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Diffstat (limited to 'sound/oss/awe_wave.c')
| -rw-r--r-- | sound/oss/awe_wave.c | 6149 |
1 files changed, 0 insertions, 6149 deletions
diff --git a/sound/oss/awe_wave.c b/sound/oss/awe_wave.c deleted file mode 100644 index 01c592cee045..000000000000 --- a/sound/oss/awe_wave.c +++ /dev/null @@ -1,6149 +0,0 @@ -/* - * sound/oss/awe_wave.c - * - * The low level driver for the AWE32/SB32/AWE64 wave table synth. - * version 0.4.4; Jan. 4, 2000 - * - * Copyright (C) 1996-2000 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. - */ - -/* - * Changelog: - * Aug 18, 2003, Adam Belay <ambx1@neo.rr.com> - * - detection code rewrite - */ - -#include <linux/awe_voice.h> -#include <linux/config.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/string.h> -#include <linux/pnp.h> - -#include "sound_config.h" - -#include "awe_wave.h" -#include "awe_hw.h" - -#ifdef AWE_HAS_GUS_COMPATIBILITY -#include "tuning.h" -#include <linux/ultrasound.h> -#endif - -/* - * debug message - */ - -#ifdef AWE_DEBUG_ON -#define DEBUG(LVL,XXX) {if (ctrls[AWE_MD_DEBUG_MODE] > LVL) { XXX; }} -#define ERRMSG(XXX) {if (ctrls[AWE_MD_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 - */ - -typedef struct _sf_list sf_list; -typedef struct _awe_voice_list awe_voice_list; -typedef struct _awe_sample_list awe_sample_list; - -/* soundfont record */ -struct _sf_list { - unsigned short sf_id; /* id number */ - unsigned short type; /* lock & shared flags */ - int num_info; /* current info table index */ - int num_sample; /* current sample table index */ - int mem_ptr; /* current word byte pointer */ - awe_voice_list *infos, *last_infos; /* instruments */ - awe_sample_list *samples, *last_samples; /* samples */ -#ifdef AWE_ALLOW_SAMPLE_SHARING - sf_list *shared; /* shared list */ - unsigned char name[AWE_PATCH_NAME_LEN]; /* sharing id */ -#endif - sf_list *next, *prev; -}; - -/* instrument list */ -struct _awe_voice_list { - awe_voice_info v; /* instrument information */ - sf_list *holder; /* parent sf_list of this record */ - unsigned char bank, instr; /* preset number information */ - char type, disabled; /* type=normal/mapped, disabled=boolean */ - awe_voice_list *next; /* linked list with same sf_id */ - awe_voice_list *next_instr; /* instrument list */ - awe_voice_list *next_bank; /* hash table list */ -}; - -/* voice list type */ -#define V_ST_NORMAL 0 -#define V_ST_MAPPED 1 - -/* sample list */ -struct _awe_sample_list { - awe_sample_info v; /* sample information */ - sf_list *holder; /* parent sf_list of this record */ - awe_sample_list *next; /* linked list with same sf_id */ -}; - -/* sample and information table */ -static int current_sf_id; /* current number of fonts */ -static int locked_sf_id; /* locked position */ -static sf_list *sfhead, *sftail; /* linked-lists */ - -#define awe_free_mem_ptr() (sftail ? sftail->mem_ptr : 0) -#define awe_free_info() (sftail ? sftail->num_info : 0) -#define awe_free_sample() (sftail ? sftail->num_sample : 0) - -#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 awe_voice_list *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 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 */ - int acutoff; /* cutoff parameter */ - short aaux; /* aux word */ -} voice_info; - -/* voice information */ -static voice_info voices[AWE_MAX_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[AWE_MAX_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 -1 /* autodetect */ -#endif - -static int io = AWE_DEFAULT_BASE_ADDR; /* Emu8000 base address */ -static int memsize = AWE_DEFAULT_MEM_SIZE; /* memory size in Kbytes */ -#ifdef CONFIG_PNP -static int isapnp = -1; -#else -static int isapnp; -#endif - -MODULE_AUTHOR("Takashi Iwai <iwai@ww.uni-erlangen.de>"); -MODULE_DESCRIPTION("SB AWE32/64 WaveTable driver"); -MODULE_LICENSE("GPL"); - -module_param(io, int, 0); -MODULE_PARM_DESC(io, "base i/o port of Emu8000"); -module_param(memsize, int, 0); -MODULE_PARM_DESC(memsize, "onboard DRAM size in Kbytes"); -module_param(isapnp, bool, 0); -MODULE_PARM_DESC(isapnp, "use ISAPnP detection"); - -/* 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; /* sample already loaded? */ - -static char atten_relative = FALSE; -static short atten_offset; - -static int awe_present = FALSE; /* awe device present? */ -static int awe_busy = FALSE; /* awe device opened? */ - -static int my_dev = -1; - -#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; /* voice allocation index for channel mode */ - -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) */ - 400 /* instr_bank_size */ -}; - - -static struct voice_alloc_info *voice_alloc; /* set at initialization */ - - -/* - * function prototypes - */ - -static int awe_request_region(void); -static void awe_release_region(void); - -static void awe_reset_samples(void); -/* emu8000 chip i/o access */ -static void setup_ports(int p1, int p2, int p3); -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_ctrl_parms(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 /* gus compat */ - -/* 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_update_volume(void); -static void awe_change_master_volume(short val); -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); -static void awe_send_effect(int voice, int layer, int type, int val); -static void awe_modwheel_change(int voice, int value); - -/* 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, void __user * 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 __user *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); -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); - -#define awe_key_pressure(dev,voice,key,press) awe_start_note(dev,voice,(key)+128,press) - -/* 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_key(int bank, int preset, int note); -static awe_voice_list *awe_search_instr(int bank, int preset, int note); -static int awe_search_multi_voices(awe_voice_list *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 __user *addr, int count); -static int awe_close_patch(awe_patch_info *patch, const char __user *addr, int count); -static int awe_unload_patch(awe_patch_info *patch, const char __user *addr, int count); -static int awe_load_info(awe_patch_info *patch, const char __user *addr, int count); -static int