inw(awe_port(port)); + return k; +} + +/* read 32bit data */ +INLINE static unsigned int +awe_peek_dw(unsigned short cmd, unsigned short port) +{ + unsigned int k1, k2; + awe_set_cmd(cmd); + k1 = inw(awe_port(port)); + k2 = inw(awe_port(port)+2); + k1 |= k2 << 16; + return k1; +} + +/* wait delay number of AWE32 44100Hz clocks */ +static void +awe_wait(unsigned short delay) +{ + unsigned short clock, target; + unsigned short port = awe_port(AWE_WC_Port); + int counter; + + /* sample counter */ + awe_set_cmd(AWE_WC_Cmd); + clock = (unsigned short)inw(port); + target = clock + delay; + counter = 0; + if (target < clock) { + for (; (unsigned short)inw(port) > target; counter++) + if (counter > 65536) + break; + } + for (; (unsigned short)inw(port) < target; counter++) + if (counter > 65536) + break; +} + +/* write a word data */ +INLINE static void +awe_write_dram(unsigned short c) +{ + awe_poke(AWE_SMLD, c); +} + + +#ifndef AWE_OBSOLETE_VOXWARE + +/*================================================================ + * port check / request + * 0x620-622, 0xA20-A22, 0xE20-E22 + *================================================================*/ + +static int +awe_check_port(void) +{ + return (check_region(awe_port(Data0), 4) || + check_region(awe_port(Data1), 4) || + check_region(awe_port(Data3), 4)); +} + +static void +awe_request_region(void) +{ + request_region(awe_port(Data0), 4, "sound driver (AWE32)"); + request_region(awe_port(Data1), 4, "sound driver (AWE32)"); + request_region(awe_port(Data3), 4, "sound driver (AWE32)"); +} + +static void +awe_release_region(void) +{ + release_region(awe_port(Data0), 4); + release_region(awe_port(Data1), 4); + release_region(awe_port(Data3), 4); +} + +#endif /* !AWE_OBSOLETE_VOXWARE */ + + +/*================================================================ + * AWE32 initialization + *================================================================*/ +static void +awe_initialize(void) +{ + DEBUG(0,printk("AWE32: initializing..\n")); + + /* initialize hardware configuration */ + awe_poke(AWE_HWCF1, 0x0059); + awe_poke(AWE_HWCF2, 0x0020); + + /* disable audio; this seems to reduce a clicking noise a bit.. */ + awe_poke(AWE_HWCF3, 0); + + /* initialize audio channels */ + awe_init_audio(); + + /* initialize DMA */ + awe_init_dma(); + + /* initialize init array */ + awe_init_array(); + + /* check DRAM memory size */ + awe_mem_size = awe_check_dram(); + + /* initialize the FM section of the AWE32 */ + awe_init_fm(); + + /* set up voice envelopes */ + awe_tweak(); + + /* enable audio */ + awe_poke(AWE_HWCF3, 0x0004); + + /* set equalizer */ + awe_equalizer(5, 9); +} + + +/*================================================================ + * AWE32 voice parameters + *================================================================*/ + +/* initialize voice_info record */ +static void +awe_init_voice_info(awe_voice_info *vp) +{ + vp->sf_id = 0; /* normal mode */ + vp->sample = 0; + vp->rate_offset = 0; + + vp->start = 0; + vp->end = 0; + vp->loopstart = 0; + vp->loopend = 0; + vp->mode = 0; + vp->root = 60; + vp->tune = 0; + vp->low = 0; + vp->high = 127; + vp->vellow = 0; + vp->velhigh = 127; + + vp->fixkey = -1; + vp->fixvel = -1; + vp->fixpan = -1; + vp->pan = -1; + + vp->exclusiveClass = 0; + vp->amplitude = 127; + vp->attenuation = 0; + vp->scaleTuning = 100; + + awe_init_voice_parm(&vp->parm); +} + +/* initialize voice_parm record: + * Env1/2: delay=0, attack=0, hold=0, sustain=0, decay=0, release=0. + * Vibrato and Tremolo effects are zero. + * Cutoff is maximum. + * Chorus and Reverb effects are zero. + */ +static void +awe_init_voice_parm(awe_voice_parm *pp) +{ + pp->moddelay = 0x8000; + pp->modatkhld = 0x7f7f; + pp->moddcysus = 0x7f7f; + pp->modrelease = 0x807f; + pp->modkeyhold = 0; + pp->modkeydecay = 0; + + pp->voldelay = 0x8000; + pp->volatkhld = 0x7f7f; + pp->voldcysus = 0x7f7f; + pp->volrelease = 0x807f; + pp->volkeyhold = 0; + pp->volkeydecay = 0; + + pp->lfo1delay = 0x8000; + pp->lfo2delay = 0x8000; + pp->pefe = 0; + + pp->fmmod = 0; + pp->tremfrq = 0; + pp->fm2frq2 = 0; + + pp->cutoff = 0xff; + pp->filterQ = 0; + + pp->chorus = 0; + pp->reverb = 0; +} + + +#ifdef AWE_HAS_GUS_COMPATIBILITY + +/* convert frequency mHz to abstract cents (= midi key * 100) */ +static int +freq_to_note(int mHz) +{ + /* abscents = log(mHz/8176) / log(2) * 1200 */ + unsigned int max_val = (unsigned int)0xffffffff / 10000; + int i, times; + unsigned int base; + unsigned int freq; + int note, tune; + + if (mHz == 0) + return 0; + if (mHz < 0) + return 12799; /* maximum */ + + freq = mHz; + note = 0; + for (base = 8176 * 2; freq >= base; base *= 2) { + note += 12; + if (note >= 128) /* over maximum */ + return 12799; + } + base /= 2; + + /* to avoid overflow... */ + times = 10000; + while (freq > max_val) { + max_val *= 10; + times /= 10; + base /= 10; + } + + freq = freq * times / base; + for (i = 0; i < 12; i++) { + if (freq < semitone_tuning[i+1]) + break; + note++; + } + + tune = 0; + freq = freq * 10000 / semitone_tuning[i]; + for (i = 0; i < 100; i++) { + if (freq < cent_tuning[i+1]) + break; + tune++; + } + + return note * 100 + tune; +} + + +/* convert Hz to AWE32 rate offset: + * sample pitch offset for the specified sample rate + * rate=44100 is no offset, each 4096 is 1 octave (twice). + * eg, when rate is 22050, this offset becomes -4096. + */ +static int +calc_rate_offset(int Hz) +{ + /* offset = log(Hz / 44100) / log(2) * 4096 */ + int freq, base, i; + + /* maybe smaller than max (44100Hz) */ + if (Hz <= 0 || Hz >= 44100) return 0; + + base = 0; + for (freq = Hz * 2; freq < 44100; freq *= 2) + base++; + base *= 1200; + + freq = 44100 * 10000 / (freq/2); + for (i = 0; i < 12; i++) { + if (freq < semitone_tuning[i+1]) + break; + base += 100; + } + freq = freq * 10000 / semitone_tuning[i]; + for (i = 0; i < 100; i++) { + if (freq < cent_tuning[i+1]) + break; + base++; + } + return -base * 4096 / 1200; +} + + +/*---------------------------------------------------------------- + * convert envelope time parameter to AWE32 raw parameter + *----------------------------------------------------------------*/ + +/* attack & decay/release time table (msec) */ +static short attack_time_tbl[128] = { +32767, 11878, 5939, 3959, 2969, 2375, 1979, 1696, 1484, 1319, 1187, 1079, 989, 913, 848, 791, 742, + 698, 659, 625, 593, 565, 539, 516, 494, 475, 456, 439, 424, 409, 395, 383, 371, + 359, 344, 330, 316, 302, 290, 277, 266, 255, 244, 233, 224, 214, 205, 196, 188, + 180, 173, 165, 158, 152, 145, 139, 133, 127, 122, 117, 112, 107, 103, 98, 94, + 90, 86, 83, 79, 76, 73, 69, 67, 64, 61, 58, 56, 54, 51, 49, 47, + 45, 43, 41, 39, 38, 36, 35, 33, 32, 30, 29, 28, 27, 25, 24, 23, + 22, 21, 20, 20, 19, 18, 17, 16, 16, 15, 14, 14, 13, 13, 12, 11, + 11, 10, 10, 10, 9, 9, 8, 8, 8, 7, 7, 7, 6, 6, 0, +}; + +static short decay_time_tbl[128] = { +32767, 32766, 4589, 4400, 4219, 4045, 3879, 3719, 3566, 3419, 3279, 3144, 3014, 2890, 2771, 2657, + 2548, 2443, 2343, 2246, 2154, 2065, 1980, 1899, 1820, 1746, 1674, 1605, 1539, 1475, 1415, 1356, + 1301, 1247, 1196, 1146, 1099, 1054, 1011, 969, 929, 891, 854, 819, 785, 753, 722, 692, + 664, 636, 610, 585, 561, 538, 516, 494, 474, 455, 436, 418, 401, 384, 368, 353, + 339, 325, 311, 298, 286, 274, 263, 252, 242, 232, 222, 213, 204, 196, 188, 180, + 173, 166, 159, 152, 146, 140, 134, 129, 123, 118, 113, 109, 104, 100, 96, 92, + 88, 84, 81, 77, 74, 71, 68, 65, 63, 60, 58, 55, 53, 51, 49, 47, + 45, 43, 41, 39, 38, 36, 35, 33, 32, 30, 29, 28, 27, 26, 25, 24, +}; + +/* +static int +calc_parm_delay(int msec) +{ + return (0x8000 - msec * 1000 / 725); +} +*/ + +/* delay time = 0x8000 - msec/92 */ +static int +calc_parm_hold(int msec) +{ + int val = (0x7f * 92 - msec) / 92; + if (val < 1) val = 1; + if (val > 127) val = 127; + return val; +} + +/* attack time: search from time table */ +static int +calc_parm_attack(int msec) +{ + return calc_parm_search(msec, attack_time_tbl); +} + +/* decay/release time: search from time table */ +static int +calc_parm_decay(int msec) +{ + return calc_parm_search(msec, decay_time_tbl); +} + +/* search an index for specified time from given time table */ +static int +calc_parm_search(int msec, short *table) +{ + int left = 1, right = 127, mid; + while (left < right) { + mid = (left + right) / 2; + if (msec < (int)table[mid]) + left = mid + 1; + else + right = mid; + } + return left; +} +#endif /* AWE_HAS_GUS_COMPATIBILITY */ + + +/*================================================================ + * effects table + *================================================================*/ + +/* set an effect value */ +#define FX_FLAG_OFF 0 +#define FX_FLAG_SET 1 +#define FX_FLAG_ADD 2 + +#define FX_SET(rec,type,value) \ + ((rec)->flags[type] = FX_FLAG_SET, (rec)->val[type] = (value)) +#define FX_ADD(rec,type,value) \ + ((rec)->flags[type] = FX_FLAG_ADD, (rec)->val[type] = (value)) +#define FX_UNSET(rec,type) \ + ((rec)->flags[type] = FX_FLAG_OFF, (rec)->val[type] = 0) + +/* check the effect value is set */ +#define FX_ON(rec,type) ((rec)->flags[type]) + +#define PARM_BYTE 0 +#define PARM_WORD 1 + +static struct PARM_DEFS { + int type; /* byte or word */ + int low, high; /* value range */ + fx_affect_func realtime; /* realtime paramater change */ +} parm_defs[] = { + {PARM_WORD, 0, 0x8000, NULL}, /* env1 delay */ + {PARM_BYTE, 1, 0x7f, NULL}, /* env1 attack */ + {PARM_BYTE, 0, 0x7e, NULL}, /* env1 hold */ + {PARM_BYTE, 1, 0x7f, NULL}, /* env1 decay */ + {PARM_BYTE, 1, 0x7f, NULL}, /* env1 release */ + {PARM_BYTE, 0, 0x7f, NULL}, /* env1 sustain */ + {PARM_BYTE, 0, 0xff, NULL}, /* env1 pitch */ + {PARM_BYTE, 0, 0xff, NULL}, /* env1 cutoff */ + + {PARM_WORD, 0, 0x8000, NULL}, /* env2 delay */ + {PARM_BYTE, 1, 0x7f, NULL}, /* env2 attack */ + {PARM_BYTE, 0, 0x7e, NULL}, /* env2 hold */ + {PARM_BYTE, 1, 0x7f, NULL}, /* env2 decay */ + {PARM_BYTE, 1, 0x7f, NULL}, /* env2 release */ + {PARM_BYTE, 0, 0x7f, NULL}, /* env2 sustain */ + + {PARM_WORD, 0, 0x8000, NULL}, /* lfo1 delay */ + {PARM_BYTE, 0, 0xff, awe_fx_tremfrq}, /* lfo1 freq */ + {PARM_BYTE, 0, 0x7f, awe_fx_tremfrq}, /* lfo1 volume (positive only)*/ + {PARM_BYTE, 0, 0x7f, awe_fx_fmmod}, /* lfo1 pitch (positive only)*/ + {PARM_BYTE, 0, 0xff, awe_fx_fmmod}, /* lfo1 cutoff (positive only)*/ + + {PARM_WORD, 0, 0x8000, NULL}, /* lfo2 delay */ + {PARM_BYTE, 0, 0xff, awe_fx_fm2frq2}, /* lfo2 freq */ + {PARM_BYTE, 0, 0x7f, awe_fx_fm2frq2}, /* lfo2 pitch (positive only)*/ + + {PARM_WORD, 0, 0xffff, awe_set_voice_pitch}, /* initial pitch */ + {PARM_BYTE, 0, 0xff, NULL}, /* chorus */ + {PARM_BYTE, 0, 0xff, NULL}, /* reverb */ + {PARM_BYTE, 0, 0xff, awe_set_volume}, /* initial cutoff */ + {PARM_BYTE, 0, 15, awe_fx_filterQ}, /* initial resonance */ + + {PARM_WORD, 0, 0xffff, NULL}, /* sample start */ + {PARM_WORD, 0, 0xffff, NULL}, /* loop start */ + {PARM_WORD, 0, 0xffff, NULL}, /* loop end */ + {PARM_WORD, 0, 0xffff, NULL}, /* coarse sample start */ + {PARM_WORD, 0, 0xffff, NULL}, /* coarse loop start */ + {PARM_WORD, 0, 0xffff, NULL}, /* coarse loop end */ + {PARM_BYTE, 0, 0xff, awe_set_volume}, /* initial attenuation */ +}; + + +static unsigned char +FX_BYTE(FX_Rec *rec, FX_Rec *lay, int type, unsigned char value) +{ + int effect = 0; + int on = 0; + if (lay && (on = FX_ON(lay, type)) != 0) + effect = lay->val[type]; + if (!on && (on = FX_ON(rec, type)) != 0) + effect = rec->val[type]; + if (on == FX_FLAG_ADD) + effect += (int)value; + if (on) { + if (effect < parm_defs[type].low) + effect = parm_defs[type].low; + else if (effect > parm_defs[type].high) + effect = parm_defs[type].high; + return (unsigned char)effect; + } + return value; +} + +/* get word effect value */ +static unsigned short +FX_WORD(FX_Rec *rec, FX_Rec *lay, int type, unsigned short value) +{ + int effect = 0; + int on = 0; + if (lay && (on = FX_ON(lay, type)) != 0) + effect = lay->val[type]; + if (!on && (on = FX_ON(rec, type)) != 0) + effect = rec->val[type]; + if (on == FX_FLAG_ADD) + effect += (int)value; + if (on) { + if (effect < parm_defs[type].low) + effect = parm_defs[type].low; + else if (effect > parm_defs[type].high) + effect = parm_defs[type].high; + return (unsigned short)effect; + } + return value; +} + +/* get word (upper=type1/lower=type2) effect value */ +static unsigned short +FX_COMB(FX_Rec *rec, FX_Rec *lay, int type1, int type2, unsigned short value) +{ + unsigned short tmp; + tmp = FX_BYTE(rec, lay, type1, (unsigned char)(value >> 8)); + tmp <<= 8; + tmp |= FX_BYTE(rec, lay, type2, (unsigned char)(value & 0xff)); + return tmp; +} + +/* address offset */ +static int +FX_OFFSET(FX_Rec *rec, FX_Rec *lay, int lo, int hi, int mode) +{ + int addr = 0; + if (lay && FX_ON(lay, hi)) + addr = (short)lay->val[hi]; + else if (FX_ON(rec, hi)) + addr = (short)rec->val[hi]; + addr = addr << 15; + if (lay && FX_ON(lay, lo)) + addr += (short)lay->val[lo]; + else if (FX_ON(rec, lo)) + addr += (short)rec->val[lo]; + if (!