awe_remove_info(awe_patch_info *patch, const char __user *addr, int count); -static int awe_load_data(awe_patch_info *patch, const char __user *addr, int count); -static int awe_replace_data(awe_patch_info *patch, const char __user *addr, int count); -static int awe_load_map(awe_patch_info *patch, const char __user *addr, int count); -#ifdef AWE_HAS_GUS_COMPATIBILITY -static int awe_load_guspatch(const char __user *addr, int offs, int size, int pmgr_flag); -#endif -/*static int awe_probe_info(awe_patch_info *patch, const char __user *addr, int count);*/ -static int awe_probe_data(awe_patch_info *patch, const char __user *addr, int count); -static sf_list *check_patch_opened(int type, char *name); -static int awe_write_wave_data(const char __user *addr, int offset, awe_sample_list *sp, int channels); -static int awe_create_sf(int type, char *name); -static void awe_free_sf(sf_list *sf); -static void add_sf_info(sf_list *sf, awe_voice_list *rec); -static void add_sf_sample(sf_list *sf, awe_sample_list *smp); -static void purge_old_list(awe_voice_list *rec, awe_voice_list *next); -static void add_info_list(awe_voice_list *rec); -static void awe_remove_samples(int sf_id); -static void rebuild_preset_list(void); -static short awe_set_sample(awe_voice_list *rec); -static awe_sample_list *search_sample_index(sf_list *sf, int sample); - -static int is_identical_holder(sf_list *sf1, sf_list *sf2); -#ifdef AWE_ALLOW_SAMPLE_SHARING -static int is_identical_name(unsigned char *name, sf_list *p); -static int is_shared_sf(unsigned char *name); -static int info_duplicated(sf_list *sf, awe_voice_list *rec); -#endif /* allow sharing */ - -/* 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 void awe_check_dram(void); -static int awe_load_chorus_fx(awe_patch_info *patch, const char __user *addr, int count); -static void awe_set_chorus_mode(int mode); -static void awe_update_chorus_mode(void); -static int awe_load_reverb_fx(awe_patch_info *patch, const char __user *addr, int count); -static void awe_set_reverb_mode(int mode); -static void awe_update_reverb_mode(void); -static void awe_equalizer(int bass, int treble); -static void awe_update_equalizer(void); - -#ifdef CONFIG_AWE32_MIXER -static void attach_mixer(void); -static void unload_mixer(void); -#endif - -#ifdef CONFIG_AWE32_MIDIEMU -static void attach_midiemu(void); -static void unload_midiemu(void); -#endif - -#define limitvalue(x, a, b) if ((x) < (a)) (x) = (a); else if ((x) > (b)) (x) = (b) - -/* - * control parameters - */ - - -#ifdef AWE_USE_NEW_VOLUME_CALC -#define DEF_VOLUME_CALC TRUE -#else -#define DEF_VOLUME_CALC FALSE -#endif /* new volume */ - -#define DEF_ZERO_ATTEN 32 /* 12dB below */ -#define DEF_MOD_SENSE 18 -#define DEF_CHORUS_MODE 2 -#define DEF_REVERB_MODE 4 -#define DEF_BASS_LEVEL 5 -#define DEF_TREBLE_LEVEL 9 - -static struct CtrlParmsDef { - int value; - int init_each_time; - void (*update)(void); -} ctrl_parms[AWE_MD_END] = { - {0,0, NULL}, {0,0, NULL}, /* <-- not used */ - {AWE_VERSION_NUMBER, FALSE, NULL}, - {TRUE, FALSE, NULL}, /* exclusive */ - {TRUE, FALSE, NULL}, /* realpan */ - {AWE_DEFAULT_BANK, FALSE, NULL}, /* gusbank */ - {FALSE, TRUE, NULL}, /* keep effect */ - {DEF_ZERO_ATTEN, FALSE, awe_update_volume}, /* zero_atten */ - {FALSE, FALSE, NULL}, /* chn_prior */ - {DEF_MOD_SENSE, FALSE, NULL}, /* modwheel sense */ - {AWE_DEFAULT_PRESET, FALSE, NULL}, /* def_preset */ - {AWE_DEFAULT_BANK, FALSE, NULL}, /* def_bank */ - {AWE_DEFAULT_DRUM, FALSE, NULL}, /* def_drum */ - {FALSE, FALSE, NULL}, /* toggle_drum_bank */ - {DEF_VOLUME_CALC, FALSE, awe_update_volume}, /* new_volume_calc */ - {DEF_CHORUS_MODE, FALSE, awe_update_chorus_mode}, /* chorus mode */ - {DEF_REVERB_MODE, FALSE, awe_update_reverb_mode}, /* reverb mode */ - {DEF_BASS_LEVEL, FALSE, awe_update_equalizer}, /* bass level */ - {DEF_TREBLE_LEVEL, FALSE, awe_update_equalizer}, /* treble level */ - {0, FALSE, NULL}, /* debug mode */ - {FALSE, FALSE, NULL}, /* pan exchange */ -}; - -static int ctrls[AWE_MD_END]; - - -/* - * synth operation table - */ - -static struct synth_operations awe_operations = -{ - .owner = THIS_MODULE, - .id = "EMU8K", - .info = &awe_info, - .midi_dev = 0, - .synth_type = SYNTH_TYPE_SAMPLE, - .synth_subtype = SAMPLE_TYPE_AWE32, - .open = awe_open, - .close = awe_close, - .ioctl = awe_ioctl, - .kill_note = awe_kill_note, - .start_note = awe_start_note, - .set_instr = awe_set_instr_2, - .reset = awe_reset, - .hw_control = awe_hw_control, - .load_patch = awe_load_patch, - .aftertouch = awe_aftertouch, - .controller = awe_controller, - .panning = awe_panning, - .volume_method = awe_volume_method, - .bender = awe_bender, - .alloc_voice = awe_alloc, - .setup_voice = awe_setup_voice -}; - -static void free_tables(void) -{ - if (sftail) { - sf_list *p, *prev; - for (p = sftail; p; p = prev) { - prev = p->prev; - awe_free_sf(p); - } - } - sfhead = sftail = NULL; -} - -/* - * clear sample tables - */ - -static void -awe_reset_samples(void) -{ - /* free all bank tables */ - memset(preset_table, 0, sizeof(preset_table)); - free_tables(); - - current_sf_id = 0; - locked_sf_id = 0; - patch_opened = 0; -} - - -/* - * EMU register access - */ - -/* select a given AWE32 pointer */ -static int awe_ports[5]; -static int port_setuped = FALSE; -static int awe_cur_cmd = -1; -#define awe_set_cmd(cmd) \ -if (awe_cur_cmd != cmd) { outw(cmd, awe_ports[Pointer]); awe_cur_cmd = cmd; } - -/* write 16bit data */ -static void -awe_poke(unsigned short cmd, unsigned short port, unsigned short data) -{ - awe_set_cmd(cmd); - outw(data, awe_ports[port]); -} - -/* write 32bit data */ -static void -awe_poke_dw(unsigned short cmd, unsigned short port, unsigned int data) -{ - unsigned short addr = awe_ports[port]; - awe_set_cmd(cmd); - outw(data, addr); /* write lower 16 bits */ - outw(data >> 16, addr + 2); /* write higher 16 bits */ -} - -/* read 16bit data */ -static unsigned short -awe_peek(unsigned short cmd, unsigned short port) -{ - unsigned short k; - awe_set_cmd(cmd); - k = inw(awe_ports[port]); - return k; -} - -/* read 32bit data */ -static unsigned int -awe_peek_dw(unsigned short cmd, unsigned short port) -{ - unsigned int k1, k2; - unsigned short addr = awe_ports[port]; - awe_set_cmd(cmd); - k1 = inw(addr); - k2 = inw(addr + 2); - k1 |= k2 << 16; - return k1; -} - -/* wait delay number of AWE32 44100Hz clocks */ -#ifdef WAIT_BY_LOOP /* wait by loop -- that's not good.. */ -static void -awe_wait(unsigned short delay) -{ - unsigned short clock, target; - unsigned short port = awe_ports[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; -} -#else - -static void awe_wait(unsigned short delay) -{ - current->state = TASK_INTERRUPTIBLE; - schedule_timeout((HZ*(unsigned long)delay + 44099)/44100); -} -/* -static void awe_wait(unsigned short delay) -{ - udelay(((unsigned long)delay * 1000000L + 44099) / 44100); -} -*/ -#endif /* wait by loop */ - -/* write a word data */ -#define awe_write_dram(c) awe_poke(AWE_SMLD, c) - -/* - * AWE32 voice parameters - */ - -/* initialize voice_info record */ -static void -awe_init_voice_info(awe_voice_info *vp) -{ - 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, 32767, 5989, 4235, 2994, 2518, 2117, 1780, 1497, 1373, 1259, 1154, 1058, 970, 890, 816, -707, 691, 662, 634, 607, 581, 557, 533, 510, 489, 468, 448, 429, 411, 393, 377, -361, 345, 331, 317, 303, 290, 278, 266, 255, 244, 234, 224, 214, 205, 196, 188, -180, 172, 165, 158, 151, 145, 139, 133, 127, 122, 117, 112, 107, 102, 98, 94, -90, 86, 82, 79, 75, 72, 69, 66, 63, 61, 58, 56, 53, 51, 49, 47, -45, 43, 41, 39, 37, 36, 34, 33, 31, 30, 29, 28, 26, 25, 24, 23, -22, 21, 20, 19, 19, 18, 17, 16, 16, 15, 15, 14, 13, 13, 12, 12, -11, 11, 10, 10, 10, 9, 9, 8, 8, 8, 8, 7, 7, 7, 6, 0, -}; - -static short decay_time_tbl[128] = { -32767, 32767, 22614, 15990, 11307, 9508, 7995, 6723, 5653, 5184, 4754, 4359, 3997, 3665, 3361, 3082, -2828, 2765, 2648, 2535, 2428, 2325, 2226, 2132, 2042, 1955, 1872, 1793, 1717, 1644, 1574, 1507, -1443, 1382, 1324, 1267, 1214, 1162, 1113, 1066, 978, 936, 897, 859, 822, 787, 754, 722, -691, 662, 634, 607, 581, 557, 533, 510, 489, 468, 448, 429, 411, 393, 377, 361, -345, 331, 317, 303, 290, 278, 266, 255, 244, 234, 224, 214, 205, 196, 188, 180, -172, 165, 158, 151, 145, 139, 133, 127, 122, 117, 112, 107, 102, 98, 94, 90, -86, 82, 79, 75, 72, 69, 66, 63, 61, 58, 56, 53, 51, 49, 47, 45, -43, 41, 39, 37, 36, 34, 33, 31, 30, 29, 28, 26, 25, 24, 23, 22, -}; - -#define calc_parm_delay(msec) (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 -#define PARM_SIGN 2 - -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_SIGN, -128, 127, awe_fx_tremfrq}, /* lfo1 volume */ - {PARM_SIGN, -128, 127, awe_fx_fmmod}, /* lfo1 pitch */ - {PARM_BYTE, 0, 0xff, awe_fx_fmmod}, /* lfo1 cutoff */ - - {PARM_WORD, 0, 0x8000, NULL}, /* lfo2 delay */ - {PARM_BYTE, 0, 0xff, awe_fx_fm2frq2}, /* lfo2 freq */ - {PARM_SIGN, -128, 127, awe_fx_fm2frq2}, /* lfo2 pitch */ - - {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) { - if (parm_defs[type].type == PARM_SIGN) { - if (value > 0x7f) - effect += (int)value - 0x100; - else - effect += (int)value; - } else { - 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 - */ - -/* table for volume target calculation */ -static unsigned short voltarget[16] = { - 0xEAC0, 0XE0C8, 0XD740, 0XCE20, 0XC560, 0XBD08, 0XB500, 0XAD58, - 0XA5F8, 0X9EF0, 0X9830, 0X91C0, 0X8B90, 0X85A8, 0X8000, 0X7A90 -}; - -static void -awe_note_on(int voice) -{ - unsigned int temp; - int addr; - int vtarget, ftarget, ptarget, pitch; - awe_voice_info *vp; - awe_voice_parm_block *parm; - 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; - - parm = (awe_voice_parm_block*)&vp->parm; - - /* channel to be silent and idle */ - awe_poke(AWE_DCYSUSV(voice), 0x0080); - awe_poke(AWE_VTFT(voice), 0x0000FFFF); - awe_poke(AWE_CVCF(voice), 0x0000FFFF); - awe_poke(AWE_PTRX(voice), 0); - awe_poke(AWE_CPF(voice), 0); - - /* set pitch offset */ - awe_set_pitch(voice, TRUE); - - /* modulation & volume envelope */ - if (parm->modatk >= 0x80 && parm->moddelay >= 0x8000) { - awe_poke(AWE_ENVVAL(voice), 0xBFFF); - pitch = (parm->env1pit<<4) + voices[voice].apitch; - if (pitch > 0xffff) pitch = 0xffff; - /* calculate filter target */ - ftarget = parm->cutoff + parm->env1fc; - limitvalue(ftarget, 0, 255); - ftarget <<= 8; - } else { - awe_poke(AWE_ENVVAL(voice), - FX_WORD(fx, fx_lay, AWE_FX_ENV1_DELAY, parm->moddelay)); - ftarget = parm->cutoff; - ftarget <<= 8; - pitch = voices[voice].apitch; - } - - /* calcualte pitch target */ - if (pitch != 0xffff) { - ptarget = 1 << (pitch >> 12); - if (pitch & 0x800) ptarget += (ptarget*0x102e)/0x2710; - if (pitch & 0x400) ptarget += (ptarget*0x764)/0x2710; - if (pitch & 0x200) ptarget += (ptarget*0x389)/0x2710; - ptarget += (ptarget>>1); - if (ptarget > 0xffff) ptarget = 0xffff; - - } else ptarget = 0xffff; - if (parm->modatk >= 0x80) - awe_poke(AWE_ATKHLD(voice), - FX_BYTE(fx, fx_lay, AWE_FX_ENV1_HOLD, parm->modhld) << 8 | 0x7f); - else - 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)); - - if (parm->volatk >= 0x80 && parm->voldelay >= 0x8000) { - awe_poke(AWE_ENVVOL(voice), 0xBFFF); - vtarget = voltarget[voices[voice].avol%0x10]>>(voices[voice].avol>>4); - } else { - awe_poke(AWE_ENVVOL(voice), - FX_WORD(fx, fx_lay, AWE_FX_ENV2_DELAY, vp->parm.voldelay)); - vtarget = 0; - } - if (parm->volatk >= 0x80) - awe_poke(AWE_ATKHLDV(voice), - FX_BYTE(fx, fx_lay, AWE_FX_ENV2_HOLD, parm->volhld) << 8 | 0x7f); - else - 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 */ - - /* 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)); - - /* clear unknown registers */ - awe_poke_dw(AWE_00A0(voice), 0); - awe_poke_dw(AWE_0080(voice), 0); - - /* reset volume */ - awe_poke_dw(AWE_VTFT(voice), (vtarget<<16)|ftarget); - awe_poke_dw(AWE_CVCF(voice), (vtarget<<16)|ftarget); - - /* set reverb */ - temp = FX_BYTE(fx, fx_lay, AWE_FX_REVERB, vp->parm.reverb); - temp = (temp << 8) | (ptarget << 16) | voices[voice].aaux; - awe_poke_dw(AWE_PTRX(voice), temp); - awe_poke_dw(AWE_CPF(voice), ptarget << 16); - /* turn on envelope */ - awe_poke(AWE_DCYSUSV(voice), - FX_COMB(fx, fx_lay, AWE_FX_ENV2_SUSTAIN, AWE_FX_ENV2_DECAY, - vp->parm.voldcysus)); - - 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, - (unsigned char)voices[voice].acutoff); - 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 */ - temp = 127 - pos; - } - limitvalue(temp, 0, 255); - if (ctrls[AWE_MD_PAN_EXCHANGE]) { - temp = 255 - temp; - } - if (forced || temp != voices[voice].apan) { - voices[voice].apan = temp; - if (temp == 0) - voices[voice].aaux = 