(mode & AWE_SAMPLE_8BITS)) + addr /= 2; + return addr; +} + + +/*================================================================ + * turn on/off sample + *================================================================*/ + +static void +awe_note_on(int voice) +{ + unsigned int temp; + int addr; + awe_voice_info *vp; + FX_Rec *fx = &voices[voice].cinfo->fx; + FX_Rec *fx_lay = NULL; + if (voices[voice].layer < MAX_LAYERS) + fx_lay = &voices[voice].cinfo->fx_layer[voices[voice].layer]; + + /* A voice sample must assigned before calling */ + if ((vp = voices[voice].sample) == NULL || vp->index < 0) + return; + + /* channel to be silent and idle */ + awe_poke(AWE_DCYSUSV(voice), 0x0080); + awe_poke(AWE_VTFT(voice), 0); + awe_poke(AWE_CVCF(voice), 0); + awe_poke(AWE_PTRX(voice), 0); + awe_poke(AWE_CPF(voice), 0); + + /* modulation & volume envelope */ + awe_poke(AWE_ENVVAL(voice), + FX_WORD(fx, fx_lay, AWE_FX_ENV1_DELAY, vp->parm.moddelay)); + awe_poke(AWE_ATKHLD(voice), + FX_COMB(fx, fx_lay, AWE_FX_ENV1_HOLD, AWE_FX_ENV1_ATTACK, + vp->parm.modatkhld)); + awe_poke(AWE_DCYSUS(voice), + FX_COMB(fx, fx_lay, AWE_FX_ENV1_SUSTAIN, AWE_FX_ENV1_DECAY, + vp->parm.moddcysus)); + awe_poke(AWE_ENVVOL(voice), + FX_WORD(fx, fx_lay, AWE_FX_ENV2_DELAY, vp->parm.voldelay)); + awe_poke(AWE_ATKHLDV(voice), + FX_COMB(fx, fx_lay, AWE_FX_ENV2_HOLD, AWE_FX_ENV2_ATTACK, + vp->parm.volatkhld)); + /* decay/sustain parameter for volume envelope must be set at last */ + + /* pitch offset */ + awe_set_pitch(voice, TRUE); + + /* cutoff and volume */ + awe_set_volume(voice, TRUE); + + /* modulation envelope heights */ + awe_poke(AWE_PEFE(voice), + FX_COMB(fx, fx_lay, AWE_FX_ENV1_PITCH, AWE_FX_ENV1_CUTOFF, + vp->parm.pefe)); + + /* lfo1/2 delay */ + awe_poke(AWE_LFO1VAL(voice), + FX_WORD(fx, fx_lay, AWE_FX_LFO1_DELAY, vp->parm.lfo1delay)); + awe_poke(AWE_LFO2VAL(voice), + FX_WORD(fx, fx_lay, AWE_FX_LFO2_DELAY, vp->parm.lfo2delay)); + + /* lfo1 pitch & cutoff shift */ + awe_fx_fmmod(voice, TRUE); + /* lfo1 volume & freq */ + awe_fx_tremfrq(voice, TRUE); + /* lfo2 pitch & freq */ + awe_fx_fm2frq2(voice, TRUE); + /* pan & loop start */ + awe_set_pan(voice, TRUE); + + /* chorus & loop end (chorus 8bit, MSB) */ + addr = vp->loopend - 1; + addr += FX_OFFSET(fx, fx_lay, AWE_FX_LOOP_END, + AWE_FX_COARSE_LOOP_END, vp->mode); + temp = FX_BYTE(fx, fx_lay, AWE_FX_CHORUS, vp->parm.chorus); + temp = (temp <<24) | (unsigned int)addr; + awe_poke_dw(AWE_CSL(voice), temp); + DEBUG(4,printk("AWE32: [-- loopend=%x/%x]\n", vp->loopend, addr)); + + /* Q & current address (Q 4bit value, MSB) */ + addr = vp->start - 1; + addr += FX_OFFSET(fx, fx_lay, AWE_FX_SAMPLE_START, + AWE_FX_COARSE_SAMPLE_START, vp->mode); + temp = FX_BYTE(fx, fx_lay, AWE_FX_FILTERQ, vp->parm.filterQ); + temp = (temp<<28) | (unsigned int)addr; + awe_poke_dw(AWE_CCCA(voice), temp); + DEBUG(4,printk("AWE32: [-- startaddr=%x/%x]\n", vp->start, addr)); + + /* reset volume */ + awe_poke_dw(AWE_VTFT(voice), 0x0000FFFF); + awe_poke_dw(AWE_CVCF(voice), 0x0000FFFF); + + /* turn on envelope */ + awe_poke(AWE_DCYSUSV(voice), + FX_COMB(fx, fx_lay, AWE_FX_ENV2_SUSTAIN, AWE_FX_ENV2_DECAY, + vp->parm.voldcysus)); + /* set reverb */ + temp = FX_BYTE(fx, fx_lay, AWE_FX_REVERB, vp->parm.reverb); + temp = (awe_peek_dw(AWE_PTRX(voice)) & 0xffff0000) | (temp<<8); + awe_poke_dw(AWE_PTRX(voice), temp); + awe_poke_dw(AWE_CPF(voice), 0x40000000); + + voices[voice].state = AWE_ST_ON; + + /* clear voice position for the next note on this channel */ + if (SINGLE_LAYER_MODE()) { + FX_UNSET(fx, AWE_FX_SAMPLE_START); + FX_UNSET(fx, AWE_FX_COARSE_SAMPLE_START); + } +} + + +/* turn off the voice */ +static void +awe_note_off(int voice) +{ + awe_voice_info *vp; + unsigned short tmp; + FX_Rec *fx = &voices[voice].cinfo->fx; + FX_Rec *fx_lay = NULL; + if (voices[voice].layer < MAX_LAYERS) + fx_lay = &voices[voice].cinfo->fx_layer[voices[voice].layer]; + + if ((vp = voices[voice].sample) == NULL) { + voices[voice].state = AWE_ST_OFF; + return; + } + + tmp = 0x8000 | FX_BYTE(fx, fx_lay, AWE_FX_ENV1_RELEASE, + (unsigned char)vp->parm.modrelease); + awe_poke(AWE_DCYSUS(voice), tmp); + tmp = 0x8000 | FX_BYTE(fx, fx_lay, AWE_FX_ENV2_RELEASE, + (unsigned char)vp->parm.volrelease); + awe_poke(AWE_DCYSUSV(voice), tmp); + voices[voice].state = AWE_ST_RELEASED; +} + +/* force to terminate the voice (no releasing echo) */ +static void +awe_terminate(int voice) +{ + awe_poke(AWE_DCYSUSV(voice), 0x807F); + awe_tweak_voice(voice); + voices[voice].state = AWE_ST_OFF; +} + +/* turn off other voices with the same exclusive class (for drums) */ +static void +awe_exclusive_off(int voice) +{ + int i, exclass; + + if (voices[voice].sample == NULL) + return; + if ((exclass = voices[voice].sample->exclusiveClass) == 0) + return; /* not exclusive */ + + /* turn off voices with the same class */ + for (i = 0; i < awe_max_voices; i++) { + if (i != voice && IS_PLAYING(i) && + voices[i].sample && voices[i].ch == voices[voice].ch && + voices[i].sample->exclusiveClass == exclass) { + DEBUG(4,printk("AWE32: [exoff(%d)]\n", i)); + awe_terminate(i); + awe_voice_init(i, TRUE); + } + } +} + + +/*================================================================ + * change the parameters of an audible voice + *================================================================*/ + +/* change pitch */ +static void +awe_set_pitch(int voice, int forced) +{ + if (IS_NO_EFFECT(voice) && !forced) return; + awe_poke(AWE_IP(voice), voices[voice].apitch); + DEBUG(3,printk("AWE32: [-- pitch=%x]\n", voices[voice].apitch)); +} + +/* calculate & change pitch */ +static void +awe_set_voice_pitch(int voice, int forced) +{ + awe_calc_pitch(voice); + awe_set_pitch(voice, forced); +} + +/* change volume & cutoff */ +static void +awe_set_volume(int voice, int forced) +{ + awe_voice_info *vp; + unsigned short tmp2; + FX_Rec *fx = &voices[voice].cinfo->fx; + FX_Rec *fx_lay = NULL; + if (voices[voice].layer < MAX_LAYERS) + fx_lay = &voices[voice].cinfo->fx_layer[voices[voice].layer]; + + if (!IS_PLAYING(voice) && !forced) return; + if ((vp = voices[voice].sample) == NULL || vp->index < 0) + return; + + tmp2 = FX_BYTE(fx, fx_lay, AWE_FX_CUTOFF, vp->parm.cutoff); + tmp2 = (tmp2 << 8); + tmp2 |= FX_BYTE(fx, fx_lay, AWE_FX_ATTEN, + (unsigned char)voices[voice].avol); + awe_poke(AWE_IFATN(voice), tmp2); +} + +/* calculate & change volume */ +static void +awe_set_voice_vol(int voice, int forced) +{ + if (IS_EMPTY(voice)) + return; + awe_calc_volume(voice); + awe_set_volume(voice, forced); +} + + +/* change pan; this could make a click noise.. */ +static void +awe_set_pan(int voice, int forced) +{ + unsigned int temp; + int addr; + awe_voice_info *vp; + FX_Rec *fx = &voices[voice].cinfo->fx; + FX_Rec *fx_lay = NULL; + if (voices[voice].layer < MAX_LAYERS) + fx_lay = &voices[voice].cinfo->fx_layer[voices[voice].layer]; + + if (IS_NO_EFFECT(voice) && !forced) return; + if ((vp = voices[voice].sample) == NULL || vp->index < 0) + return; + + /* pan & loop start (pan 8bit, MSB, 0:right, 0xff:left) */ + if (vp->fixpan > 0) /* 0-127 */ + temp = 255 - (int)vp->fixpan * 2; + else { + int pos = 0; + if (vp->pan >= 0) /* 0-127 */ + pos = (int)vp->pan * 2 - 128; + pos += voices[voice].cinfo->panning; /* -128 - 127 */ + pos = 127 - pos; + if (pos < 0) + temp = 0; + else if (pos > 255) + temp = 255; + else + temp = pos; + } + if (forced || temp != voices[voice].apan) { + addr = vp->loopstart - 1; + addr += FX_OFFSET(fx, fx_lay, AWE_FX_LOOP_START, + AWE_FX_COARSE_LOOP_START, vp->mode); + temp = (temp<<24) | (unsigned int)addr; + awe_poke_dw(AWE_PSST(voice), temp); + voices[voice].apan = temp; + DEBUG(4,printk("AWE32: [-- loopstart=%x/%x]\n", vp->loopstart, addr)); + } +} + +/* effects change during playing */ +static void +awe_fx_fmmod(int voice, int forced) +{ + awe_voice_info *vp; + FX_Rec *fx = &voices[voice].cinfo->fx; + FX_Rec *fx_lay = NULL; + if (voices[voice].layer < MAX_LAYERS) + fx_lay = &voices[voice].cinfo->fx_layer[voices[voice].layer]; + + if (IS_NO_EFFECT(voice) && !forced) return; + if ((vp = voices[voice].sample) == NULL || vp->index < 0) + return; + awe_poke(AWE_FMMOD(voice), + FX_COMB(fx, fx_lay, AWE_FX_LFO1_PITCH, AWE_FX_LFO1_CUTOFF, + vp->parm.fmmod)); +} + +/* set tremolo (lfo1) volume & frequency */ +static void +awe_fx_tremfrq(int voice, int forced) +{ + awe_voice_info *vp; + FX_Rec *fx = &voices[voice].cinfo->fx; + FX_Rec *fx_lay = NULL; + if (voices[voice].layer < MAX_LAYERS) + fx_lay = &voices[voice].cinfo->fx_layer[voices[voice].layer]; + + if (IS_NO_EFFECT(voice) && !forced) return; + if ((vp = voices[voice].sample) == NULL || vp->index < 0) + return; + awe_poke(AWE_TREMFRQ(voice), + FX_COMB(fx, fx_lay, AWE_FX_LFO1_VOLUME, AWE_FX_LFO1_FREQ, + vp->parm.tremfrq)); +} + +/* set lfo2 pitch & frequency */ +static void +awe_fx_fm2frq2(int voice, int forced) +{ + awe_voice_info *vp; + FX_Rec *fx = &voices[voice].cinfo->fx; + FX_Rec *fx_lay = NULL; + if (voices[voice].layer < MAX_LAYERS) + fx_lay = &voices[voice].cinfo->fx_layer[voices[voice].layer]; + + if (IS_NO_EFFECT(voice) && !forced) return; + if ((vp = voices[voice].sample) == NULL || vp->index < 0) + return; + awe_poke(AWE_FM2FRQ2(voice), + FX_COMB(fx, fx_lay, AWE_FX_LFO2_PITCH, AWE_FX_LFO2_FREQ, + vp->parm.fm2frq2)); +} + + +/* Q & current address (Q 4bit value, MSB) */ +static void +awe_fx_filterQ(int voice, int forced) +{ + unsigned int addr; + awe_voice_info *vp; + FX_Rec *fx = &voices[voice].cinfo->fx; + FX_Rec *fx_lay = NULL; + if (voices[voice].layer < MAX_LAYERS) + fx_lay = &voices[voice].cinfo->fx_layer[voices[voice].layer]; + + if (IS_NO_EFFECT(voice) && !forced) return; + if ((vp = voices[voice].sample) == NULL || vp->index < 0) + return; + + addr = awe_peek_dw(AWE_CCCA(voice)) & 0xffffff; + addr |= (FX_BYTE(fx, fx_lay, AWE_FX_FILTERQ, vp->parm.filterQ) << 28); + awe_poke_dw(AWE_CCCA(voice), addr); +} + +/*================================================================ + * calculate pitch offset + *---------------------------------------------------------------- + * 0xE000 is no pitch offset at 44100Hz sample. + * Every 4096 is one octave. + *================================================================*/ + +static void +awe_calc_pitch(int voice) +{ + voice_info *vp = &voices[voice]; + awe_voice_info *ap; + awe_chan_info *cp = voices[voice].cinfo; + int offset; + + /* search voice information */ + if ((ap = vp->sample) == NULL) + return; + if (ap->index < 0) { + DEBUG(3,printk("AWE32: set sample (%d)\n", ap->sample)); + if (awe_set_sample(ap) < 0) + return; + } + + /* calculate offset */ + if (ap->fixkey >= 0) { + DEBUG(3,printk("AWE32: p-> fixkey(%d) tune(%d)\n", ap->fixkey, ap->tune)); + offset = (ap->fixkey - ap->root) * 4096 / 12; + } else { + DEBUG(3,printk("AWE32: p(%d)-> root(%d) tune(%d)\n", vp->note, ap->root, ap->tune)); + offset = (vp->note - ap->root) * 4096 / 12; + DEBUG(4,printk("AWE32: p-> ofs=%d\n", offset)); + } + offset = (offset * ap->scaleTuning) / 100; + DEBUG(4,printk("AWE32: p-> scale* ofs=%d\n", offset)); + offset += ap->tune * 4096 / 1200; + DEBUG(4,printk("AWE32: p-> tune+ ofs=%d\n", offset)); + if (cp->bender != 0) { + DEBUG(3,printk("AWE32: p-> bend(%d) %d\n", voice, cp->bender)); + /* (819200: 1 semitone) ==> (4096: 12 semitones) */ + offset += cp->bender * cp->bender_range / 2400; + } + + /* add initial pitch correction */ + if (FX_ON(&cp->fx_layer[vp->layer], AWE_FX_INIT_PITCH)) + offset += cp->fx_layer[vp->layer].val[AWE_FX_INIT_PITCH]; + else if (FX_ON(&cp->fx, AWE_FX_INIT_PITCH)) + offset += cp->fx.val[AWE_FX_INIT_PITCH]; + + /* 0xe000: root pitch */ + vp->apitch = 0xe000 + ap->rate_offset + offset; + DEBUG(4,printk("AWE32: p-> sum aofs=%x, rate_ofs=%d\n", vp->apitch, ap->rate_offset)); + if (vp->apitch > 0xffff) + vp->apitch = 0xffff; + if (vp->apitch < 0) + vp->apitch = 0; +} + + +#ifdef AWE_HAS_GUS_COMPATIBILITY +/* calculate MIDI key and semitone from the specified frequency */ +static void +awe_calc_pitch_from_freq(int voice, int freq) +{ + voice_info *vp = &voices[voice]; + awe_voice_info *ap; + FX_Rec *fx = &voices[voice].cinfo->fx; + FX_Rec *fx_lay = NULL; + int offset; + int note; + + if (voices[voice].layer < MAX_LAYERS) + fx_lay = &voices[voice].cinfo->fx_layer[voices[voice].layer]; + + /* search voice information */ + if ((ap = vp->sample) == NULL) + return; + if (ap->index < 0) { + DEBUG(3,printk("AWE32: set sample (%d)\n", ap->sample)); + if (awe_set_sample(ap) < 0) + return; + } + note = freq_to_note(freq); + offset = (note - ap->root * 100 + ap->tune) * 4096 / 1200; + offset = (offset * ap->scaleTuning) / 100; + if (fx_lay && FX_ON(fx_lay, AWE_FX_INIT_PITCH)) + offset += fx_lay->val[AWE_FX_INIT_PITCH]; + else if (FX_ON(fx, AWE_FX_INIT_PITCH)) + offset += fx->val[AWE_FX_INIT_PITCH]; + vp->apitch = 0xe000 + ap->rate_offset + offset; + if (vp->apitch > 0xffff) + vp->apitch = 0xffff; + if (vp->apitch < 0) + vp->apitch = 0; +} +#endif /* AWE_HAS_GUS_COMPATIBILITY */ + + +/*================================================================ + * calculate volume attenuation + *---------------------------------------------------------------- + * Voice volume is controlled by volume