0xff; - else - voices[voice].aaux = (-temp) & 0xff; - 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); - 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((awe_voice_list*)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((awe_voice_list*)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, -}; - -/* tables for volume->attenuation calculation */ -static unsigned char voltab1[128] = { - 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, 0x63, - 0x63, 0x2b, 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, - 0x21, 0x20, 0x1f, 0x1e, 0x1e, 0x1d, 0x1c, 0x1b, 0x1b, 0x1a, - 0x19, 0x19, 0x18, 0x17, 0x17, 0x16, 0x16, 0x15, 0x15, 0x14, - 0x14, 0x13, 0x13, 0x13, 0x12, 0x12, 0x11, 0x11, 0x11, 0x10, - 0x10, 0x10, 0x0f, 0x0f, 0x0f, 0x0e, 0x0e, 0x0e, 0x0e, 0x0d, - 0x0d, 0x0d, 0x0c, 0x0c, 0x0c, 0x0c, 0x0c, 0x0b, 0x0b, 0x0b, - 0x0b, 0x0a, 0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x09, 0x09, 0x09, - 0x08, 0x08, 0x08, 0x08, 0x08, 0x07, 0x07, 0x07, 0x07, 0x06, - 0x06, 0x06, 0x06, 0x06, 0x05, 0x05, 0x05, 0x05, 0x05, 0x04, - 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x03, 0x03, 0x02, - 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x01, - 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -static unsigned char voltab2[128] = { - 0x32, 0x31, 0x30, 0x2f, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x2a, - 0x29, 0x28, 0x27, 0x26, 0x25, 0x24, 0x24, 0x23, 0x22, 0x21, - 0x21, 0x20, 0x1f, 0x1e, 0x1e, 0x1d, 0x1c, 0x1c, 0x1b, 0x1a, - 0x1a, 0x19, 0x19, 0x18, 0x18, 0x17, 0x16, 0x16, 0x15, 0x15, - 0x14, 0x14, 0x13, 0x13, 0x13, 0x12, 0x12, 0x11, 0x11, 0x10, - 0x10, 0x10, 0x0f, 0x0f, 0x0f, 0x0e, 0x0e, 0x0e, 0x0d, 0x0d, - 0x0d, 0x0c, 0x0c, 0x0c, 0x0b, 0x0b, 0x0b, 0x0b, 0x0a, 0x0a, - 0x0a, 0x0a, 0x09, 0x09, 0x09, 0x09, 0x09, 0x08, 0x08, 0x08, - 0x08, 0x08, 0x07, 0x07, 0x07, 0x07, 0x07, 0x06, 0x06, 0x06, - 0x06, 0x06, 0x06, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, 0x05, - 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, 0x03, 0x03, 0x03, - 0x03, 0x03, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, - 0x01, 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -static unsigned char expressiontab[128] = { - 0x7f, 0x6c, 0x62, 0x5a, 0x54, 0x50, 0x4b, 0x48, 0x45, 0x42, - 0x40, 0x3d, 0x3b, 0x39, 0x38, 0x36, 0x34, 0x33, 0x31, 0x30, - 0x2f, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x28, 0x27, 0x26, 0x25, - 0x24, 0x24, 0x23, 0x22, 0x21, 0x21, 0x20, 0x1f, 0x1e, 0x1e, - 0x1d, 0x1d, 0x1c, 0x1b, 0x1b, 0x1a, 0x1a, 0x19, 0x18, 0x18, - 0x17, 0x17, 0x16, 0x16, 0x15, 0x15, 0x15, 0x14, 0x14, 0x13, - 0x13, 0x12, 0x12, 0x11, 0x11, 0x11, 0x10, 0x10, 0x0f, 0x0f, - 0x0f, 0x0e, 0x0e, 0x0e, 0x0d, 0x0d, 0x0d, 0x0c, 0x0c, 0x0c, - 0x0b, 0x0b, 0x0b, 0x0a, 0x0a, 0x0a, 0x09, 0x09, 0x09, 0x09, - 0x08, 0x08, 0x08, 0x07, 0x07, 0x07, 0x07, 0x06, 0x06, 0x06, - 0x06, 0x05, 0x05, 0x05, 0x04, 0x04, 0x04, 0x04, 0x04, 0x03, - 0x03, 0x03, 0x03, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, - 0x01, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -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((awe_voice_list*)ap) == 0) - return; - } - - if (ctrls[AWE_MD_NEW_VOLUME_CALC]) { - int main_vol = cp->main_vol * ap->amplitude / 127; - limitvalue(vp->velocity, 0, 127); - limitvalue(main_vol, 0, 127); - limitvalue(cp->expression_vol, 0, 127); - - vol = voltab1[main_vol] + voltab2[vp->velocity]; - vol = (vol * 8) / 3; - vol += ap->attenuation; - if (cp->expression_vol < 127) - vol += ((0x100 - vol) * expressiontab[cp->expression_vol])/128; - vol += atten_offset; - if (atten_relative) - vol += ctrls[AWE_MD_ZERO_ATTEN]; - limitvalue(vol, 0, 255); - vp->avol = vol; - - } else { - /* 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 += (int)ap->attenuation; - vol += atten_offset; - if (atten_relative) - vol += ctrls[AWE_MD_ZERO_ATTEN]; - if (vol > 255) vol = 255; - - vp->avol = vol; - } - if (cp->bank != AWE_DRUM_BANK && ((awe_voice_parm_block*)(&ap->parm))->volatk < 0x7d) { - int atten; - if (vp->velocity < 70) atten = 70; - else atten = vp->velocity; - vp->acutoff = (atten * ap->parm.cutoff + 0xa0) >> 7; - } else { - vp->acutoff = ap->parm.cutoff; - } - DEBUG(3,printk("AWE32: [-- voice(%d) vol=%x]\n", voice, vol)); -} - -/* change master volume */ -static void -awe_change_master_volume(short val) -{ - limitvalue(val, 0, 127); - atten_offset = vol_table[val]; - atten_relative = TRUE; - awe_update_volume(); -} - -/* update volumes of all available channels */ -static void awe_update_volume(void) -{ - int i; - for (i = 0; i < awe_max_voices; i++) - awe_set_voice_vol(i, TRUE); -} - -/* 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() && !ctrls[AWE_MD_KEEP_EFFECT]) { - memset(&channels[ch].fx, 0, sizeof(channels[ch].fx)); - memset(&channels[ch].fx_layer, 0, 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 = ctrls[AWE_MD_DEF_DRUM]; - cp->bank = AWE_DRUM_BANK; - } else { - cp->instr = ctrls[AWE_MD_DEF_PRESET]; - cp->bank = ctrls[AWE_MD_DEF_BANK]; - } - } - - cp->bender = 0; /* zero tune skew */ - cp->expression_vol = 127; - cp->chan_press = 0; - cp->sustained = 0; - - if (! ctrls[AWE_MD_KEEP_EFFECT]) { - memset(&cp->fx, 0, sizeof(cp->fx)); - memset(&cp->fx_layer, 0, 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 -EBUSY; - - awe_busy = TRUE; - - /* set default mode */ - awe_init_ctrl_parms(FALSE); - atten_relative = TRUE; - atten_offset = 0; - 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_ctrl_parms(int init_all) -{ - int i; - for (i = 0; i < AWE_MD_END; i++) { - if (init_all || ctrl_parms[i].init_each_time) - ctrls[i] = ctrl_parms[i].value; - } -} - - -/* sequencer I/O control: - */ -static int -awe_ioctl(int dev, unsigned int cmd, void __user *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; - if (copy_to_user(arg, &awe_info, sizeof(awe_info))) - return -EFAULT; - return 0; - break; - - case SNDCTL_SEQ_RESETSAMPLES: - awe_reset(dev); - awe_reset_samples(); - return 0; - break; - - case SNDCTL_SEQ_PERCMODE: - /* what's this? */ - return 0; - break; - - case SNDCTL_SYNTH_MEMAVL: - return memsize - awe_free_mem_ptr() * 2; - break; - - default: - printk(KERN_WARNING "AWE32: unsupported ioctl %d\n", cmd); - return -EINVAL; - break; - } -} - - -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 -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 -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 -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 -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 */ - if (playing_mode != AWE_PLAY_DIRECT || ctrls[AWE_MD_EXCLUSIVE_SOUND]) { - 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; -} - - -/* calculate hash key */ -static int -awe_search_key(int bank, int preset, int note) -{ - unsigned int key; - -#if 1 /* new hash table */ - if (bank == AWE_DRUM_BANK) - key = preset + note + 128; - else - key = bank + preset; -#else - key = preset; -#endif - key %= AWE_MAX_PRESETS; - - return (int)key; -} - - -/* search instrument from hash table */ -static awe_voice_list * -awe_search_instr(int bank, int preset, int note) -{ - awe_voice_list *p; - int key, key2; - - key = awe_search_key(bank, preset, note); - for (p = preset_table[key]; p; p = p->next_bank) { - if (p->instr == preset && p->bank == bank) - return p; - } - key2 = awe_search_key(bank, preset, 0); /* search default */ - if (key == key2) - return NULL; - for (p = preset_table[key2]; p; p = p->next_bank) { - if (p->instr == preset && p->bank == bank) - return p; - } - return NULL; -} - - -/* 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 -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; - - if (! voice_in_range(voice)) - return -EINVAL; - - if (instr_no < 0 || instr_no >= AWE_MAX_PRESETS) - return -EINVAL; - - cinfo = &channels[voice]; - cinfo->instr = instr_no; - DEBUG(2,printk("AWE32: [program(%d) %d]\n", voice, 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 /* gus_compat */ - - -/* AWE32 specific controls */ -static void -awe_hw_awe_control(int dev, int cmd, unsigned char *event) -{ - int voice; - unsigned short p1; - short p2; - 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]; - - switch (cmd) { - case _AWE_DEBUG_MODE: - ctrls[AWE_MD_DEBUG_MODE] = p1; - printk(KERN_DEBUG "AWE32: debug mode = %d\n", ctrls[AWE_MD_DEBUG_MODE]); - break; - case _AWE_REVERB_MODE: - ctrls[AWE_MD_REVERB_MODE] = p1; - awe_update_reverb_mode(); - break; - - case _AWE_CHORUS_MODE: - ctrls[AWE_MD_CHORUS_MODE] = p1; - awe_update_chorus_mode(); - break; - - case _AWE_REMOVE_LAST_SAMPLES: - DEBUG(0,printk("AWE32: remove last samples\n")); - awe_reset(0); - if (locked_sf_id > 0) - awe_remove_samples(locked_sf_id); - break; - - case _AWE_INITIALIZE_CHIP: - awe_initialize(); - break; - - case _AWE_SEND_EFFECT: - i = -1; - if (p1 >= 0x100) { - i = (p1 >> 8); - if (i < 0 || i >= MAX_LAYERS) - break; - } - awe_send_effect(voice, i, p1, p2); - 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)); - atten_relative = (char)p2; - atten_offset = (short)p1; - awe_update_volume(); - break; - - case _AWE_CHN_PRESSURE: - channels[voice].chan_press = p1; - awe_modwheel_change(voice, p1); - 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: ctrl parms = %d %d\n", p1, p2)); - if (p1 > AWE_MD_VERSION && p1 < AWE_MD_END) { - ctrls[p1] = p2; - if (ctrl_parms[p1].update) - ctrl_parms[p1].update(); - } - break; - - case _AWE_EQUALIZER: - ctrls[AWE_MD_BASS_LEVEL] = p1; - ctrls[AWE_MD_TREBLE_LEVEL] = p2; - awe_update_equalizer(); - break; - - default: - DEBUG(0,printk("AWE32: hw control cmd=%d voice=%d\n", cmd, voice)); - break; - } -} - - -/* change effects */ -static void -awe_send_effect(int voice, int layer, int type, int val) -{ - awe_chan_info *cinfo; - FX_Rec *fx; - int mode; - - cinfo = &channels[voice]; - if (layer >= 0 && layer < MAX_LAYERS) - fx = &cinfo->fx_layer[layer]; - else - fx = &cinfo->fx; - - if (type & 0x40) - mode = FX_FLAG_OFF; - else if (type & 0x80) - mode = FX_FLAG_ADD; - else - mode = FX_FLAG_SET; - type &= 0x3f; - - if (type >= 0 && type < AWE_FX_END) { - DEBUG(2,printk("AWE32: effects (%d) %d %d\n", voice, type, val)); - if (mode == FX_FLAG_SET) - FX_SET(fx, type, val); - else if (mode == FX_FLAG_ADD) - FX_ADD(fx, type, val); - else - FX_UNSET(fx, type); - if (mode != FX_FLAG_OFF && parm_defs[type].realtime) { - DEBUG(2,printk("AWE32: fx_realtime (%d)\n", voice)); - awe_voice_change(voice, parm_defs[type].realtime); - } - } -} - - -/* change modulation wheel; voice is already mapped on multi2 mode */ -static void -awe_modwheel_change(int voice, int value) -{ - int i; - awe_chan_info *cinfo; - - cinfo = &channels[voice]; - i = value * ctrls[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); -} - - -/* 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_key_pressure(dev, voice, note + 0x80, pressure); - break; - } -} - - -/* voice control change */ -static void -awe_controller(int dev, int voice, int ctrl_num, 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]; - - 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) && - !ctrls[AWE_MD_TOGGLE_DRUM_BANK]) - break; - if (value < 0 || value > 255) - 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)); - awe_modwheel_change(voice, value); - 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 (ctrls[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; - - case 120: /* all sounds off */ - awe_note_off_all(FALSE); - break; - case 123: /* all notes off */ - awe_note_off_all(TRUE); - break; - - 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 (ctrls[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)); -} - - -/* 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 __user *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(KERN_WARNING "AWE32 Error: Invalid patch format (key) 0x%x\n", format); - return -EINVAL; - } - - if (count < AWE_PATCH_INFO_SIZE) { - printk(KERN_WARNING "AWE32 Error: Patch header too short\n"); - return -EINVAL; - } - if (copy_from_user(((char*)&patch) + offs, addr + offs, - AWE_PATCH_INFO_SIZE - offs)) - return -EFAULT; - - count -= AWE_PATCH_INFO_SIZE; - if (count < patch.len) { - printk(KERN_WARNING "AWE32: sample: Patch record too short (%d<%d)\n", - count, patch.len); - return -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_PROBE_INFO: - rc = awe_probe_info(&patch, addr, count); - break;*/ - case AWE_PROBE_DATA: - rc = awe_probe_data(&patch, addr, count); - break; - case AWE_REMOVE_INFO: - rc = awe_remove_info(&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(KERN_WARNING "AWE32 Error: unknown patch format type %d\n", - patch.type); - rc = -EINVAL; - } - - return