attenuation parameter. + * So volume becomes maximum when avol is 0 (no attenuation), and + * minimum when 255 (-96dB or silence). + *================================================================*/ + +static int vol_table[128] = { + 255,111,95,86,79,74,70,66,63,61,58,56,54,52,50,49, + 47,46,45,43,42,41,40,39,38,37,36,35,34,34,33,32, + 31,31,30,29,29,28,27,27,26,26,25,24,24,23,23,22, + 22,21,21,21,20,20,19,19,18,18,18,17,17,16,16,16, + 15,15,15,14,14,14,13,13,13,12,12,12,11,11,11,10, + 10,10,10,9,9,9,8,8,8,8,7,7,7,7,6,6, + 6,6,5,5,5,5,5,4,4,4,4,3,3,3,3,3, + 2,2,2,2,2,1,1,1,1,1,0,0,0,0,0,0, +}; + +static void +awe_calc_volume(int voice) +{ + voice_info *vp = &voices[voice]; + awe_voice_info *ap; + awe_chan_info *cp = voices[voice].cinfo; + int vol; + + /* search voice information */ + if ((ap = vp->sample) == NULL) + return; + + ap = vp->sample; + if (ap->index < 0) { + DEBUG(3,printk("AWE32: set sample (%d)\n", ap->sample)); + if (awe_set_sample(ap) < 0) + return; + } + + /* 0 - 127 */ + vol = (vp->velocity * cp->main_vol * cp->expression_vol) / (127*127); + vol = vol * ap->amplitude / 127; + + if (vol < 0) vol = 0; + if (vol > 127) vol = 127; + + /* calc to attenuation */ + vol = vol_table[vol]; + vol = vol + (int)ap->attenuation + init_atten; + if (vol > 255) vol = 255; + + vp->avol = vol; + DEBUG(3,printk("AWE32: [-- voice(%d) vol=%x]\n", voice, vol)); +} + + +/* set sostenuto on */ +static void awe_sostenuto_on(int voice, int forced) +{ + if (IS_NO_EFFECT(voice) && !forced) return; + voices[voice].sostenuto = 127; +} + + +/* drop sustain */ +static void awe_sustain_off(int voice, int forced) +{ + if (voices[voice].state == AWE_ST_SUSTAINED) { + awe_note_off(voice); + awe_fx_init(voices[voice].ch); + awe_voice_init(voice, FALSE); + } +} + + +/* terminate and initialize voice */ +static void awe_terminate_and_init(int voice, int forced) +{ + awe_terminate(voice); + awe_fx_init(voices[voice].ch); + awe_voice_init(voice, TRUE); +} + + +/*================================================================ + * synth operation routines + *================================================================*/ + +#define AWE_VOICE_KEY(v) (0x8000 | (v)) +#define AWE_CHAN_KEY(c,n) (((c) << 8) | ((n) + 1)) +#define KEY_CHAN_MATCH(key,c) (((key) >> 8) == (c)) + +/* initialize the voice */ +static void +awe_voice_init(int voice, int init_all) +{ + voice_info *vp = &voices[voice]; + + /* reset voice search key */ + if (playing_mode == AWE_PLAY_DIRECT) + vp->key = AWE_VOICE_KEY(voice); + else + vp->key = 0; + + /* clear voice mapping */ + voice_alloc->map[voice] = 0; + + /* touch the timing flag */ + vp->time = current_alloc_time; + + /* initialize other parameters if necessary */ + if (init_all) { + vp->note = -1; + vp->velocity = 0; + vp->sostenuto = 0; + + vp->sample = NULL; + vp->cinfo = &channels[voice]; + vp->ch = voice; + vp->state = AWE_ST_OFF; + + /* emu8000 parameters */ + vp->apitch = 0; + vp->avol = 255; + vp->apan = -1; + } +} + +/* clear effects */ +static void awe_fx_init(int ch) +{ + if (SINGLE_LAYER_MODE() && !misc_modes[AWE_MD_KEEP_EFFECT]) { + BZERO(&channels[ch].fx, sizeof(channels[ch].fx)); + BZERO(&channels[ch].fx_layer, sizeof(&channels[ch].fx_layer)); + } +} + +/* initialize channel info */ +static void awe_channel_init(int ch, int init_all) +{ + awe_chan_info *cp = &channels[ch]; + cp->channel = ch; + if (init_all) { + cp->panning = 0; /* zero center */ + cp->bender_range = 200; /* sense * 100 */ + cp->main_vol = 127; + if (MULTI_LAYER_MODE() && IS_DRUM_CHANNEL(ch)) { + cp->instr = misc_modes[AWE_MD_DEF_DRUM]; + cp->bank = AWE_DRUM_BANK; + } else { + cp->instr = misc_modes[AWE_MD_DEF_PRESET]; + cp->bank = misc_modes[AWE_MD_DEF_BANK]; + } + cp->vrec = -1; + cp->def_vrec = -1; + } + + cp->bender = 0; /* zero tune skew */ + cp->expression_vol = 127; + cp->chan_press = 0; + cp->sustained = 0; + + if (! misc_modes[AWE_MD_KEEP_EFFECT]) { + BZERO(&cp->fx, sizeof(cp->fx)); + BZERO(&cp->fx_layer, sizeof(cp->fx_layer)); + } +} + + +/* change the voice parameters; voice = channel */ +static void awe_voice_change(int voice, fx_affect_func func) +{ + int i; + switch (playing_mode) { + case AWE_PLAY_DIRECT: + func(voice, FALSE); + break; + case AWE_PLAY_INDIRECT: + for (i = 0; i < awe_max_voices; i++) + if (voices[i].key == AWE_VOICE_KEY(voice)) + func(i, FALSE); + break; + default: + for (i = 0; i < awe_max_voices; i++) + if (KEY_CHAN_MATCH(voices[i].key, voice)) + func(i, FALSE); + break; + } +} + + +/*---------------------------------------------------------------- + * device open / close + *----------------------------------------------------------------*/ + +/* open device: + * reset status of all voices, and clear sample position flag + */ +static int +awe_open(int dev, int mode) +{ + if (awe_busy) + return RET_ERROR(EBUSY); + + awe_busy = TRUE; + + /* set default mode */ + awe_init_misc_modes(FALSE); + init_atten = misc_modes[AWE_MD_ZERO_ATTEN]; + drum_flags = DEFAULT_DRUM_FLAGS; + playing_mode = AWE_PLAY_INDIRECT; + + /* reset voices & channels */ + awe_reset(dev); + + patch_opened = 0; + + return 0; +} + + +/* close device: + * reset all voices again (terminate sounds) + */ +static void +awe_close(int dev) +{ + awe_reset(dev); + awe_busy = FALSE; +} + + +/* set miscellaneous mode parameters + */ +static void +awe_init_misc_modes(int init_all) +{ + int i; + for (i = 0; i < AWE_MD_END; i++) { + if (init_all || misc_modes_default[i].init_each_time) + misc_modes[i] = misc_modes_default[i].value; + } +} + + +/* sequencer I/O control: + */ +static int +awe_ioctl(int dev, unsigned int cmd, caddr_t arg) +{ + switch (cmd) { + case SNDCTL_SYNTH_INFO: + if (playing_mode == AWE_PLAY_DIRECT) + awe_info.nr_voices = awe_max_voices; + else + awe_info.nr_voices = AWE_MAX_CHANNELS; + IOCTL_TO_USER((char*)arg, 0, &awe_info, sizeof(awe_info)); + return 0; + break; + + case SNDCTL_SEQ_RESETSAMPLES: + awe_reset_samples(); + awe_reset(dev); + return 0; + break; + + case SNDCTL_SEQ_PERCMODE: + /* what's this? */ + return 0; + break; + + case SNDCTL_SYNTH_MEMAVL: + return awe_mem_size - awe_free_mem_ptr() * 2; + + default: + printk("AWE32: unsupported ioctl %d\n", cmd); + return RET_ERROR(EINVAL); + } +} + + +static int voice_in_range(int voice) +{ + if (playing_mode == AWE_PLAY_DIRECT) { + if (voice < 0 || voice >= awe_max_voices) + return FALSE; + } else { + if (voice < 0 || voice >= AWE_MAX_CHANNELS) + return FALSE; + } + return TRUE; +} + +static void release_voice(int voice, int do_sustain) +{ + if (IS_NO_SOUND(voice)) + return; + if (do_sustain && (voices[voice].cinfo->sustained == 127 || + voices[voice].sostenuto == 127)) + voices[voice].state = AWE_ST_SUSTAINED; + else { + awe_note_off(voice); + awe_fx_init(voices[voice].ch); + awe_voice_init(voice, FALSE); + } +} + +/* release all notes */ +static void awe_note_off_all(int do_sustain) +{ + int i; + for (i = 0; i < awe_max_voices; i++) + release_voice(i, do_sustain); +} + +/* kill a voice: + * not terminate, just release the voice. + */ +static int +awe_kill_note(int dev, int voice, int note, int velocity) +{ + int i, v2, key; + + DEBUG(2,printk("AWE32: [off(%d) nt=%d vl=%d]\n", voice, note, velocity)); + if (! voice_in_range(voice)) + return RET_ERROR(EINVAL); + + switch (playing_mode) { + case AWE_PLAY_DIRECT: + case AWE_PLAY_INDIRECT: + key = AWE_VOICE_KEY(voice); + break; + + case AWE_PLAY_MULTI2: + v2 = voice_alloc->map[voice] >> 8; + voice_alloc->map[voice] = 0; + voice = v2; + if (voice < 0 || voice >= AWE_MAX_CHANNELS) + return RET_ERROR(EINVAL); + /* continue to below */ + default: + key = AWE_CHAN_KEY(voice, note); + break; + } + + for (i = 0; i < awe_max_voices; i++) { + if (voices[i].key == key) + release_voice(i, TRUE); + } + return 0; +} + + +static void start_or_volume_change(int voice, int velocity) +{ + voices[voice].velocity = velocity; + awe_calc_volume(voice); + if (voices[voice].state == AWE_ST_STANDBY) + awe_note_on(voice); + else if (voices[voice].state == AWE_ST_ON) + awe_set_volume(voice, FALSE); +} + +static void set_and_start_voice(int voice, int state) +{ + /* calculate pitch & volume parameters */ + voices[voice].state = state; + awe_calc_pitch(voice); + awe_calc_volume(voice); + if (state == AWE_ST_ON) + awe_note_on(voice); +} + +/* start a voice: + * if note is 255, identical with aftertouch function. + * Otherwise, start a voice with specified not and volume. + */ +static int +awe_start_note(int dev, int voice, int note, int velocity) +{ + int i, key, state, volonly; + + DEBUG(2,printk("AWE32: [on(%d) nt=%d vl=%d]\n", voice, note, velocity)); + if (! voice_in_range(voice)) + return RET_ERROR(EINVAL); + + if (velocity == 0) + state = AWE_ST_STANDBY; /* stand by for playing */ + else + state = AWE_ST_ON; /* really play */ + volonly = FALSE; + + switch (playing_mode) { + case AWE_PLAY_DIRECT: + case AWE_PLAY_INDIRECT: + key = AWE_VOICE_KEY(voice); + if (note == 255) + volonly = TRUE; + break; + + case AWE_PLAY_MULTI2: + voice = voice_alloc->map[voice] >> 8; + if (voice < 0 || voice >= AWE_MAX_CHANNELS) + return RET_ERROR(EINVAL); + /* continue to below */ + default: + if (note >= 128) { /* key volume mode */ + note -= 128; + volonly = TRUE; + } + key = AWE_CHAN_KEY(voice, note); + break; + } + + /* dynamic volume change */ + if (volonly) { + for (i = 0; i < awe_max_voices; i++) { + if (voices[i].key == key) + start_or_volume_change(i, velocity); + } + return 0; + } + + /* if the same note still playing, stop it */ + for (i = 0; i < awe_max_voices; i++) + if (voices[i].key == key) { + if (voices[i].state == AWE_ST_ON) { + awe_note_off(i); + awe_voice_init(i, FALSE); + } else if (voices[i].state == AWE_ST_STANDBY) + awe_voice_init(i, TRUE); + } + + /* allocate voices */ + if (playing_mode == AWE_PLAY_DIRECT) + awe_alloc_one_voice(voice, note, velocity); + else + awe_alloc_multi_voices(voice, note, velocity, key); + + /* turn off other voices exlusively (for drums) */ + for (i = 0; i < awe_max_voices; i++) + if (voices[i].key == key) + awe_exclusive_off(i); + + /* set up pitch and volume parameters */ + for (i = 0; i < awe_max_voices; i++) { + if (voices[i].key == key && voices[i].state == AWE_ST_OFF) + set_and_start_voice(i, state); + } + + return 0; +} + + +/* search instrument from preset table with the specified bank */ +static int +awe_search_instr(int bank, int preset) +{ + int i; + + for (i = preset_table[preset]; i >= 0; i = infos[i].next_bank) { + if (infos[i].bank == bank) + return i; + } + return -1; +} + + +/* assign the instrument to a voice */ +static int +awe_set_instr_2(int dev, int voice, int instr_no) +{ + if (playing_mode == AWE_PLAY_MULTI2) { + voice = voice_alloc->map[voice] >> 8; + if (voice < 0 || voice >= AWE_MAX_CHANNELS) + return RET_ERROR(EINVAL); + } + return awe_set_instr(dev, voice, instr_no); +} + +/* assign the instrument to a channel; voice is the channel number */ +static int +awe_set_instr(int dev, int voice, int instr_no) +{ + awe_chan_info *cinfo; + int def_bank; + + if (! voice_in_range(voice)) + return RET_ERROR(EINVAL); + + if (instr_no < 0 || instr_no >= AWE_MAX_PRESETS) + return RET_ERROR(EINVAL); + + cinfo = &channels[voice]; + + if (MULTI_LAYER_MODE() && IS_DRUM_CHANNEL(voice)) + def_bank = AWE_DRUM_BANK; /* always search drumset */ + else + def_bank = cinfo->bank; + + cinfo->vrec = -1; + cinfo->def_vrec = -1; + cinfo->vrec = awe_search_instr(def_bank, instr_no); + if (def_bank == AWE_DRUM_BANK) /* search default drumset */ + cinfo->def_vrec = awe_search_instr(def_bank, misc_modes[AWE_MD_DEF_DRUM]); + else /* search default preset */ + cinfo->def_vrec = awe_search_instr(misc_modes[AWE_MD_DEF_BANK], instr_no); + + if (cinfo->vrec < 0 && cinfo->def_vrec < 0) { + DEBUG(1,printk("AWE32 Warning: can't find instrument %d\n", instr_no)); + } + + cinfo->instr = instr_no; + + return 0; +} + + +/* reset all voices; terminate sounds and initialize parameters */ +static void +awe_reset(int dev) +{ + int i; + current_alloc_time = 0; + /* don't turn off voice 31 and 32. they are used also for FM voices */ + for (i = 0; i < awe_max_voices; i++) { + awe_terminate(i); + awe_voice_init(i, TRUE); + } + for (i = 0; i < AWE_MAX_CHANNELS; i++) + awe_channel_init(i, TRUE); + for (i = 0; i < 16; i++) { + awe_operations.chn_info[i].controllers[CTL_MAIN_VOLUME] = 127; + awe_operations.chn_info[i].controllers[CTL_EXPRESSION] = 127; + } + awe_init_fm(); + awe_tweak(); +} + + +/* hardware specific control: + * GUS specific and AWE32 specific controls are available. + */ +static void +awe_hw_control(int dev, unsigned char *event) +{ + int cmd = event[2]; + if (cmd & _AWE_MODE_FLAG) + awe_hw_awe_control(dev, cmd & _AWE_MODE_VALUE_MASK, event); +#ifdef AWE_HAS_GUS_COMPATIBILITY + else + awe_hw_gus_control(dev, cmd & _AWE_MODE_VALUE_MASK, event); +#endif +} + + +#ifdef AWE_HAS_GUS_COMPATIBILITY + +/* GUS compatible controls */ +static void +awe_hw_gus_control(int dev, int cmd, unsigned char *event) +{ + int voice, i, key; + unsigned short p1; + short p2; + int plong; + + if (MULTI_LAYER_MODE()) + return; + if (cmd == _GUS_NUMVOICES) + return; + + voice = event[3]; + if (! voice_in_range(voice)) + return; + + p1 = *(unsigned short *) &event[4]; + p2 = *(short *) &event[6]; + plong = *(int*) &event[4]; + + switch (cmd) { + case _GUS_VOICESAMPLE: + awe_set_instr(dev, voice, p1); + return; + + case _GUS_VOICEBALA: + /* 0 to 15 --> -128 to 127 */ + awe_panning(dev, voice, ((int)p1 << 4) - 128); + return; + + case _GUS_VOICEVOL: + case _GUS_VOICEVOL2: + /* not supported yet */ + return; + + case _GUS_RAMPRANGE: + case _GUS_RAMPRATE: + case _GUS_RAMPMODE: + case _GUS_RAMPON: + case _GUS_RAMPOFF: + /* volume ramping not supported */ + return; + + case _GUS_VOLUME_SCALE: + return; + + case _GUS_VOICE_POS: + FX_SET(&channels[voice].fx, AWE_FX_SAMPLE_START, + (short)(plong & 0x7fff)); + FX_SET(&channels[voice].fx, AWE_FX_COARSE_SAMPLE_START, + (plong >> 15) & 0xffff); + return; + } + + key = AWE_VOICE_KEY(voice); + for (i = 0; i < awe_max_voices; i++) { + if (voices[i].key == key) { + switch (cmd) { + case _GUS_VOICEON: + awe_note_on(i); + break; + + case _GUS_VOICEOFF: + awe_terminate(i); + awe_fx_init(voices[i].ch); + awe_voice_init(i, TRUE); + break; + + case _GUS_VOICEFADE: + awe_note_off(i); + awe_fx_init(voices[i].ch); + awe_voice_init(i, FALSE); + break; + + case _GUS_VOICEFREQ: + awe_calc_pitch_from_freq(i, plong); + break; + } + } + } +} + +#endif + + +/* AWE32 specific controls */ +static void +awe_hw_awe_control(int dev, int cmd, unsigned char *event) +{ + int voice; + unsigned short p1; + short p2; + awe_chan_info *cinfo; + FX_Rec *fx; + int i; + + voice = event[3]; + if (! voice_in_range(voice)) + return; + + if (playing_mode == AWE_PLAY_MULTI2) { + voice = voice_alloc->map[voice] >> 8; + if (voice < 0 || voice >= AWE_MAX_CHANNELS) + return; + } + + p1 = *(unsigned short *) &event[4]; + p2 = *(short *) &event[6]; + cinfo = &channels[voice]; + + switch (cmd) { + case _AWE_DEBUG_MODE: + debug_mode = p1; + printk("AWE32: debug mode = %d\n", debug_mode); + break; + case _AWE_REVERB_MODE: + awe_set_reverb_mode(p1); + break; + + case _AWE_CHORUS_MODE: + awe_set_chorus_mode(p1); + break; + + case _AWE_REMOVE_LAST_SAMPLES: + DEBUG(0,printk("AWE32: remove last samples\n")); + if (locked_sf_id > 0) + awe_remove_samples(locked_sf_id); + break; + + case _AWE_INITIALIZE_CHIP: + awe_initialize(); + break; + + case _AWE_SEND_EFFECT: + fx = &cinfo->fx; + i = FX_FLAG_SET; + if (p1 >= 0x100) { + int layer = (p1 >> 8); + if (layer >= 0 && layer < MAX_LAYERS) + fx = &cinfo->fx_layer[layer]; + p1 &= 0xff; + } + if (p1 & 0x40) i = FX_FLAG_OFF; + if (p1 & 0x80) i = FX_FLAG_ADD; + p1 &= 0x3f; + if (p1 < AWE_FX_END) { + DEBUG(0,printk("AWE32: effects (%d) %d %d\n", voice, p1, p2)); + if (i == FX_FLAG_SET) + FX_SET(fx, p1, p2); + else if (i == FX_FLAG_ADD) + FX_ADD(fx, p1, p2); + else + FX_UNSET(fx, p1); + if (i != FX_FLAG_OFF && parm_defs[p1].realtime) { + DEBUG(0,printk("AWE32: fx_realtime (%d)\n", voice)); + awe_voice_change(voice, parm_defs[p1].realtime); + } + } + break; + + case _AWE_RESET_CHANNEL: + awe_channel_init(voice, !p1); + break; + + case _AWE_TERMINATE_ALL: + awe_reset(0); + break; + + case _AWE_TERMINATE_CHANNEL: + awe_voice_change(voice, awe_terminate_and_init); + break; + + case _AWE_RELEASE_ALL: + awe_note_off_all(FALSE); + break; + case _AWE_NOTEOFF_ALL: + awe_note_off_all(TRUE); + break; + + case _AWE_INITIAL_VOLUME: + DEBUG(0,printk("AWE32: init attenuation %d\n", p1)); + if (p2 == 0) /* absolute value */ + init_atten = (short)p1; + else /* relative value */ + init_atten = misc_modes[AWE_MD_ZERO_ATTEN] + (short)p1; + if (init_atten < 0) init_atten = 0; + for (i = 0; i < awe_max_voices; i++) + awe_set_voice_vol(i, TRUE); + break; + + case _AWE_CHN_PRESSURE: + cinfo->chan_press = p1; + p1 = p1 * misc_modes[AWE_MD_MOD_SENSE] / 1200; + FX_ADD(&cinfo->fx, AWE_FX_LFO1_PITCH, p1); + awe_voice_change(voice, awe_fx_fmmod); + FX_ADD(&cinfo->fx, AWE_FX_LFO2_PITCH, p1); + awe_voice_change(voice, awe_fx_fm2frq2); + break; + + case _AWE_CHANNEL_MODE: + DEBUG(0,printk("AWE32: channel mode = %d\n", p1)); + playing_mode = p1; + awe_reset(0); + break; + + case _AWE_DRUM_CHANNELS: + DEBUG(0,printk("AWE32: drum flags = %x\n", p1)); + drum_flags = *(unsigned int*)&event[4]; + break; + + case _AWE_MISC_MODE: + DEBUG(0,printk("AWE32: misc mode = %d %d\n", p1, p2)); + if (p1 > AWE_MD_VERSION && p1 < AWE_MD_END) + misc_modes[p1] = p2; + break; + + case _AWE_EQUALIZER: + awe_equalizer((int)p1, (int)p2); + break; + + default: + DEBUG(0,printk("AWE32: hw control cmd=%d voice=%d\n", cmd, voice)); + break; + } +} + + +/* voice pressure change */ +static void +awe_aftertouch(int dev, int voice, int pressure) +{ + int note; + + DEBUG(2,printk("AWE32: [after(%d) %d]\n", voice, pressure)); + if (! voice_in_range(voice)) + return; + + switch (playing_mode) { + case AWE_PLAY_DIRECT: + case AWE_PLAY_INDIRECT: + awe_start_note(dev, voice, 255, pressure); + break; + case AWE_PLAY_MULTI2: + note = (voice_alloc->map[voice] & 0xff) - 1; + awe_start_note(dev, voice, note + 0x80, pressure); + break; + } +} + + +/* voice control change */ +static void +awe_controller(int dev, int voice, int ctrl_num, int value) +{ + int i; + awe_chan_info *cinfo; + + if (! voice_in_range(voice)) + return; + + if (playing_mode == AWE_PLAY_MULTI2) { + voice = voice_alloc->map[voice] >> 8; + if (voice < 0 || voice >= AWE_MAX_CHANNELS) + return; + } + + cinfo = &channels[voice]; + + switch (ctrl_num) { + case CTL_BANK_SELECT: /* MIDI control #0 */ + DEBUG(2,printk("AWE32: [bank(%d) %d]\n", voice, value)); + if (MULTI_LAYER_MODE() && IS_DRUM_CHANNEL(voice) && + !misc_modes[AWE_MD_TOGGLE_DRUM_BANK]) + break; + cinfo->bank = value; + if (cinfo->bank == AWE_DRUM_BANK) + DRUM_CHANNEL_ON(cinfo->channel); + else + DRUM_CHANNEL_OFF(cinfo->channel); + awe_set_instr(dev, voice, cinfo->instr); + break; + + case CTL_MODWHEEL: /* MIDI control #1 */ + DEBUG(2,printk("AWE32: [modwheel(%d) %d]\n", voice, value)); + i = value * misc_modes[AWE_MD_MOD_SENSE] / 1200; + FX_ADD(&cinfo->fx, AWE_FX_LFO1_PITCH, i); + awe_voice_change(voice, awe_fx_fmmod); + FX_ADD(&cinfo->fx, AWE_FX_LFO2_PITCH, i); + awe_voice_change(voice, awe_fx_fm2frq2); + break; + + case CTRL_PITCH_BENDER: /* SEQ1 V2 contorl */ + DEBUG(2,printk("AWE32: [bend(%d) %d]\n", voice, value)); + /* zero centered */ + cinfo->bender = value; + awe_voice_change(voice, awe_set_voice_pitch); + break; + + case CTRL_PITCH_BENDER_RANGE: /* SEQ1 V2 control */ + DEBUG(2,printk("AWE32: [range(%d) %d]\n", voice, value)); + /* value = sense x 100 */ + cinfo->bender_range = value; + /* no audible pitch change yet.. */ + break; + + case CTL_EXPRESSION: /* MIDI control #11 */ + if (SINGLE_LAYER_MODE()) + value /= 128; + case CTRL_EXPRESSION: /* SEQ1 V2 control */ + DEBUG(2,printk("AWE32: [expr(%d) %d]\n", voice, value)); + /* 0 - 127 */ + cinfo->expression_vol = value; + awe_voice_change(voice, awe_set_voice_vol); + break; + + case CTL_PAN: /* MIDI control #10 */ + DEBUG(2,printk("AWE32: [pan(%d) %d]\n", voice, value)); + /* (0-127) -> signed 8bit */ + cinfo->panning = value * 2 - 128; + if (misc_modes[AWE_MD_REALTIME_PAN]) + awe_voice_change(voice, awe_set_pan); + break; + + case CTL_MAIN_VOLUME: /* MIDI control #7 */ + if (SINGLE_LAYER_MODE()) + value = (value * 100) / 16383; + case CTRL_MAIN_VOLUME: /* SEQ1 V2 control */ + DEBUG(2,printk("AWE32: [mainvol(%d) %d]\n", voice, value)); + /* 0 - 127 */ + cinfo->main_vol = value; + awe_voice_change(voice, awe_set_voice_vol); + break; + + case CTL_EXT_EFF_DEPTH: /* reverb effects: 0-127 */ + DEBUG(2,printk("AWE32: [reverb(%d) %d]\n", voice, value)); + FX_SET(&cinfo->fx, AWE_FX_REVERB, value * 2); + break; + + case CTL_CHORUS_DEPTH: /* chorus effects: 0-127 */ + DEBUG(2,printk("AWE32: [chorus(%d) %d]\n", voice, value)); + FX_SET(&cinfo->fx, AWE_FX_CHORUS, value * 2); + break; + +#ifdef AWE_ACCEPT_ALL_SOUNDS_CONTROLL + case 120: /* all sounds off */ + awe_note_off_all(FALSE); + break; + case 123: /* all notes off */ + awe_note_off_all(TRUE); + break; +#endif + + case CTL_SUSTAIN: /* MIDI control #64 */ + cinfo->sustained = value; + if (value != 127) + awe_voice_change(voice, awe_sustain_off); + break; + + case CTL_SOSTENUTO: /* MIDI control #66 */ + if (value == 127) + awe_voice_change(voice, awe_sostenuto_on); + else + awe_voice_change(voice, awe_sustain_off); + break; + + default: + DEBUG(0,printk("AWE32: [control(%d) ctrl=%d val=%d]\n", + voice, ctrl_num, value)); + break; + } +} + + +/* voice pan change (value = -128 - 127) */ +static void +awe_panning(int dev, int voice, int value) +{ + awe_chan_info *cinfo; + + if (! voice_in_range(voice)) + return; + + if (playing_mode == AWE_PLAY_MULTI2) { + voice = voice_alloc->map[voice] >> 8; + if (voice < 0 || voice >= AWE_MAX_CHANNELS) + return; + } + + cinfo = &channels[voice]; + cinfo->panning = value; + DEBUG(2,printk("AWE32: [pan(%d) %d]\n", voice, cinfo->panning)); + if (misc_modes[AWE_MD_REALTIME_PAN]) + awe_voice_change(voice, awe_set_pan); +} + + +/* volume mode change */ +static void +awe_volume_method(int dev, int mode) +{ + /* not impremented */ + DEBUG(0,printk("AWE32: [volmethod mode=%d]\n", mode)); +} + + +#ifndef AWE_NO_PATCHMGR +/* patch manager */ +static int +awe_patchmgr(int dev, struct patmgr_info *rec) +{ + printk("AWE32 Warning: patch manager control not supported\n"); + return 0; +} +#endif + + +/* pitch wheel change: 0-16384 */ +static void +awe_bender(int dev, int voice, int value) +{ + awe_chan_info *cinfo; + + if (! voice_in_range(voice)) + return; + + if (playing_mode == AWE_PLAY_MULTI2) { + voice = voice_alloc->map[voice] >> 8; + if (voice < 0 || voice >= AWE_MAX_CHANNELS) + return; + } + + /* convert to zero centered value */ + cinfo = &channels[voice]; + cinfo->bender = value - 8192; + DEBUG(2,printk("AWE32: [bend(%d) %d]\n", voice, cinfo->bender)); + awe_voice_change(voice, awe_set_voice_pitch); +} + + +/*---------------------------------------------------------------- + * load a sound patch: + * three types of patches are accepted: AWE, GUS, and SYSEX. + *----------------------------------------------------------------*/ + +static int +awe_load_patch(int dev, int format, const char *addr, + int offs, int count, int pmgr_flag) +{ + awe_patch_info patch; + int rc = 0; + +#ifdef AWE_HAS_GUS_COMPATIBILITY + if (format == GUS_PATCH) { + return awe_load_guspatch(addr, offs, count, pmgr_flag); + } else +#endif + if (format == SYSEX_PATCH) { + /* no system exclusive message supported yet */ + return 0; + } else if (format != AWE_PATCH) { + printk("AWE32 Error: Invalid patch format (key) 0x%x\n", format); + return RET_ERROR(EINVAL); + } + + if (count < AWE_PATCH_INFO_SIZE) { + printk("AWE32 Error: Patch header too short\n"); + return RET_ERROR(EINVAL); + } + COPY_FROM_USER(((char*)&patch) + offs, addr, offs, + AWE_PATCH_INFO_SIZE - offs); + + count -= AWE_PATCH_INFO_SIZE; + if (count < patch.len) { + printk("AWE32: sample: Patch record too short (%d<%d)\n", + count, patch.len); + return RET_ERROR(EINVAL); + } + + switch (patch.type) { + case AWE_LOAD_INFO: + rc = awe_load_info(&patch, addr, count); + break; + case AWE_LOAD_DATA: + rc = awe_load_data(&patch, addr, count); + break; + case AWE_OPEN_PATCH: + rc = awe_open_patch(&patch, addr, count); + break; + case AWE_CLOSE_PATCH: + rc = awe_close_patch(&patch, addr, count); + break; + case AWE_UNLOAD_PATCH: + rc = awe_unload_patch(&patch, addr, count); + break; + case AWE_REPLACE_DATA: + rc = awe_replace_data(&patch, addr, count); + break; + case AWE_MAP_PRESET: + rc = awe_load_map(&patch, addr, count); + break; + case AWE_LOAD_CHORUS_FX: + rc = awe_load_chorus_fx(&patch, addr, count); + break; + case AWE_LOAD_REVERB_FX: + rc = awe_load_reverb_fx(&patch, addr, count); + break; + + default: + printk("AWE32 Error: unknown patch format type %d\n", + patch.type); + rc = RET_ERROR(EINVAL); + } + + return rc; +} + + +/* create an sflist record */ +static int +awe_create_sf(int type, char *name) +{ + sf_list *rec; + + /* terminate sounds */ + awe_reset(0); + if (current_sf_id >= max_sfs) { + int newsize = max_sfs + AWE_MAX_SF_LISTS; + sf_list *newlist = my_realloc(sflists, sizeof(sf_list)*max_sfs, + sizeof(sf_list)*newsize); + if (newlist == NULL) + return 1; + sflists = newlist; + max_sfs = newsize; + } + rec = &sflists[current_sf_id]; + rec->sf_id = current_sf_id + 1; + rec->type = type; + if (current_sf_id == 0 || (type & AWE_PAT_LOCKED) != 0) + locked_sf_id = current_sf_id + 1; + /* + if (name) + MEMCPY(rec->name, name, AWE_PATCH_NAME_LEN); + else + BZERO(rec->name, AWE_PATCH_NAME_LEN); + */ + rec->num_info = awe_free_info(); + rec->num_sample = awe_free_sample(); + rec->mem_ptr = awe_free_mem_ptr(); + rec->infos = -1; + rec->samples = -1; + + current_sf_id++; + return 0; +} + + +/* open patch; create sf list and set opened flag */ +static int +awe_open_patch(awe_patch_info *patch, const char *addr, int count) +{ + awe_open_parm parm; + COPY_FROM_USER(&parm, addr, AWE_PATCH_INFO_SIZE, sizeof(parm)); + if (awe_create_sf(parm.type, parm.name)) { + printk("AWE32: can't open: failed to alloc new list\n"); + return RET_ERROR(ENOSPC); + } + patch_opened = TRUE; + return current_sf_id; +} + +/* check if the patch is already opened */ +static int +check_patch_opened(int type, char *name) +{ + if (! patch_opened) { + if (awe_create_sf(type, name)) { + printk("AWE32: failed to alloc new list\n"); + return RET_ERROR(ENOSPC); + } + patch_opened = TRUE; + return current_sf_id; + } + return current_sf_id; +} + +/* close the patch; if no voice is loaded, remove the patch */ +static int +awe_close_patch(awe_patch_info *patch, const char *addr, int count) +{ + if (patch_opened && current_sf_id > 0) { + /* if no voice is loaded, release the current patch */ + if (sflists[current_sf_id-1].infos == -1) + awe_remove_samples(current_sf_id - 1); + } + patch_opened = 0; + return 0; +} + + +/* remove the latest patch */ +static int +awe_unload_patch(awe_patch_info *patch, const char *addr, int count) +{ + if (current_sf_id > 0) + awe_remove_samples(current_sf_id - 1); + return 0; +} + +/* allocate voice info list records */ +static int alloc_new_info(int nvoices) +{ + int newsize, free_info; + awe_voice_list *newlist; + free_info = awe_free_info(); + if (free_info + nvoices >= max_infos) { + do { + newsize = max_infos + AWE_MAX_INFOS; + } while (free_info + nvoices >= newsize); + newlist = my_realloc(infos, sizeof(awe_voice_list)*max_infos, + sizeof(awe_voice_list)*newsize); + if (newlist == NULL) { + printk("AWE32: can't alloc info table\n"); + return RET_ERROR(ENOSPC); + } + infos = newlist; + max_infos = newsize; + } + return 0; +} + +/* allocate sample info list records */ +static int alloc_new_sample(void) +{ + int newsize, free_sample; + awe_sample_list *newlist; + free_sample = awe_free_sample(); + if (free_sample >= max_samples) { + newsize = max_samples + AWE_MAX_SAMPLES; + newlist = my_realloc(samples, + sizeof(awe_sample_list)*max_samples, + sizeof(awe_sample_list)*newsize); + if (newlist == NULL) { + printk("AWE32: can't alloc sample table\n"); + return RET_ERROR(ENOSPC); + } + samples = newlist; + max_samples = newsize; + } + return 0; +} + +/* load voice map */ +static int +awe_load_map(awe_patch_info *patch, const char *addr, int count) +{ + awe_voice_map map; + awe_voice_list *rec; + int free_info; + + if (check_patch_opened(AWE_PAT_TYPE_MAP, NULL) < 0) + return RET_ERROR(ENOSPC); + if (alloc_new_info(1) < 0) + return RET_ERROR(ENOSPC); + + COPY_FROM_USER(&map, addr, AWE_PATCH_INFO_SIZE, sizeof(map)); + + free_info = awe_free_info(); + rec = &infos[free_info]; + rec->bank = map.map_bank; + rec->instr = map.map_instr; + rec->type = V_ST_MAPPED; + rec->disabled = FALSE; + awe_init_voice_info(&rec->v); + if (map.map_key >= 0) { + rec->v.low = map.map_key; + rec->v.high = map.map_key; + } + rec->v.start = map.src_instr; + rec->v.end = map.src_bank; + rec->v.fixkey = map.src_key; + rec->v.sf_id = current_sf_id; + add_info_list(free_info); + add_sf_info(free_info); + + return 0; +} + +/* load voice information data */ +static int +awe_load_info(awe_patch_info *patch, const char *addr, int count) +{ + int offset; + awe_voice_rec_hdr hdr; + int i; + int total_size; + + if (count < AWE_VOICE_REC_SIZE) { + printk("AWE32 Error: invalid patch info length\n"); + return RET_ERROR(EINVAL); + } + + offset = AWE_PATCH_INFO_SIZE; + COPY_FROM_USER((char*)&hdr, addr, offset, AWE_VOICE_REC_SIZE); + offset += AWE_VOICE_REC_SIZE; + + if (hdr.nvoices <= 0 || hdr.nvoices >= 100) { + printk("AWE32 Error: Illegal voice number %d\n", hdr.nvoices); + return RET_ERROR(EINVAL); + } + total_size = AWE_VOICE_REC_SIZE + AWE_VOICE_INFO_SIZE * hdr.nvoices; + if (count < total_size) { + printk("AWE32 Error: patch length(%d) is smaller than nvoices(%d)\n", + count, hdr.nvoices); + return RET_ERROR(EINVAL); + } + + if (check_patch_opened(AWE_PAT_TYPE_MISC, NULL) < 0) + return RET_ERROR(ENOSPC); + +#if 0 /* it looks like not so useful.. */ + /* check if the same preset already exists in the info list */ + for (i = sflists[current_sf_id-1].infos; i >= 0; i = infos[i].next) { + if (infos[i].disabled) continue; + if (infos[i].bank == hdr.bank && infos[i].instr == hdr.instr) { + /* in exclusive mode, do skip loading this */ + if (hdr.write_mode == AWE_WR_EXCLUSIVE) + return 0; + /* in replace mode, disable the old data */ + else if (hdr.write_mode == AWE_WR_REPLACE) + infos[i].disabled = TRUE; + } + } + if (hdr.write_mode == AWE_WR_REPLACE) + rebuild_preset_list(); +#endif + + if (alloc_new_info(hdr.nvoices) < 0) + return RET_ERROR(ENOSPC); + + for (i = 0; i < hdr.nvoices; i++) { + int rec = awe_free_info(); + + infos[rec].bank = hdr.bank; + infos[rec].instr = hdr.instr; + infos[rec].type = V_ST_NORMAL; + infos[rec].disabled = FALSE; + + /* copy awe_voice_info parameters */ + COPY_FROM_USER(&infos[rec].v, addr, offset, AWE_VOICE_INFO_SIZE); + offset += AWE_VOICE_INFO_SIZE; + infos[rec].v.sf_id = current_sf_id; + if (infos[rec].v.mode & AWE_MODE_INIT_PARM) + awe_init_voice_parm(&infos[rec].v.parm); + awe_set_sample(&infos[rec].v); + add_info_list(rec); + add_sf_info(rec); + } + + return 0; +} + +/* load wave sample data */ +static int +awe_load_data(awe_patch_info *patch, const char *addr, int count) +{ + int offset, size; + int rc, free_sample; + awe_sample_info *rec; + + if (check_patch_opened(AWE_PAT_TYPE_MISC, NULL) < 0) + return RET_ERROR(ENOSPC); + + if (alloc_new_sample() < 0) + return RET_ERROR(ENOSPC); + + free_sample = awe_free_sample(); + rec = &samples[free_sample].v; + + size = (count - AWE_SAMPLE_INFO_SIZE) / 2; + offset = AWE_PATCH_INFO_SIZE; + COPY_FROM_USER(rec, addr, offset, AWE_SAMPLE_INFO_SIZE); + offset += AWE_SAMPLE_INFO_SIZE; + if (size != rec->size) { + printk("AWE32: load: sample size differed (%d != %d)\n", + rec->size, size); + return RET_ERROR(EINVAL); + } + if (rec->size > 0) + if ((rc = awe_write_wave_data(addr, offset, rec, -1)) != 0) + return rc; + + rec->sf_id = current_sf_id; + + add_sf_sample(free_sample); + + return 0; +} + + +/* replace wave sample data */ +static int +awe_replace_data(awe_patch_info *patch, const char *addr, int count) +{ + int offset; + int size; + int rc, i; + int channels; + awe_sample_info cursmp; + int save_mem_ptr; + + if (! patch_opened) { + printk("AWE32: replace: patch not opened\n"); + return RET_ERROR(EINVAL); + } + + size = (count - AWE_SAMPLE_INFO_SIZE) / 2; + offset = AWE_PATCH_INFO_SIZE; + COPY_FROM_USER(&cursmp, addr, offset, AWE_SAMPLE_INFO_SIZE); + offset += AWE_SAMPLE_INFO_SIZE; + if (cursmp.size == 0 || size != cursmp.size) { + printk("AWE32: replace: illegal sample size (%d!=%d)\n", + cursmp.size, size); + return RET_ERROR(EINVAL); + } + channels = patch->optarg; + if (channels <= 0 || channels > AWE_NORMAL_VOICES) { + printk("AWE32: replace: illegal channels %d\n", channels); + return RET_ERROR(EINVAL); + } + + for (i = sflists[current_sf_id-1].samples; + i >= 0; i = samples[i].next) { + if (samples[i].v.sample == cursmp.sample) + break; + } + if (i < 0) { + printk("AWE32: replace: cannot find existing sample data %d\n", + cursmp.sample); + return RET_ERROR(EINVAL); + } + + if (samples[i].v.size != cursmp.size) { + printk("AWE32: replace: exiting size differed (%d!=%d)\n", + samples[i].v.size, cursmp.size); + return RET_ERROR(EINVAL); + } + + save_mem_ptr = awe_free_mem_ptr(); + sflists[current_sf_id-1].mem_ptr = samples[i].v.start - awe_mem_start; + MEMCPY(&samples[i].v, &cursmp, sizeof(cursmp)); + if ((rc = awe_write_wave_data(addr, offset, &samples[i].v, channels)) != 0) + return rc; + sflists[current_sf_id-1].mem_ptr = save_mem_ptr; + samples[i].v.sf_id = current_sf_id; + + return 0; +} + + +/*----------------------------------------------------------------*/ + +static const char *readbuf_addr; +static int readbuf_offs; +static int readbuf_flags; +#ifdef __FreeBSD__ +static unsigned short *readbuf_loop; +static int readbuf_loopstart, readbuf_loopend; +#endif + +/* initialize read buffer */ +static int +readbuf_init(const char *addr, int offset, awe_sample_info *sp) +{ +#ifdef __FreeBSD__ + readbuf_loop = NULL; + readbuf_loopstart = sp->loopstart; + readbuf_loopend = sp->loopend; + if (sp->mode_flags & (AWE_SAMPLE_BIDIR_LOOP|AWE_SAMPLE_REVERSE_LOOP)) { + int looplen = sp->loopend - sp->loopstart; + readbuf_loop = my_malloc(looplen * 2); + if (readbuf_loop == NULL) { + printk("AWE32: can't malloc temp buffer\n"); + return RET_ERROR(ENOSPC); + } + } +#endif + readbuf_addr = addr; + readbuf_offs = offset; + readbuf_flags = sp->mode_flags; + return 0; +} + +/* read directly from user buffer */ +static unsigned short +readbuf_word(int pos) +{ + unsigned short c; + /* read from user buffer */ + if (readbuf_flags & AWE_SAMPLE_8BITS) { + unsigned char cc; + GET_BYTE_FROM_USER(cc, readbuf_addr, readbuf_offs + pos); + c = cc << 8; /* convert 8bit -> 16bit */ + } else { + GET_SHORT_FROM_USER(c, readbuf_addr, readbuf_offs + pos * 2); + } + if (readbuf_flags & AWE_SAMPLE_UNSIGNED) + c ^= 0x8000; /* unsigned -> signed */ +#ifdef __FreeBSD__ + /* write on cache for reverse loop */ + if (readbuf_flags & (AWE_SAMPLE_BIDIR_LOOP|AWE_SAMPLE_REVERSE_LOOP)) { + if (pos >= readbuf_loopstart && pos < readbuf_loopend) + readbuf_loop[pos - readbuf_loopstart] = c; + } +#endif + return c; +} + +#ifdef __FreeBSD__ +/* read from cache */ +static unsigned short +readbuf_word_cache(int pos) +{ + if (pos >= readbuf_loopstart && pos < readbuf_loopend) + return readbuf_loop[pos - readbuf_loopstart]; + return 0; +} + +static void +readbuf_end(void) +{ + if (readbuf_loop) { + my_free(readbuf_loop); + } + readbuf_loop = NULL; +} + +#else + +#define readbuf_word_cache readbuf_word +#define readbuf_end() /**/ + +#endif + +/*----------------------------------------------------------------*/ + +#define BLANK_LOOP_START 8 +#define BLANK_LOOP_END 40 +#define BLANK_LOOP_SIZE 48 + +/* loading onto memory */ +static int +awe_write_wave_data(const char *addr, int offset, awe_sample_info *sp, int channels) +{ + int i, truesize, dram_offset; + int rc; + + /* be sure loop points start < end */ + if (sp->loopstart > sp->loopend) { + int tmp = sp->loopstart; + sp->loopstart = sp->loopend; + sp->loopend = tmp; + } + + /* compute true data size to be loaded */ + truesize = sp->size; + if (sp->mode_flags & AWE_SAMPLE_BIDIR_LOOP) + truesize += sp->loopend - sp->loopstart; + if (sp->mode_flags & AWE_SAMPLE_NO_BLANK) + truesize += BLANK_LOOP_SIZE; + if (awe_free_mem_ptr() + truesize >= awe_mem_size/2) { + printk("AWE32 Error: Sample memory full\n"); + return RET_ERROR(ENOSPC); + } + + /* recalculate address offset */ + sp->end -= sp->start; + sp->loopstart -= sp->start; + sp->loopend -= sp->start; + + dram_offset = awe_free_mem_ptr() + awe_mem_start; + sp->start = dram_offset; + sp->end += dram_offset; + sp->loopstart += dram_offset; + sp->loopend += dram_offset; + + /* set the total size (store onto obsolete checksum value) */ + if (sp->size == 0) + sp->checksum = 0; + else + sp->checksum = truesize; + + if ((rc = awe_open_dram_for_write(dram_offset, channels)) != 0) + return rc; + + if (readbuf_init(addr, offset, sp) < 0) + return RET_ERROR(ENOSPC); + + for (i = 0; i < sp->size; i++) { + unsigned short c; + c = readbuf_word(i); + awe_write_dram(c); + if (i == sp->loopend && + (sp->mode_flags & (AWE_SAMPLE_BIDIR_LOOP|AWE_SAMPLE_REVERSE_LOOP))) { + int looplen = sp->loopend - sp->loopstart; + /* copy reverse loop */ + int k; + for (k = 1; k <= looplen; k++) { + c = readbuf_word_cache(i - k); + awe_write_dram(c); + } + if (sp->mode_flags & AWE_SAMPLE_BIDIR_LOOP) { + sp->end += looplen; + } else { + sp->start += looplen; + sp->end += looplen; + } + } + } + readbuf_end(); + + /* if no blank loop is attached in the sample, add it */ + if (sp->mode_flags & AWE_SAMPLE_NO_BLANK) { + for (i = 0; i < BLANK_LOOP_SIZE; i++) + awe_write_dram(0); + if (sp->mode_flags & AWE_SAMPLE_SINGLESHOT) { + sp->loopstart = sp->end + BLANK_LOOP_START; + sp->loopend = sp->end + BLANK_LOOP_END; + } + } + + sflists[current_sf_id-1].mem_ptr += truesize; + awe_close_dram(); + + /* initialize FM */ + awe_init_fm(); + + return 0; +} + + +/*----------------------------------------------------------------*/ + +#ifdef AWE_HAS_GUS_COMPATIBILITY + +/* calculate GUS envelope time: + * is this correct? i have no idea.. + */ +static int +calc_gus_envelope_time(int rate, int start, int end) +{ + int r, p, t; + r = (3 - ((rate >> 6) & 3)) * 3; + p = rate & 0x3f; + t = end - start; + if (t < 0) t = -t; + if (13 > r) + t = t << (13 - r); + else + t = t >> (r - 13); + return (t * 10) / (p * 441); +} + +#define calc_gus_sustain(val) (0x7f - vol_table[(val)/2]) +#define calc_gus_attenuation(val) vol_table[(val)/2] + +/* load GUS patch */ +static int +awe_load_guspatch(const char *addr, int offs, int size, int pmgr_flag) +{ + struct patch_info patch; + awe_voice_info *rec; + awe_sample_info *smp; + int sizeof_patch; + int note, free_sample, free_info; + int rc; + + sizeof_patch = (int)((long)&patch.data[0] - (long)&patch); /* header size */ + if (size < sizeof_patch) { + printk("AWE32 Error: Patch header too short\n"); + return RET_ERROR(EINVAL); + } + COPY_FROM_USER(((char*)&patch) + offs, addr, offs, sizeof_patch - offs); + size -= sizeof_patch; + if (size < patch.len) { + printk("AWE32 Warning: Patch record too short (%d<%d)\n", + size, patch.len); + return RET_ERROR(EINVAL); + } + if (check_patch_opened(AWE_PAT_TYPE_GUS, NULL) < 0) + return RET_ERROR(ENOSPC); + if (alloc_new_sample() < 0) + return RET_ERROR(ENOSPC); + if (alloc_new_info(1)) + return RET_ERROR(ENOSPC); + + free_sample = awe_free_sample(); + smp = &samples[free_sample].v; + + smp->sample = free_sample; + smp->start = 0; + smp->end = patch.len; + smp->loopstart = patch.loop_start; + smp->loopend = patch.loop_end; + smp->size = patch.len; + + /* set up mode flags */ + smp->mode_flags = 0; + if (!