rc; -} - - -/* create an sf list record */ -static int -awe_create_sf(int type, char *name) -{ - sf_list *rec; - - /* terminate sounds */ - awe_reset(0); - rec = (sf_list *)kmalloc(sizeof(*rec), GFP_KERNEL); - if (rec == NULL) - return 1; /* no memory */ - 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; - rec->num_info = awe_free_info(); - rec->num_sample = awe_free_sample(); - rec->mem_ptr = awe_free_mem_ptr(); - rec->infos = rec->last_infos = NULL; - rec->samples = rec->last_samples = NULL; - - /* add to linked-list */ - rec->next = NULL; - rec->prev = sftail; - if (sftail) - sftail->next = rec; - else - sfhead = rec; - sftail = rec; - current_sf_id++; - -#ifdef AWE_ALLOW_SAMPLE_SHARING - rec->shared = NULL; - if (name) - memcpy(rec->name, name, AWE_PATCH_NAME_LEN); - else - strcpy(rec->name, "*TEMPORARY*"); - if (current_sf_id > 1 && name && (type & AWE_PAT_SHARED) != 0) { - /* is the current font really a shared font? */ - if (is_shared_sf(rec->name)) { - /* check if the shared font is already installed */ - sf_list *p; - for (p = rec->prev; p; p = p->prev) { - if (is_identical_name(rec->name, p)) { - rec->shared = p; - break; - } - } - } - } -#endif /* allow sharing */ - - return 0; -} - - -#ifdef AWE_ALLOW_SAMPLE_SHARING - -/* check if the given name is a valid shared name */ -#define ASC_TO_KEY(c) ((c) - 'A' + 1) -static int is_shared_sf(unsigned char *name) -{ - static unsigned char id_head[4] = { - ASC_TO_KEY('A'), ASC_TO_KEY('W'), ASC_TO_KEY('E'), - AWE_MAJOR_VERSION, - }; - if (memcmp(name, id_head, 4) == 0) - return TRUE; - return FALSE; -} - -/* check if the given name matches to the existing list */ -static int is_identical_name(unsigned char *name, sf_list *p) -{ - char *id = p->name; - if (is_shared_sf(id) && memcmp(id, name, AWE_PATCH_NAME_LEN) == 0) - return TRUE; - return FALSE; -} - -/* check if the given voice info exists */ -static int info_duplicated(sf_list *sf, awe_voice_list *rec) -{ - /* search for all sharing lists */ - for (; sf; sf = sf->shared) { - awe_voice_list *p; - for (p = sf->infos; p; p = p->next) { - if (p->type == V_ST_NORMAL && - p->bank == rec->bank && - p->instr == rec->instr && - p->v.low == rec->v.low && - p->v.high == rec->v.high && - p->v.sample == rec->v.sample) - return TRUE; - } - } - return FALSE; -} - -#endif /* AWE_ALLOW_SAMPLE_SHARING */ - - -/* free sf_list record */ -/* linked-list in this function is not cared */ -static void -awe_free_sf(sf_list *sf) -{ - if (sf->infos) { - awe_voice_list *p, *next; - for (p = sf->infos; p; p = next) { - next = p->next; - kfree(p); - } - } - if (sf->samples) { - awe_sample_list *p, *next; - for (p = sf->samples; p; p = next) { - next = p->next; - kfree(p); - } - } - kfree(sf); -} - - -/* open patch; create sf list and set opened flag */ -static int -awe_open_patch(awe_patch_info *patch, const char __user *addr, int count) -{ - awe_open_parm parm; - int shared; - - if (copy_from_user(&parm, addr + AWE_PATCH_INFO_SIZE, sizeof(parm))) - return -EFAULT; - shared = FALSE; - -#ifdef AWE_ALLOW_SAMPLE_SHARING - if (sftail && (parm.type & AWE_PAT_SHARED) != 0) { - /* is the previous font the same font? */ - if (is_identical_name(parm.name, sftail)) { - /* then append to the previous */ - shared = TRUE; - awe_reset(0); - if (parm.type & AWE_PAT_LOCKED) - locked_sf_id = current_sf_id; - } - } -#endif /* allow sharing */ - if (! shared) { - if (awe_create_sf(parm.type, parm.name)) { - printk(KERN_ERR "AWE32: can't open: failed to alloc new list\n"); - return -ENOMEM; - } - } - patch_opened = TRUE; - return current_sf_id; -} - -/* check if the patch is already opened */ -static sf_list * -check_patch_opened(int type, char *name) -{ - if (! patch_opened) { - if (awe_create_sf(type, name)) { - printk(KERN_ERR "AWE32: failed to alloc new list\n"); - return NULL; - } - patch_opened = TRUE; - return sftail; - } - return sftail; -} - -/* close the patch; if no voice is loaded, remove the patch */ -static int -awe_close_patch(awe_patch_info *patch, const char __user *addr, int count) -{ - if (patch_opened && sftail) { - /* if no voice is loaded, release the current patch */ - if (sftail->infos == NULL) { - awe_reset(0); - 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 __user *addr, int count) -{ - if (current_sf_id > 0 && current_sf_id > locked_sf_id) { - awe_reset(0); - awe_remove_samples(current_sf_id - 1); - } - return 0; -} - -/* allocate voice info list records */ -static awe_voice_list * -alloc_new_info(void) -{ - awe_voice_list *newlist; - - newlist = kmalloc(sizeof(*newlist), GFP_KERNEL); - if (newlist == NULL) { - printk(KERN_ERR "AWE32: can't alloc info table\n"); - return NULL; - } - return newlist; -} - -/* allocate sample info list records */ -static awe_sample_list * -alloc_new_sample(void) -{ - awe_sample_list *newlist; - - newlist = (awe_sample_list *)kmalloc(sizeof(*newlist), GFP_KERNEL); - if (newlist == NULL) { - printk(KERN_ERR "AWE32: can't alloc sample table\n"); - return NULL; - } - return newlist; -} - -/* load voice map */ -static int -awe_load_map(awe_patch_info *patch, const char __user *addr, int count) -{ - awe_voice_map map; - awe_voice_list *rec, *p; - sf_list *sf; - - /* get the link info */ - if (count < sizeof(map)) { - printk(KERN_WARNING "AWE32 Error: invalid patch info length\n"); - return -EINVAL; - } - if (copy_from_user(&map, addr + AWE_PATCH_INFO_SIZE, sizeof(map))) - return -EFAULT; - - /* check if the identical mapping already exists */ - p = awe_search_instr(map.map_bank, map.map_instr, map.map_key); - for (; p; p = p->next_instr) { - if (p->type == V_ST_MAPPED && - p->v.start == map.src_instr && - p->v.end == map.src_bank && - p->v.fixkey == map.src_key) - return 0; /* already present! */ - } - - if ((sf = check_patch_opened(AWE_PAT_TYPE_MAP, NULL)) == NULL) - return -ENOMEM; - - if ((rec = alloc_new_info()) == NULL) - return -ENOMEM; - - 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; - add_sf_info(sf, rec); - add_info_list(rec); - - return 0; -} - -#if 0 -/* probe preset in the current list -- nothing to be loaded */ -static int -awe_probe_info(awe_patch_info *patch, const char __user *addr, int count) -{ -#ifdef AWE_ALLOW_SAMPLE_SHARING - awe_voice_map map; - awe_voice_list *p; - - if (! patch_opened) - return -EINVAL; - - /* get the link info */ - if (count < sizeof(map)) { - printk(KERN_WARNING "AWE32 Error: invalid patch info length\n"); - return -EINVAL; - } - if (copy_from_user(&map, addr + AWE_PATCH_INFO_SIZE, sizeof(map))) - return -EFAULT; - - /* check if the identical mapping already exists */ - if (sftail == NULL) - return -EINVAL; - p = awe_search_instr(map.src_bank, map.src_instr, map.src_key); - for (; p; p = p->next_instr) { - if (p->type == V_ST_NORMAL && - is_identical_holder(p->holder, sftail) && - p->v.low <= map.src_key && - p->v.high >= map.src_key) - return 0; /* already present! */ - } -#endif /* allow sharing */ - return -EINVAL; -} -#endif - -/* probe sample in the current list -- nothing to be loaded */ -static int -awe_probe_data(awe_patch_info *patch, const char __user *addr, int count) -{ -#ifdef AWE_ALLOW_SAMPLE_SHARING - if (! patch_opened) - return -EINVAL; - - /* search the specified sample by optarg */ - if (search_sample_index(sftail, patch->optarg) != NULL) - return 0; -#endif /* allow sharing */ - return -EINVAL; -} - - -/* remove the present instrument layers */ -static int -remove_info(sf_list *sf, int bank, int instr) -{ - awe_voice_list *prev, *next, *p; - int removed = 0; - - prev = NULL; - for (p = sf->infos; p; p = next) { - next = p->next; - if (p->type == V_ST_NORMAL && - p->bank == bank && p->instr == instr) { - /* remove this layer */ - if (prev) - prev->next = next; - else - sf->infos = next; - if (p == sf->last_infos) - sf->last_infos = prev; - sf->num_info--; - removed++; - kfree(p); - } else - prev = p; - } - if (removed) - rebuild_preset_list(); - return removed; -} - -/* load voice information data */ -static int -awe_load_info(awe_patch_info *patch, const char __user *addr, int count) -{ - int offset; - awe_voice_rec_hdr hdr; - int i; - int total_size; - sf_list *sf; - awe_voice_list *rec; - - if (count < AWE_VOICE_REC_SIZE) { - printk(KERN_WARNING "AWE32 Error: invalid patch info length\n"); - return -EINVAL; - } - - offset = AWE_PATCH_INFO_SIZE; - if (copy_from_user((char*)&hdr, addr + offset, AWE_VOICE_REC_SIZE)) - return -EFAULT; - offset += AWE_VOICE_REC_SIZE; - - if (hdr.nvoices <= 0 || hdr.nvoices >= 100) { - printk(KERN_WARNING "AWE32 Error: Invalid voice number %d\n", hdr.nvoices); - return -EINVAL; - } - total_size = AWE_VOICE_REC_SIZE + AWE_VOICE_INFO_SIZE * hdr.nvoices; - if (count < total_size) { - printk(KERN_WARNING "AWE32 Error: patch length(%d) is smaller than nvoices(%d)\n", - count, hdr.nvoices); - return -EINVAL; - } - - if ((sf = check_patch_opened(AWE_PAT_TYPE_MISC, NULL)) == NULL) - return -ENOMEM; - - switch (hdr.write_mode) { - case AWE_WR_EXCLUSIVE: - /* exclusive mode - if the instrument already exists, - return error */ - for (rec = sf->infos; rec; rec = rec->next) { - if (rec->type == V_ST_NORMAL && - rec->bank == hdr.bank && - rec->instr == hdr.instr) - return -EINVAL; - } - break; - case AWE_WR_REPLACE: - /* replace mode - remove the instrument if it already exists */ - remove_info(sf, hdr.bank, hdr.instr); - break; - } - - /* append new layers */ - for (i = 0; i < hdr.nvoices; i++) { - rec = alloc_new_info(); - if (rec == NULL) - return -ENOMEM; - - rec->bank = hdr.bank; - rec->instr = hdr.instr; - rec->type = V_ST_NORMAL; - rec->disabled = FALSE; - - /* copy awe_voice_info parameters */ - if (copy_from_user(&rec->v, addr + offset, AWE_VOICE_INFO_SIZE)) { - kfree(rec); - return -EFAULT; - } - offset += AWE_VOICE_INFO_SIZE; -#ifdef AWE_ALLOW_SAMPLE_SHARING - if (sf && sf->shared) { - if (info_duplicated(sf, rec)) { - kfree(rec); - continue; - } - } -#endif /* allow sharing */ - if (rec->v.mode & AWE_MODE_INIT_PARM) - awe_init_voice_parm(&rec->v.parm); - add_sf_info(sf, rec); - awe_set_sample(rec); - add_info_list(rec); - } - - return 0; -} - - -/* remove instrument layers */ -static int -awe_remove_info(awe_patch_info *patch, const char __user *addr, int count) -{ - unsigned char bank, instr; - sf_list *sf; - - if (! patch_opened || (sf = sftail) == NULL) { - printk(KERN_WARNING "AWE32: remove_info: patch not opened\n"); - return -EINVAL; - } - - bank = ((unsigned short)patch->optarg >> 8) & 0xff; - instr = (unsigned short)patch->optarg & 0xff; - if (! remove_info(sf, bank, instr)) - return -EINVAL; - return 0; -} - - -/* load wave sample data */ -static int -awe_load_data(awe_patch_info *patch, const char __user *addr, int count) -{ - int offset, size; - int rc; - awe_sample_info tmprec; - awe_sample_list *rec; - sf_list *sf; - - if ((sf = check_patch_opened(AWE_PAT_TYPE_MISC, NULL)) == NULL) - return -ENOMEM; - - size = (count - AWE_SAMPLE_INFO_SIZE) / 2; - offset = AWE_PATCH_INFO_SIZE; - if (copy_from_user(&tmprec, addr + offset, AWE_SAMPLE_INFO_SIZE)) - return -EFAULT; - offset += AWE_SAMPLE_INFO_SIZE; - if (size != tmprec.size) { - printk(KERN_WARNING "AWE32: load: sample size differed (%d != %d)\n", - tmprec.size, size); - return -EINVAL; - } - - if (search_sample_index(sf, tmprec.sample) != NULL) { -#ifdef AWE_ALLOW_SAMPLE_SHARING - /* if shared sample, skip this data */ - if (sf->type & AWE_PAT_SHARED) - return 0; -#endif /* allow sharing */ - DEBUG(1,printk("AWE32: sample data %d already present\n", tmprec.sample)); - return -EINVAL; - } - - if ((rec = alloc_new_sample()) == NULL) - return -ENOMEM; - - memcpy(&rec->v, &tmprec, sizeof(tmprec)); - - if (rec->v.size > 0) { - if ((rc = awe_write_wave_data(addr, offset, rec, -1)) < 0) { - kfree(rec); - return rc; - } - sf->mem_ptr += rc; - } - - add_sf_sample(sf, rec); - return 0; -} - - -/* replace wave sample data */ -static int -awe_replace_data(awe_patch_info *patch, const char __user *addr, int count) -{ - int offset; - int size; - int rc; - int channels; - awe_sample_info cursmp; - int save_mem_ptr; - sf_list *sf; - awe_sample_list *rec; - - if (! patch_opened || (sf = sftail) == NULL) { - printk(KERN_WARNING "AWE32: replace: patch not opened\n"); - return -EINVAL; - } - - size = (count - AWE_SAMPLE_INFO_SIZE) / 2; - offset = AWE_PATCH_INFO_SIZE; - if (copy_from_user(&cursmp, addr + offset, AWE_SAMPLE_INFO_SIZE)) - return -EFAULT; - offset += AWE_SAMPLE_INFO_SIZE; - if (cursmp.size == 0 || size != cursmp.size) { - printk(KERN_WARNING "AWE32: replace: invalid sample size (%d!