(patch.mode & WAVE_16_BITS)) + smp->mode_flags |= AWE_SAMPLE_8BITS; + if (patch.mode & WAVE_UNSIGNED) + smp->mode_flags |= AWE_SAMPLE_UNSIGNED; + smp->mode_flags |= AWE_SAMPLE_NO_BLANK; + if (!(patch.mode & (WAVE_LOOPING|WAVE_BIDIR_LOOP|WAVE_LOOP_BACK))) + smp->mode_flags |= AWE_SAMPLE_SINGLESHOT; + if (patch.mode & WAVE_BIDIR_LOOP) + smp->mode_flags |= AWE_SAMPLE_BIDIR_LOOP; + if (patch.mode & WAVE_LOOP_BACK) + smp->mode_flags |= AWE_SAMPLE_REVERSE_LOOP; + + DEBUG(0,printk("AWE32: [sample %d mode %x]\n", patch.instr_no, smp->mode_flags)); + if (patch.mode & WAVE_16_BITS) { + /* convert to word offsets */ + smp->size /= 2; + smp->end /= 2; + smp->loopstart /= 2; + smp->loopend /= 2; + } + smp->checksum_flag = 0; + smp->checksum = 0; + + if ((rc = awe_write_wave_data(addr, sizeof_patch, smp, -1)) != 0) + return rc; + + smp->sf_id = current_sf_id; + add_sf_sample(free_sample); + + /* set up voice info */ + free_info = awe_free_info(); + rec = &infos[free_info].v; + awe_init_voice_info(rec); + rec->sample = free_sample; /* the last sample */ + rec->rate_offset = calc_rate_offset(patch.base_freq); + note = freq_to_note(patch.base_note); + rec->root = note / 100; + rec->tune = -(note % 100); + rec->low = freq_to_note(patch.low_note) / 100; + rec->high = freq_to_note(patch.high_note) / 100; + DEBUG(1,printk("AWE32: [gus base offset=%d, note=%d, range=%d-%d(%d-%d)]\n", + rec->rate_offset, note, + rec->low, rec->high, + patch.low_note, patch.high_note)); + /* panning position; -128 - 127 => 0-127 */ + rec->pan = (patch.panning + 128) / 2; + + /* detuning is ignored */ + /* 6points volume envelope */ + if (patch.mode & WAVE_ENVELOPES) { + int attack, hold, decay, release; + attack = calc_gus_envelope_time + (patch.env_rate[0], 0, patch.env_offset[0]); + hold = calc_gus_envelope_time + (patch.env_rate[1], patch.env_offset[0], + patch.env_offset[1]); + decay = calc_gus_envelope_time + (patch.env_rate[2], patch.env_offset[1], + patch.env_offset[2]); + release = calc_gus_envelope_time + (patch.env_rate[3], patch.env_offset[1], + patch.env_offset[4]); + release += calc_gus_envelope_time + (patch.env_rate[4], patch.env_offset[3], + patch.env_offset[4]); + release += calc_gus_envelope_time + (patch.env_rate[5], patch.env_offset[4], + patch.env_offset[5]); + rec->parm.volatkhld = (calc_parm_attack(attack) << 8) | + calc_parm_hold(hold); + rec->parm.voldcysus = (calc_gus_sustain(patch.env_offset[2]) << 8) | + calc_parm_decay(decay); + rec->parm.volrelease = 0x8000 | calc_parm_decay(release); + DEBUG(2,printk("AWE32: [gusenv atk=%d, hld=%d, dcy=%d, rel=%d]\n", attack, hold, decay, release)); + rec->attenuation = calc_gus_attenuation(patch.env_offset[0]); + } + + /* tremolo effect */ + if (patch.mode & WAVE_TREMOLO) { + int rate = (patch.tremolo_rate * 1000 / 38) / 42; + rec->parm.tremfrq = ((patch.tremolo_depth / 2) << 8) | rate; + DEBUG(2,printk("AWE32: [gusenv tremolo rate=%d, dep=%d, tremfrq=%x]\n", + patch.tremolo_rate, patch.tremolo_depth, + rec->parm.tremfrq)); + } + /* vibrato effect */ + if (patch.mode & WAVE_VIBRATO) { + int rate = (patch.vibrato_rate * 1000 / 38) / 42; + rec->parm.fm2frq2 = ((patch.vibrato_depth / 6) << 8) | rate; + DEBUG(2,printk("AWE32: [gusenv vibrato rate=%d, dep=%d, tremfrq=%x]\n", + patch.tremolo_rate, patch.tremolo_depth, + rec->parm.tremfrq)); + } + + /* scale_freq, scale_factor, volume, and fractions not implemented */ + + /* append to the tail of the list */ + infos[free_info].bank = misc_modes[AWE_MD_GUS_BANK]; + infos[free_info].instr = patch.instr_no; + infos[free_info].disabled = FALSE; + infos[free_info].type = V_ST_NORMAL; + infos[free_info].v.sf_id = current_sf_id; + + add_info_list(free_info); + add_sf_info(free_info); + + /* set the voice index */ + awe_set_sample(rec); + + return 0; +} + +#endif /* AWE_HAS_GUS_COMPATIBILITY */ + +/*---------------------------------------------------------------- + * sample and voice list handlers + *----------------------------------------------------------------*/ + +/* append this to the sf list */ +static void add_sf_info(int rec) +{ + int sf_id = infos[rec].v.sf_id; + if (sf_id == 0) return; + sf_id--; + if (sflists[sf_id].infos < 0) + sflists[sf_id].infos = rec; + else { + int i, prev; + prev = sflists[sf_id].infos; + while ((i = infos[prev].next) >= 0) + prev = i; + infos[prev].next = rec; + } + infos[rec].next = -1; + sflists[sf_id].num_info++; +} + +/* prepend this sample to sf list */ +static void add_sf_sample(int rec) +{ + int sf_id = samples[rec].v.sf_id; + if (sf_id == 0) return; + sf_id--; + samples[rec].next = sflists[sf_id].samples; + sflists[sf_id].samples = rec; + sflists[sf_id].num_sample++; +} + +/* purge the old records which don't belong with the same file id */ +static void purge_old_list(int rec, int next) +{ + infos[rec].next_instr = next; + if (infos[rec].bank == AWE_DRUM_BANK) { + /* remove samples with the same note range */ + int cur, *prevp = &infos[rec].next_instr; + int low = infos[rec].v.low; + int high = infos[rec].v.high; + for (cur = next; cur >= 0; cur = infos[cur].next_instr) { + if (infos[cur].v.low == low && + infos[cur].v.high == high && + infos[cur].v.sf_id != infos[rec].v.sf_id) + *prevp = infos[cur].next_instr; + prevp = &infos[cur].next_instr; + } + } else { + if (infos[next].v.sf_id != infos[rec].v.sf_id) + infos[rec].next_instr = -1; + } +} + +/* prepend to top of the preset table */ +static void add_info_list(int rec) +{ + int *prevp, cur; + int instr = infos[rec].instr; + int bank = infos[rec].bank; + + if (infos[rec].disabled) + return; + + prevp = &preset_table[instr]; + cur = *prevp; + while (cur >= 0) { + /* search the first record with the same bank number */ + if (infos[cur].bank == bank) { + /* replace the list with the new record */ + infos[rec].next_bank = infos[cur].next_bank; + *prevp = rec; + purge_old_list(rec, cur); + return; + } + prevp = &infos[cur].next_bank; + cur = infos[cur].next_bank; + } + + /* this is the first bank record.. just add this */ + infos[rec].next_instr = -1; + infos[rec].next_bank = preset_table[instr]; + preset_table[instr] = rec; +} + +/* remove samples later than the specified sf_id */ +static void +awe_remove_samples(int sf_id) +{ + if (sf_id <= 0) { + awe_reset_samples(); + return; + } + /* already removed? */ + if (current_sf_id <= sf_id) + return; + + current_sf_id = sf_id; + if (locked_sf_id > sf_id) + locked_sf_id = sf_id; + + rebuild_preset_list(); +} + +/* rebuild preset search list */ +static void rebuild_preset_list(void) +{ + int i, j; + + for (i = 0; i < AWE_MAX_PRESETS; i++) + preset_table[i] = -1; + + for (i = 0; i < current_sf_id; i++) { + for (j = sflists[i].infos; j >= 0; j = infos[j].next) + add_info_list(j); + } +} + +/* search the specified sample */ +static short +awe_set_sample(awe_voice_info *vp) +{ + int i; + vp->index = -1; + for (i = sflists[vp->sf_id-1].samples; i >= 0; i = samples[i].next) { + if (samples[i].v.sample == vp->sample) { + /* set the actual sample offsets */ + vp->start += samples[i].v.start; + vp->end += samples[i].v.end; + vp->loopstart += samples[i].v.loopstart; + vp->loopend += samples[i].v.loopend; + /* copy mode flags */ + vp->mode = samples[i].v.mode_flags; + /* set index */ + vp->index = i; + return i; + } + } + return -1; +} + + +/*---------------------------------------------------------------- + * voice allocation + *----------------------------------------------------------------*/ + +/* look for all voices associated with the specified note & velocity */ +static int +awe_search_multi_voices(int rec, int note, int velocity, awe_voice_info **vlist) +{ + int nvoices; + + nvoices = 0; + for (; rec >= 0; rec = infos[rec].next_instr) { + if (note >= infos[rec].v.low && + note <= infos[rec].v.high && + velocity >= infos[rec].v.vellow && + velocity <= infos[rec].v.velhigh) { + vlist[nvoices] = &infos[rec].v; + if (infos[rec].type == V_ST_MAPPED) /* mapper */ + return -1; + nvoices++; + if (nvoices >= AWE_MAX_VOICES) + break; + } + } + return nvoices; +} + +/* store the voice list from the specified note and velocity. + if the preset is mapped, seek for the destination preset, and rewrite + the note number if necessary. + */ +static int +really_alloc_voices(int vrec, int def_vrec, int *note, int velocity, awe_voice_info **vlist, int level) +{ + int nvoices; + + nvoices = awe_search_multi_voices(vrec, *note, velocity, vlist); + if (nvoices == 0) + nvoices = awe_search_multi_voices(def_vrec, *note, velocity, vlist); + if (nvoices < 0) { /* mapping */ + int preset = vlist[0]->start; + int bank = vlist[0]->end; + int key = vlist[0]->fixkey; + if (level > 5) { + printk("AWE32: too deep mapping level\n"); + return 0; + } + vrec = awe_search_instr(bank, preset); + if (bank == AWE_DRUM_BANK) + def_vrec = awe_search_instr(bank, 0); + else + def_vrec = awe_search_instr(0, preset); + if (key >= 0) + *note = key; + return really_alloc_voices(vrec, def_vrec, note, velocity, vlist, level+1); + } + + return nvoices; +} + +/* allocate voices corresponding note and velocity; supports multiple insts. */ +static void +awe_alloc_multi_voices(int ch, int note, int velocity, int key) +{ + int i, v, nvoices; + awe_voice_info *vlist[AWE_MAX_VOICES]; + + if (channels[ch].vrec < 0 && channels[ch].def_vrec < 0) + awe_set_instr(0, ch, channels[ch].instr); + + /* check the possible voices; note may be changeable if mapped */ + nvoices = really_alloc_voices(channels[ch].vrec, channels[ch].def_vrec, + ¬e, velocity, vlist, 0); + + /* set the voices */ + current_alloc_time++; + for (i = 0; i < nvoices; i++) { + v = awe_clear_voice(); + voices[v].key = key; + voices[v].ch = ch; + voices[v].note = note; + voices[v].velocity = velocity; + voices[v].time = current_alloc_time; + voices[v].cinfo = &channels[ch]; + voices[v].sample = vlist[i]; + voices[v].state = AWE_ST_MARK; + voices[v].layer = nvoices - i - 1; /* in reverse order */ + } + + /* clear the mark in allocated voices */ + for (i = 0; i < awe_max_voices; i++) { + if (voices[i].state == AWE_ST_MARK) + voices[i].state = AWE_ST_OFF; + + } +} + + +/* search the best voice from the specified status condition */ +static int +search_best_voice(int condition) +{ + int i, time, best; + best = -1; + time = current_alloc_time + 1; + for (i = 0; i < awe_max_voices; i++) { + if ((voices[i].state & condition) && + (best < 0 || voices[i].time < time)) { + best = i; + time = voices[i].time; + } + } + /* clear voice */ + if (best >= 0) { + if (voices[best].state != AWE_ST_OFF) + awe_terminate(best); + awe_voice_init(best, TRUE); + } + + return best; +} + +/* search an empty voice. + if no empty voice is found, at least terminate a voice + */ +static int +awe_clear_voice(void) +{ + int best; + + /* looking for the oldest empty voice */ + if ((best = search_best_voice(AWE_ST_OFF)) >= 0) + return best; + if ((best = search_best_voice(AWE_ST_RELEASED)) >= 0) + return best; + /* looking for the oldest sustained voice */ + if ((best = search_best_voice(AWE_ST_SUSTAINED)) >= 0) + return best; + +#ifdef AWE_LOOKUP_MIDI_PRIORITY + if (MULTI_LAYER_MODE() && misc_modes[AWE_MD_CHN_PRIOR]) { + int ch = -1; + int time = current_alloc_time + 1; + int i; + /* looking for the voices from high channel (except drum ch) */ + for (i = 0; i < awe_max_voices; i++) { + if (IS_DRUM_CHANNEL(voices[i].ch)) continue; + if (voices[i].ch < ch) continue; + if (voices[i].state != AWE_ST_MARK && + (voices[i].ch > ch || voices[i].time < time)) { + best = i; + time = voices[i].time; + ch = voices[i].ch; + } + } + } +#endif + if (best < 0) + best = search_best_voice(~AWE_ST_MARK); + + if (best >= 0) + return best; + + return 0; +} + + +/* search sample for the specified note & velocity and set it on the voice; + * note that voice is the voice index (not channel index) + */ +static void +awe_alloc_one_voice(int voice, int note, int velocity) +{ + int ch, nvoices; + awe_voice_info *vlist[AWE_MAX_VOICES]; + + ch = voices[voice].ch; + if (channels[ch].vrec < 0 && channels[ch].def_vrec < 0) + awe_set_instr(0, ch, channels[ch].instr); + + nvoices = really_alloc_voices(voices[voice].cinfo->vrec, + voices[voice].cinfo->def_vrec, + ¬e, velocity, vlist, 0); + if (nvoices > 0) { + voices[voice].time = ++current_alloc_time; + voices[voice].sample = vlist[0]; /* use the first one */ + voices[voice].layer = 0; + voices[voice].note = note; + voices[voice].velocity = velocity; + } +} + + +/*---------------------------------------------------------------- + * sequencer2 functions + *----------------------------------------------------------------*/ + +/* search an empty voice; used by sequencer2 */ +static int +awe_alloc(int dev, int chn, int note, struct voice_alloc_info *alloc) +{ + playing_mode = AWE_PLAY_MULTI2; + awe_info.nr_voices = AWE_MAX_CHANNELS; + return awe_clear_voice(); +} + + +/* set up voice; used by sequencer2 */ +static void +awe_setup_voice(int dev, int voice, int chn) +{ + struct channel_info *info; + if (synth_devs[dev] == NULL || + (info = &synth_devs[dev]->chn_info[chn]) == NULL) + return; + + if (voice < 0 || voice >= awe_max_voices) + return; + + DEBUG(2,printk("AWE32: [setup(%d) ch=%d]\n", voice, chn)); + channels[chn].expression_vol = info->controllers[CTL_EXPRESSION]; + channels[chn].main_vol = info->controllers[CTL_MAIN_VOLUME]; + channels[chn].panning = + info->controllers[CTL_PAN] * 2 - 128; /* signed 8bit */ + channels[chn].bender = info->bender_value; /* zero center */ + channels[chn].bank = info->controllers[CTL_BANK_SELECT]; + channels[chn].sustained = info->controllers[CTL_SUSTAIN]; + if (info->controllers[CTL_EXT_EFF_DEPTH]) { + FX_SET(&channels[chn].fx, AWE_FX_REVERB, + info->controllers[CTL_EXT_EFF_DEPTH] * 2); + } + if (info->controllers[CTL_CHORUS_DEPTH]) { + FX_SET(&channels[chn].fx, AWE_FX_CHORUS, + info->controllers[CTL_CHORUS_DEPTH] * 2); + } + awe_set_instr(dev, chn, info->pgm_num); +} + + +#ifdef CONFIG_AWE32_MIXER +/*================================================================ + * AWE32 mixer device control + *================================================================*/ + +static int +awe_mixer_ioctl(int dev, unsigned int cmd, caddr_t arg) +{ + int i, level; + + if (((cmd >> 8) & 0xff) != 'M') + return RET_ERROR(EINVAL); + + level = (int)IOCTL_IN(arg); + level = ((level & 0xff) + (level >> 8)) / 2; + DEBUG(0,printk("AWEMix: cmd=%x val=%d\n", cmd & 0xff, level)); + + if (IO_WRITE_CHECK(cmd)) { + switch (cmd & 0xff) { + case SOUND_MIXER_BASS: + awe_bass_level = level * 12 / 100; + if (awe_bass_level >= 12) + awe_bass_level = 11; + awe_equalizer(awe_bass_level, awe_treble_level); + break; + case SOUND_MIXER_TREBLE: + awe_treble_level = level * 12 / 100; + if (awe_treble_level >= 12) + awe_treble_level = 11; + awe_equalizer(awe_bass_level, awe_treble_level); + break; + case SOUND_MIXER_VOLUME: + level = level * 127 / 100; + if (level >= 128) level = 127; + init_atten = vol_table[level]; + for (i = 0; i < awe_max_voices; i++) + awe_set_voice_vol(i, TRUE); + break; + } + } + switch (cmd & 0xff) { + case SOUND_MIXER_BASS: + level = awe_bass_level * 100 / 24; + level = (level << 8) | level; + break; + case SOUND_MIXER_TREBLE: + level = awe_treble_level * 100 / 24; + level = (level << 8) | level; + break; + case SOUND_MIXER_VOLUME: + for (i = 127; i > 0; i--) { + if (init_atten <= vol_table[i]) + break; + } + level = i * 100 / 127; + level = (level << 8) | level; + break; + case SOUND_MIXER_DEVMASK: + level = SOUND_MASK_BASS|SOUND_MASK_TREBLE|SOUND_MASK_VOLUME; + break; + default: + level = 0; + break; + } + return IOCTL_OUT(arg, level); +} +#endif /* CONFIG_AWE32_MIXER */ + + +/*================================================================ + * initialization of AWE32 + *================================================================*/ + +/* intiailize audio channels */ +static void +awe_init_audio(void) +{ + int ch; + + /* turn off envelope engines */ + for (ch = 0; ch < AWE_MAX_VOICES; ch++) { + awe_poke(AWE_DCYSUSV(ch), 0x80); + } + + /* reset all other parameters to zero */ + for (ch = 0; ch < AWE_MAX_VOICES; ch++) { + awe_poke(AWE_ENVVOL(ch), 0); + awe_poke(AWE_ENVVAL(ch), 0); + awe_poke(AWE_DCYSUS(ch), 0); + awe_poke(AWE_ATKHLDV(ch), 0); + awe_poke(AWE_LFO1VAL(ch), 0); + awe_poke(AWE_ATKHLD(ch), 0); + awe_poke(AWE_LFO2VAL(ch), 0); + awe_poke(AWE_IP(ch), 0); + awe_poke(AWE_IFATN(ch), 0); + awe_poke(AWE_PEFE(ch), 0); + awe_poke(AWE_FMMOD(ch), 0); + awe_poke(AWE_TREMFRQ(ch), 0); + awe_poke(AWE_FM2FRQ2(ch), 0); + awe_poke_dw(AWE_PTRX(ch), 0); + awe_poke_dw(AWE_VTFT(ch), 0); + awe_poke_dw(AWE_PSST(ch), 0); + awe_poke_dw(AWE_CSL(ch), 0); + awe_poke_dw(AWE_CCCA(ch), 0); + } + + for (ch = 0; ch < AWE_MAX_VOICES; ch++) { + awe_poke_dw(AWE_CPF(ch), 0); + awe_poke_dw(AWE_CVCF(ch), 0); + } +} + + +/* initialize DMA address */ +static void +awe_init_dma(void) +{ + awe_poke_dw(AWE_SMALR, 0); + awe_poke_dw(AWE_SMARR, 0); + awe_poke_dw(AWE_SMALW, 0); + awe_poke_dw(AWE_SMARW, 0); +} + + +/* initialization arrays; from ADIP */ + +static unsigned short init1[128] = { + 0x03ff, 0x0030, 0x07ff, 0x0130, 0x0bff, 0x0230, 0x0fff, 0x0330, + 0x13ff, 0x0430, 0x17ff, 0x0530, 0x1bff, 0x0630, 0x1fff, 0x0730, + 0x23ff, 0x0830, 0x27ff, 0x0930, 0x2bff, 0x0a30, 0x2fff, 0x0b30, + 0x33ff, 0x0c30, 0x37ff, 0x0d30, 0x3bff, 0x0e30, 0x3fff, 0x0f30, + + 0x43ff, 0x0030, 0x47ff, 0x0130, 0x4bff, 0x0230, 0x4fff, 0x0330, + 0x53ff, 0x0430, 0x57ff, 0x0530, 0x5bff, 0x0630, 0x5fff, 0x0730, + 0x63ff, 0x0830, 0x67ff, 0x0930, 0x6bff, 0x0a30, 0x6fff, 0x0b30, + 0x73ff, 0x0c30, 0x77ff, 0x0d30, 0x7bff, 0x0e30, 0x7fff, 0x0f30, + + 0x83ff, 0x0030, 0x87ff, 0x0130, 0x8bff, 0x0230, 0x8fff, 0x0330, + 0x93ff, 0x0430, 0x97ff, 0x0530, 0x9bff, 0x0630, 0x9fff, 0x0730, + 0xa3ff, 0x0830, 0xa7ff, 0x0930, 0xabff, 0x0a30, 0xafff, 0x0b30, + 0xb3ff, 0x0c30, 0xb7ff, 0x0d30, 0xbbff, 0x0e30, 0xbfff, 0x0f30, + + 0xc3ff, 0x0030, 0xc7ff, 0x0130, 0xcbff, 0x0230, 0xcfff, 0x0330, + 0xd3ff, 0x0430, 0xd7ff, 0x0530, 0xdbff, 0x0630, 0xdfff, 0x0730, + 0xe3ff, 0x0830, 0xe7ff, 0x0930, 0xebff, 0x0a30, 0xefff, 0x0b30, + 0xf3ff, 0x0c30, 0xf7ff, 0x0d30, 0xfbff, 0x0e30, 0xffff, 0x0f30, +}; + +static unsigned short init2[128] = { + 0x03ff, 0x8030, 0x07ff, 0x8130, 0x0bff, 0x8230, 0x0fff, 0x8330, + 0x13ff, 0x8430, 0x17ff, 0x8530, 0x1bff, 0x8630, 0x1fff, 0x8730, + 0x23ff, 0x8830, 0x27ff, 0x8930, 0x2bff, 0x8a30, 0x2fff, 0x8b30, + 0x33ff, 0x8c30, 0x37ff, 0x8d30, 0x3bff, 0x8e30, 0x3fff, 0x8f30, + + 0x43ff, 0x8030, 0x47ff, 0x8130, 0x4bff, 0x8230, 0x4fff, 0x8330, + 0x53ff, 0x8430, 0x57ff, 0x8530, 0x5bff, 0x8630, 0x5fff, 0x8730, + 0x63ff, 0x8830, 0x67ff, 0x8930, 0x6bff, 0x8a30, 0x6fff, 0x8b30, + 0x73ff, 0x8c30, 0x77ff, 0x8d30, 0x7bff, 0x8e30, 0x7fff, 0x8f30, + + 0x83ff, 0x8030, 0x87ff, 0x8130, 0x8bff, 0x8230, 0x8fff, 0x8330, + 0x93ff, 0x8430, 0x97ff, 0x8530, 0x9bff, 0x8630, 0x9fff, 0x8730, + 0xa3ff, 0x8830, 0xa7ff, 0x8930, 0xabff, 0x8a30, 0xafff, 0x8b30, + 0xb3ff, 0x8c30, 0xb7ff, 0x8d30, 0xbbff, 0x8e30, 0xbfff, 0x8f30, + + 0xc3ff, 0x8030, 0xc7ff, 0x8130, 0xcbff, 0x8230, 0xcfff, 0x8330, + 0xd3ff, 0x8430, 0xd7ff, 0x8530, 0xdbff, 0x8630, 0xdfff, 0x8730, + 0xe3ff, 0x8830, 0xe7ff, 0x8930, 0xebff, 0x8a30, 0xefff, 0x8b30, + 0xf3ff, 0x8c30, 0xf7ff, 0x8d30, 0xfbff, 0x8e30, 0xffff, 0x8f30, +}; + +static unsigned short init3[128] = { + 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5, + 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x8F7C, 0x167E, 0xF254, + 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x8BAA, 0x1B6D, 0xF234, + 0x229F, 0x8429, 0x2746, 0x8529, 0x1F1C, 0x86E7, 0x229E, 0xF224, + + 0x0DA4, 0x8429, 0x2C29, 0x8529, 0x2745, 0x87F6, 0x2C28, 0xF254, + 0x383B, 0x8428, 0x320F, 0x8528, 0x320E, 0x8F02, 0x1341, 0xF264, + 0x3EB6, 0x8428, 0x3EB9, 0x8528, 0x383A, 0x8FA9, 0x3EB5, 0xF294, + 0x3EB7, 0x8474, 0x3EBA, 0x8575, 0x3EB8, 0xC4C3, 0x3EBB, 0xC5C3, + + 0x0000, 0xA404, 0x0001, 0xA504, 0x141F, 0x8671, 0x14FD, 0x8287, + 0x3EBC, 0xE610, 0x3EC8, 0x8C7B, 0x031A, 0x87E6, 0x3EC8, 0x86F7, + 0x3EC0, 0x821E, 0x3EBE, 0xD208, 0x3EBD, 0x821F, 0x3ECA, 0x8386, + 0x3EC1, 0x8C03, 0x3EC9, 0x831E, 0x3ECA, 0x8C4C, 0x3EBF, 0x8C55, + + 0x3EC9, 0xC208, 0x3EC4, 0xBC84, 0x3EC8, 0x8EAD, 0x3EC8, 0xD308, + 0x3EC2, 0x8F7E, 0x3ECB, 0x8219, 0x3ECB, 0xD26E, 0x3EC5, 0x831F, + 0x3EC6, 0xC308, 0x3EC3, 0xB2FF, 0x3EC9, 0x8265, 0x3EC9, 0x8319, + 0x1342, 0xD36E, 0x3EC7, 0xB3FF, 0x0000, 0x8365, 0x1420, 0x9570, +}; + +static unsigned short init4[128] = { + 0x0C10, 0x8470, 0x14FE, 0xB488, 0x167F, 0xA470, 0x18E7, 0x84B5, + 0x1B6E, 0x842A, 0x1F1D, 0x852A, 0x0DA3, 0x0F7C, 0x167E, 0x7254, + 0x0000, 0x842A, 0x0001, 0x852A, 0x18E6, 0x0BAA, 0x1B6D, 0x7234, + 0x229F, 0x8429, 0x2746, 0x8529, 0x1F1C, 0x06E7, 0x229E, 0x7224, + + 0x0DA4, 0x8429, 0x2C29, 0x8529, 0x2745, 0x07F6, 0x2C28, 0x7254, + 0x383B, 0x8428, 0x320F, 0x8528, 0x320E, 0x0F02, 0x1341, 0x7264, + 0x3EB6, 0x8428, 0x3EB9, 0x8528, 0x383A, 0x0FA9, 0x3EB5, 0x7294, + 0x3EB7, 0x8474, 0x3EBA, 0x8575, 0x3EB8, 0x44C3, 0x3EBB, 0x45C3, + + 0x0000, 0xA404, 0x0001, 0xA504, 0x141F, 0x0671, 0x14FD, 0x0287, + 0x3EBC, 0xE610, 0x3EC8, 0x0C7B, 0x031A, 0x07E6, 0x3EC8, 0x86F7, + 0x3EC0, 0x821E, 0x3EBE, 0xD208, 0x3EBD, 0x021F, 0x3ECA, 0x0386, + 0x3EC1, 0x0C03, 0x3EC9, 0x031E, 0x3ECA, 0x8C4C, 0x3EBF, 0x0C55, + + 0x3EC9, 0xC208, 0x3EC4, 0xBC84, 0x3EC8, 0x0EAD, 0x3EC8, 0xD308, + 0x3EC2, 0x8F7E, 0x3ECB, 0x0219, 0x3ECB, 0xD26E, 0x3EC5, 0x031F, + 0x3EC6, 0xC308, 0x3EC3, 0x32FF, 0x3EC9, 0x0265, 0x3EC9, 0x8319, + 0x1342, 0xD36E, 0x3EC7, 0x33FF, 0x0000, 0x8365, 0x1420, 0x9570, +}; + + +/* send initialization arrays to start up */ +static void +awe_init_array(void) +{ + awe_send_array(init1); + awe_wait(1024); + awe_send_array(init2); + awe_send_array(init3); + awe_poke_dw(AWE_HWCF4, 0); + awe_poke_dw(AWE_HWCF5, 0x83); + awe_poke_dw(AWE_HWCF6, 0x8000); + awe_send_array(init4); +} + +/* send an initialization array */ +static void +awe_send_array(unsigned short *data) +{ + int i; + unsigned short *p; + + p = data; + for (i = 0; i < AWE_MAX_VOICES; i++, p++) + awe_poke(AWE_INIT1(i), *p); + for (i = 0; i < AWE_MAX_VOICES; i++, p++) + awe_poke(AWE_INIT2(i), *p); + for (i = 0; i < AWE_MAX_VOICES; i++, p++) + awe_poke(AWE_INIT3(i), *p); + for (i = 0; i < AWE_MAX_VOICES; i++, p++) + awe_poke(AWE_INIT4(i), *p); +} + + +/* + * set up awe32 channels to some known state. + */ + +/* set the envelope & LFO parameters to the default values; see ADIP */ +static void +awe_tweak_voice(int i) +{ + /* set all mod/vol envelope shape to minimum */ + awe_poke(AWE_ENVVOL(i), 0x8000); + awe_poke(AWE_ENVVAL(i), 0x8000); + awe_poke(AWE_DCYSUS(i), 0x7F7F); + awe_poke(AWE_ATKHLDV(i), 0x7F7F); + awe_poke(AWE_ATKHLD(i), 0x7F7F); + awe_poke(AWE_PEFE(i), 0); /* mod envelope height to zero */ + awe_poke(AWE_LFO1VAL(i), 0x8000); /* no delay for LFO1 */ + awe_poke(AWE_LFO2VAL(i), 0x8000); + awe_poke(AWE_IP(i), 0xE000); /* no pitch shift */ + awe_poke(AWE_IFATN(i), 0xFF00); /* volume to minimum */ + awe_poke(AWE_FMMOD(i), 0); + awe_poke(AWE_TREMFRQ(i), 0); + awe_poke(AWE_FM2FRQ2(i), 0); +} + +static void +awe_tweak(void) +{ + int i; + /* reset all channels */ + for (i = 0; i < awe_max_voices; i++) + awe_tweak_voice(i); +} + + +/* + * initializes the FM section of AWE32; + * see Vince Vu's unofficial AWE32 programming guide + */ + +static void +awe_init_fm(void) +{ +#ifndef AWE_ALWAYS_INIT_FM + /* if no extended memory is on board.. */ + if (awe_mem_size <= 0) + return; +#endif + DEBUG(3,printk("AWE32: initializing FM\n")); + + /* Initialize the last two channels for DRAM refresh and producing + the reverb and chorus effects for Yamaha OPL-3 synthesizer */ + + /* 31: FM left channel, 0xffffe0-0xffffe8 */ + awe_poke(AWE_DCYSUSV(30), 0x80); + awe_poke_dw(AWE_PSST(30), 0xFFFFFFE0); /* full left */ + awe_poke_dw(AWE_CSL(30), 0x00FFFFE8 | + (DEF_FM_CHORUS_DEPTH << 24)); + awe_poke_dw(AWE_PTRX(30), (DEF_FM_REVERB_DEPTH << 8)); + awe_poke_dw(AWE_CPF(30), 0); + awe_poke_dw(AWE_CCCA(30), 0x00FFFFE3); + + /* 32: FM right channel, 0xfffff0-0xfffff8 */ + awe_poke(AWE_DCYSUSV(31), 0x80); + awe_poke_dw(AWE_PSST(31), 0x00FFFFF0); /* full right */ + awe_poke_dw(AWE_CSL(31), 0x00FFFFF8 | + (DEF_FM_CHORUS_DEPTH << 24)); + awe_poke_dw(AWE_PTRX(31), (DEF_FM_REVERB_DEPTH << 8)); + awe_poke_dw(AWE_CPF(31), 0x8000); + awe_poke_dw(AWE_CCCA(31), 0x00FFFFF3); + + /* skew volume & cutoff */ + awe_poke_dw(AWE_VTFT(30), 0x8000FFFF); + awe_poke_dw(AWE_VTFT(31), 0x8000FFFF); + + voices[30].state = AWE_ST_FM; + voices[31].state = AWE_ST_FM; + + /* change maximum channels to 30 */ + awe_max_voices = AWE_NORMAL_VOICES; + if (playing_mode == AWE_PLAY_DIRECT) + awe_info.nr_voices = awe_max_voices; + else + awe_info.nr_voices = AWE_MAX_CHANNELS; + voice_alloc->max_voice = awe_max_voices; +} + +/* + * AWE32 DRAM access routines + */ + +/* open DRAM write accessing mode */ +static int +awe_open_dram_for_write(int offset, int channels) +{ + int vidx[AWE_NORMAL_VOICES]; + int i; + + if (channels < 0 || channels >= AWE_NORMAL_VOICES) { + channels = AWE_NORMAL_VOICES; + for (i = 0; i < AWE_NORMAL_VOICES; i++) + vidx[i] = i; + } else { + for (i = 0; i < channels; i++) + vidx[i] = awe_clear_voice(); + } + + /* use all channels for DMA transfer */ + for (i = 0; i < channels; i++) { + if (vidx[i] < 0) continue; + awe_poke(AWE_DCYSUSV(vidx[i]), 0x80); + awe_poke_dw(AWE_VTFT(vidx[i]), 0); + awe_poke_dw(AWE_CVCF(vidx[i]), 0); + awe_poke_dw(AWE_PTRX(vidx[i]), 0x40000000); + awe_poke_dw(AWE_CPF(vidx[i]), 0x40000000); + awe_poke_dw(AWE_PSST(vidx[i]), 0); + awe_poke_dw(AWE_CSL(vidx[i]), 0); + awe_poke_dw(AWE_CCCA(vidx[i]), 0x06000000); + voices[vidx[i]].state = AWE_ST_DRAM; + } + /* point channels 31 & 32 to ROM samples for DRAM refresh */ + awe_poke_dw(AWE_VTFT(30), 0); + awe_poke_dw(AWE_PSST(30), 0x1d8); + awe_poke_dw(AWE_CSL(30), 0x1e0); + awe_poke_dw(AWE_CCCA(30), 0x1d8); + awe_poke_dw(AWE_VTFT(31), 0); + awe_poke_dw(AWE_PSST(31), 0x1d8); + awe_poke_dw(AWE_CSL(31), 0x1e0); + awe_poke_dw(AWE_CCCA(31), 0x1d8); + voices[30].state = AWE_ST_FM; + voices[31].state = AWE_ST_FM; + + /* if full bit is on, not ready to write on */ + if (awe_peek_dw(AWE_SMALW) & 0x80000000) { + for (i = 0; i < channels; i++) { + awe_poke_dw(AWE_CCCA(vidx[i]), 0); + voices[i].state = AWE_ST_OFF; + } + return RET_ERROR(ENOSPC); + } + + /* set address to write */ + awe_poke_dw(AWE_SMALW, offset); + + return 0; +} + +/* open DRAM for RAM size detection */ +static void +awe_open_dram_for_check(void) +{ + int i; + for (i = 0; i < AWE_NORMAL_VOICES; i++) { + awe_poke(AWE_DCYSUSV(i), 0x80); + awe_poke_dw(AWE_VTFT(i), 0); + awe_poke_dw(AWE_CVCF(i), 0); + awe_poke_dw(AWE_PTRX(i), 0x40000000); + awe_poke_dw(AWE_CPF(i), 0x40000000); + awe_poke_dw(AWE_PSST(i), 0); + awe_poke_dw(AWE_CSL(i), 0); + if (i & 1) /* DMA write */ + awe_poke_dw(AWE_CCCA(i), 0x06000000); + else /* DMA read */ + awe_poke_dw(AWE_CCCA(i), 0x04000000); + voices[i].state = AWE_ST_DRAM; + } +} + + +/* close dram access */ +static void +awe_close_dram(void) +{ + int i; + /* wait until FULL bit in SMAxW register be false */ + for (i = 0; i < 10000; i++) { + if (!(awe_peek_dw(AWE_SMALW) & 0x80000000)) + break; + awe_wait(10); + } + + for (i = 0; i < AWE_NORMAL_VOICES; i++) { + if (voices[i].state == AWE_ST_DRAM) { + awe_poke_dw(AWE_CCCA(i), 0); + awe_poke(AWE_DCYSUSV(i), 0x807F); + voices[i].state = AWE_ST_OFF; + } + } +} + + +/*================================================================ + * detect presence of AWE32 and check memory size + *================================================================*/ + +/* detect emu8000 chip on the specified address; from VV's guide */ + +static int +awe_detect_base(int addr) +{ + awe_base = addr; + if ((awe_peek(AWE_U1) & 0x000F) != 0x000C) + return 0; + if ((awe_peek(AWE_HWCF1) & 0x007E) != 0x0058) + return 0; + if ((awe_peek(AWE_HWCF2) & 0x0003) != 0x0003) + return 0; + DEBUG(0,printk("AWE32 found at %x\n", awe_base)); + return 1; +} + +static int +awe_detect(void) +{ + int base; + if (awe_base == 0) { + for (base = 0x620; base <= 0x680; base += 0x20) + if (awe_detect_base(base)) + return 1; + DEBUG(0,printk("AWE32 not found\n")); + return 0; + } + return 1; +} + + +/*================================================================ + * check dram size on AWE board + *================================================================*/ + +/* any three numbers you like */ +#define UNIQUE_ID1 0x1234 +#define UNIQUE_ID2 0x4321 +#define UNIQUE_ID3 0xFFFF + +static int +awe_check_dram(void) +{ + if (awe_mem_size > 0) { + awe_mem_size *= 1024; /* convert to Kbytes */ + return awe_mem_size; + } + + awe_open_dram_for_check(); + + awe_mem_size = 0; + + /* set up unique two id numbers */ + awe_poke_dw(AWE_SMALW, AWE_DRAM_OFFSET); + awe_poke(AWE_SMLD, UNIQUE_ID1); + awe_poke(AWE_SMLD, UNIQUE_ID2); + + while (awe_mem_size < AWE_MAX_DRAM_SIZE) { + awe_wait(2); + /* read a data on the DRAM start address */ + awe_poke_dw(AWE_SMALR, AWE_DRAM_OFFSET); + awe_peek(AWE_SMLD); /* discard stale data */ + if (awe_peek(AWE_SMLD) != UNIQUE_ID1) + break; + if (awe_peek(AWE_SMLD) != UNIQUE_ID2) + break; + awe_mem_size += 32; /* increment 32 Kbytes */ + /* Write a unique data on the test address; + * if the address is out of range, the data is written on + * 0x200000(=AWE_DRAM_OFFSET). Then the two id words are + * broken by this data. + */ + awe_poke_dw(AWE_SMALW, AWE_DRAM_OFFSET + awe_mem_size*512L); + awe_poke(AWE_SMLD, UNIQUE_ID3); + awe_wait(2); + /* read a data on the just written DRAM address */ + awe_poke_dw(AWE_SMALR, AWE_DRAM_OFFSET + awe_mem_size*512L); + awe_peek(AWE_SMLD); /* discard stale data */ + if (awe_peek(AWE_SMLD) != UNIQUE_ID3) + break; + } + awe_close_dram(); + + DEBUG(0,printk("AWE32: %d Kbytes memory detected\n", awe_mem_size)); + + /* convert to Kbytes */ + awe_mem_size *= 1024; + return awe_mem_size; +} + + +/*================================================================ + * chorus and reverb controls; from VV's guide + *================================================================*/ + +/* 5 parameters for each chorus mode; 3 x 16bit, 2 x 32bit */ +static char chorus_defined[AWE_CHORUS_NUMBERS]; +static awe_chorus_fx_rec chorus_parm[AWE_CHORUS_NUMBERS] = { + {0xE600, 0x03F6, 0xBC2C ,0x00000000, 0x0000006D}, /* chorus 1 */ + {0xE608, 0x031A, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 2 */ + {0xE610, 0x031A, 0xBC84, 0x00000000, 0x00000083}, /* chorus 3 */ + {0xE620, 0x0269, 0xBC6E, 0x00000000, 0x0000017C}, /* chorus 4 */ + {0xE680, 0x04D3, 0xBCA6, 0x00000000, 0x0000005B}, /* feedback */ + {0xE6E0, 0x044E, 0xBC37, 0x00000000, 0x00000026}, /* flanger */ + {0xE600, 0x0B06, 0xBC00, 0x0000E000, 0x00000083}, /* short delay */ + {0xE6C0, 0x0B06, 0xBC00, 0x0000E000, 0x00000083}, /* short delay + feedback */ +}; + +static int +awe_load_chorus_fx(awe_patch_info *patch, const char *addr, int count) +{ + if (patch->optarg < AWE_CHORUS_PREDEFINED || patch->optarg >= AWE_CHORUS_NUMBERS) { + printk("AWE32 Error: illegal chorus mode %d for uploading\n", patch->optarg); + return RET_ERROR(EINVAL); + } + if (count < sizeof(awe_chorus_fx_rec)) { + printk("AWE32 Error: too short chorus fx parameters\n"); + return RET_ERROR(EINVAL); + } + COPY_FROM_USER(&chorus_parm[patch->optarg], addr, AWE_PATCH_INFO_SIZE, + sizeof(awe_chorus_fx_rec)); + chorus_defined[patch->optarg] = TRUE; + return 0; +} + +static void +awe_set_chorus_mode(int effect) +{ + if (effect < 0 || effect >= AWE_CHORUS_NUMBERS || + (effect >= AWE_CHORUS_PREDEFINED && !chorus_defined[effect])) + return; + awe_poke(AWE_INIT3(9), chorus_parm[effect].feedback); + awe_poke(AWE_INIT3(12), chorus_parm[effect].delay_offset); + awe_poke(AWE_INIT4(3), chorus_parm[effect].lfo_depth); + awe_poke_dw(AWE_HWCF4, chorus_parm[effect].delay); + awe_poke_dw(AWE_HWCF5, chorus_parm[effect].lfo_freq); + awe_poke_dw(AWE_HWCF6, 0x8000); + awe_poke_dw(AWE_HWCF7, 0x0000); + chorus_mode = effect; +} + +/*----------------------------------------------------------------*/ + +/* reverb mode settings; write the following 28 data of 16 bit length + * on the corresponding ports in the reverb_cmds array + */ +static char reverb_defined[AWE_CHORUS_NUMBERS]; +static awe_reverb_fx_rec reverb_parm[AWE_REVERB_NUMBERS] = { +{{ /* room 1 */ + 0xB488, 0xA450, 0x9550, 0x84B5, 0x383A, 0x3EB5, 0x72F4, + 0x72A4, 0x7254, 0x7204, 0x7204, 0x7204, 0x4416, 0x4516, + 0xA490, 0xA590, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, + 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, +}}, +{{ /* room 2 */ + 0xB488, 0xA458, 0x9558, 0x84B5, 0x383A, 0x3EB5, 0x7284, + 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548, + 0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, + 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, +}}, +{{ /* room 3 */ + 0xB488, 0xA460, 0x9560, 0x84B5, 0x383A, 0x3EB5, 0x7284, + 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4416, 0x4516, + 0xA490, 0xA590, 0x842C, 0x852C, 0x842C, 0x852C, 0x842B, + 0x852B, 0x842B, 0x852B, 0x842A, 0x852A, 0x842A, 0x852A, +}}, +{{ /* hall 1 */ + 0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7284, + 0x7254, 0x7224, 0x7224, 0x7254, 0x7284, 0x4448, 0x4548, + 0xA440, 0xA540, 0x842B, 0x852B, 0x842B, 0x852B, 0x842A, + 0x852A, 0x842A, 0x852A, 0x8429, 0x8529, 0x8429, 0x8529, +}}, +{{ /* hall 2 */ + 0xB488, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7254, + 0x7234, 0x7224, 0x7254, 0x7264, 0x7294, 0x44C3, 0x45C3, + 0xA404, 0xA504, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, + 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, +}}, +{{ /* plate */ + 0xB4FF, 0xA470, 0x9570, 0x84B5, 0x383A, 0x3EB5, 0x7234, + 0x7234, 0x7234, 0x7234, 0x7234, 0x7234, 0x4448, 0x4548, + 0xA440, 0xA540, 0x842A, 0x852A, 0x842A, 0x852A, 0x8429, + 0x8529, 0x8429, 0x8529, 0x8428, 0x8528, 0x8428, 0x8528, +}}, +{{ /* delay */ + 0xB4FF, 0xA470, 0x9500, 0x84B5, 0x333A, 0x39B5, 0x7204, + 0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500, + 0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, + 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, +}}, +{{ /* panning delay */ + 0xB4FF, 0xA490, 0x9590, 0x8474, 0x333A, 0x39B5, 0x7204, + 0x7204, 0x7204, 0x7204, 0x7204, 0x72F4, 0x4400, 0x4500, + 0xA4FF, 0xA5FF, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, + 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, 0x8420, 0x8520, +}}, +}; + +static struct ReverbCmdPair { + unsigned short cmd, port; +} reverb_cmds[28] = { + {AWE_INIT1(0x03)}, {AWE_INIT1(0x05)}, {AWE_INIT4(0x1F)}, {AWE_INIT1(0x07)}, + {AWE_INIT2(0x14)}, {AWE_INIT2(0x16)}, {AWE_INIT1(0x0F)}, {AWE_INIT1(0x17)}, + {AWE_INIT1(0x1F)}, {AWE_INIT2(0x07)}, {AWE_INIT2(0x0F)}, {AWE_INIT2(0x17)}, + {AWE_INIT2(0x1D)}, {AWE_INIT2(0x1F)}, {AWE_INIT3(0x01)}, {AWE_INIT3(0x03)}, + {AWE_INIT1(0x09)}, {AWE_INIT1(0x0B)}, {AWE_INIT1(0x11)}, {AWE_INIT1(0x13)}, + {AWE_INIT1(0x19)}, {AWE_INIT1(0x1B)}, {AWE_INIT2(0x01)}, {AWE_INIT2(0x03)}, + {AWE_INIT2(0x09)}, {AWE_INIT2(0x0B)}, {AWE_INIT2(0x11)}, {AWE_INIT2(0x13)}, +}; + +static int +awe_load_reverb_fx(awe_patch_info *patch, const char *addr, int count) +{ + if (patch->optarg < AWE_REVERB_PREDEFINED || patch->optarg >= AWE_REVERB_NUMBERS) { + printk("AWE32 Error: illegal reverb mode %d for uploading\n", patch->optarg); + return RET_ERROR(EINVAL); + } + if (count < sizeof(awe_reverb_fx_rec)) { + printk("AWE32 Error: too short reverb fx parameters\n"); + return RET_ERROR(EINVAL); + } + COPY_FROM_USER(&reverb_parm[patch->optarg], addr, AWE_PATCH_INFO_SIZE, + sizeof(awe_reverb_fx_rec)); + reverb_defined[patch->optarg] = TRUE; + return 0; +} + +static void +awe_set_reverb_mode(int effect) +{ + int i; + if (effect < 0 || effect >= AWE_REVERB_NUMBERS || + (effect >= AWE_REVERB_PREDEFINED && !reverb_defined[effect])) + return; + for (i = 0; i < 28; i++) + awe_poke(reverb_cmds[i].cmd, reverb_cmds[i].port, + reverb_parm[effect].parms[i]); + reverb_mode = effect; +} + +/*================================================================ + * treble/bass equalizer control + *================================================================*/ + +static unsigned short bass_parm[12][3] = { + {0xD26A, 0xD36A, 0x0000}, /* -12 dB */ + {0xD25B, 0xD35B, 0x0000}, /* -8 */ + {0xD24C, 0xD34C, 0x0000}, /* -6 */ + {0xD23D, 0xD33D, 0x0000}, /* -4 */ + {0xD21F, 0xD31F, 0x0000}, /* -2 */ + {0xC208, 0xC308, 0x0001}, /* 0 (HW default) */ + {0xC219, 0xC319, 0x0001}, /* +2 */ + {0xC22A, 0xC32A, 0x0001}, /* +4 */ + {0xC24C, 0xC34C, 0x0001}, /* +6 */ + {0xC26E, 0xC36E, 0x0001}, /* +8 */ + {0xC248, 0xC348, 0x0002}, /* +10 */ + {0xC26A, 0xC36A, 0x0002}, /* +12 dB */ +}; + +static unsigned short treble_parm[12][9] = { + {0x821E, 0xC26A, 0x031E, 0xC36A, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, /* -12 dB */ + {0x821E, 0xC25B, 0x031E, 0xC35B, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, + {0x821E, 0xC24C, 0x031E, 0xC34C, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, + {0x821E, 0xC23D, 0x031E, 0xC33D, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, + {0x821E, 0xC21F, 0x031E, 0xC31F, 0x021E, 0xD208, 0x831E, 0xD308, 0x0001}, + {0x821E, 0xD208, 0x031E, 0xD308, 0x021E, 0xD208, 0x831E, 0xD308, 0x0002}, + {0x821E, 0xD208, 0x031E, 0xD308, 0x021D, 0xD219, 0x831D, 0xD319, 0x0002}, + {0x821E, 0xD208, 0x031E, 0xD308, 0x021C, 0xD22A, 0x831C, 0xD32A, 0x0002}, + {0x821E, 0xD208, 0x031E, 0xD308, 0x021A, 0xD24C, 0x831A, 0xD34C, 0x0002}, + {0x821E, 0xD208, 0x031E, 0xD308, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}, /* +8 (HW default) */ + {0x821D, 0xD219, 0x031D, 0xD319, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}, + {0x821C, 0xD22A, 0x031C, 0xD32A, 0x0219, 0xD26E, 0x8319, 0xD36E, 0x0002}, /* +12 dB */ +}; + + +/* + * set Emu8000 digital equalizer; from 0 to 11 [-12dB - 12dB] + */ +static void +awe_equalizer(int bass, int treble) +{ + unsigned short w; + + if (bass < 0 || bass > 11 || treble < 0 || treble > 11) + return; + awe_bass_level = bass; + awe_treble_level = treble; + awe_poke(AWE_INIT4(0x01), bass_parm[bass][0]); + awe_poke(AWE_INIT4(0x11), bass_parm[bass][1]); + awe_poke(AWE_INIT3(0x11), treble_parm[treble][0]); + awe_poke(AWE_INIT3(0x13), treble_parm[treble][1]); + awe_poke(AWE_INIT3(0x1B), treble_parm[treble][2]); + awe_poke(AWE_INIT4(0x07), treble_parm[treble][3]); + awe_poke(AWE_INIT4(0x0B), treble_parm[treble][4]); + awe_poke(AWE_INIT4(0x0D), treble_parm[treble][5]); + awe_poke(AWE_INIT4(0x17), treble_parm[treble][6]); + awe_poke(AWE_INIT4(0x19), treble_parm[treble][7]); + w = bass_parm[bass][2] + treble_parm[treble][8]; + awe_poke(AWE_INIT4(0x15), (unsigned short)(w + 0x0262)); + awe_poke(AWE_INIT4(0x1D), (unsigned short)(w + 0x8362)); +} + + +#endif /* CONFIG_AWE32_SYNTH */ |