=%d)\n", - cursmp.size, size); - return -EINVAL; - } - channels = patch->optarg; - if (channels <= 0 || channels > AWE_NORMAL_VOICES) { - printk(KERN_WARNING "AWE32: replace: invalid channels %d\n", channels); - return -EINVAL; - } - - for (rec = sf->samples; rec; rec = rec->next) { - if (rec->v.sample == cursmp.sample) - break; - } - if (rec == NULL) { - printk(KERN_WARNING "AWE32: replace: cannot find existing sample data %d\n", - cursmp.sample); - return -EINVAL; - } - - if (rec->v.size != cursmp.size) { - printk(KERN_WARNING "AWE32: replace: exiting size differed (%d!=%d)\n", - rec->v.size, cursmp.size); - return -EINVAL; - } - - save_mem_ptr = awe_free_mem_ptr(); - sftail->mem_ptr = rec->v.start - awe_mem_start; - memcpy(&rec->v, &cursmp, sizeof(cursmp)); - rec->v.sf_id = current_sf_id; - if ((rc = awe_write_wave_data(addr, offset, rec, channels)) < 0) - return rc; - sftail->mem_ptr = save_mem_ptr; - - return 0; -} - - -/*----------------------------------------------------------------*/ - -static const char __user *readbuf_addr; -static int readbuf_offs; -static int readbuf_flags; - -/* initialize read buffer */ -static int -readbuf_init(const char __user *addr, int offset, awe_sample_info *sp) -{ - 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_user(cc, (unsigned char __user *)(readbuf_addr + readbuf_offs + pos)); - c = (unsigned short)cc << 8; /* convert 8bit -> 16bit */ - } else { - get_user(c, (unsigned short __user *)(readbuf_addr + readbuf_offs + pos * 2)); - } - if (readbuf_flags & AWE_SAMPLE_UNSIGNED) - c ^= 0x8000; /* unsigned -> signed */ - return c; -} - -#define readbuf_word_cache readbuf_word -#define readbuf_end() /**/ - -/*----------------------------------------------------------------*/ - -#define BLANK_LOOP_START 8 -#define BLANK_LOOP_END 40 -#define BLANK_LOOP_SIZE 48 - -/* loading onto memory - return the actual written size */ -static int -awe_write_wave_data(const char __user *addr, int offset, awe_sample_list *list, int channels) -{ - int i, truesize, dram_offset; - awe_sample_info *sp = &list->v; - 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|AWE_SAMPLE_REVERSE_LOOP)) - truesize += sp->loopend - sp->loopstart; - if (sp->mode_flags & AWE_SAMPLE_NO_BLANK) - truesize += BLANK_LOOP_SIZE; - if (awe_free_mem_ptr() + truesize >= memsize/2) { - DEBUG(-1,printk("AWE32 Error: Sample memory full\n")); - return -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 -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; - } - } - - awe_close_dram(); - - /* initialize FM */ - awe_init_fm(); - - return truesize; -} - - -/*----------------------------------------------------------------*/ - -#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 __user *addr, int offs, int size, int pmgr_flag) -{ - struct patch_info patch; - awe_voice_info *rec; - awe_sample_info *smp; - awe_voice_list *vrec; - awe_sample_list *smprec; - int sizeof_patch; - int note, rc; - sf_list *sf; - - sizeof_patch = (int)((long)&patch.data[0] - (long)&patch); /* header size */ - if (size < sizeof_patch) { - printk(KERN_WARNING "AWE32 Error: Patch header too short\n"); - return -EINVAL; - } - if (copy_from_user(((char*)&patch) + offs, addr + offs, sizeof_patch - offs)) - return -EFAULT; - size -= sizeof_patch; - if (size < patch.len) { - printk(KERN_WARNING "AWE32 Error: Patch record too short (%d<%d)\n", - size, patch.len); - return -EINVAL; - } - if ((sf = check_patch_opened(AWE_PAT_TYPE_GUS, NULL)) == NULL) - return -ENOMEM; - if ((smprec = alloc_new_sample()) == NULL) - return -ENOMEM; - if ((vrec = alloc_new_info()) == NULL) { - kfree(smprec); - return -ENOMEM; - } - - smp = &smprec->v; - smp->sample = sf->num_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, smprec, -1)) < 0) { - kfree(vrec); - return rc; - } - sf->mem_ptr += rc; - add_sf_sample(sf, smprec); - - /* set up voice info */ - rec = &vrec->v; - awe_init_voice_info(rec); - rec->sample = sf->num_info; /* 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_hold(hold) << 8) | - calc_parm_attack(attack); - 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 */ - vrec->bank = ctrls[AWE_MD_GUS_BANK]; - vrec->instr = patch.instr_no; - vrec->disabled = FALSE; - vrec->type = V_ST_NORMAL; - - add_sf_info(sf, vrec); - add_info_list(vrec); - - /* set the voice index */ - awe_set_sample(vrec); - - return 0; -} - -#endif /* AWE_HAS_GUS_COMPATIBILITY */ - -/* - * sample and voice list handlers - */ - -/* append this to the current sf list */ -static void add_sf_info(sf_list *sf, awe_voice_list *rec) -{ - if (sf == NULL) - return; - rec->holder = sf; - rec->v.sf_id = sf->sf_id; - if (sf->last_infos) - sf->last_infos->next = rec; - else - sf->infos = rec; - sf->last_infos = rec; - rec->next = NULL; - sf->num_info++; -} - -/* prepend this sample to sf list */ -static void add_sf_sample(sf_list *sf, awe_sample_list *rec) -{ - if (sf == NULL) - return; - rec->holder = sf; - rec->v.sf_id = sf->sf_id; - if (sf->last_samples) - sf->last_samples->next = rec; - else - sf->samples = rec; - sf->last_samples = rec; - rec->next = NULL; - sf->num_sample++; -} - -/* purge the old records which don't belong with the same file id */ -static void purge_old_list(awe_voice_list *rec, awe_voice_list *next) -{ - rec->next_instr = next; - if (rec->bank == AWE_DRUM_BANK) { - /* remove samples with the same note range */ - awe_voice_list *cur, *prev = rec; - int low = rec->v.low; - int high = rec->v.high; - for (cur = next; cur; cur = cur->next_instr) { - if (cur->v.low == low && - cur->v.high == high && - ! is_identical_holder(cur->holder, rec->holder)) - prev->next_instr = cur->next_instr; - else - prev = cur; - } - } else { - if (! is_identical_holder(next->holder, rec->holder)) - /* remove all samples */ - rec->next_instr = NULL; - } -} - -/* prepend to top of the preset table */ -static void add_info_list(awe_voice_list *rec) -{ - awe_voice_list *prev, *cur; - int key; - - if (rec->disabled) - return; - - key = awe_search_key(rec->bank, rec->instr, rec->v.low); - prev = NULL; - for (cur = preset_table[key]; cur; cur = cur->next_bank) { - /* search the first record with the same bank number */ - if (cur->instr == rec->instr && cur->bank == rec->bank) { - /* replace the list with the new record */ - rec->next_bank = cur->next_bank; - if (prev) - prev->next_bank = rec; - else - preset_table[key] = rec; - purge_old_list(rec, cur); - return; - } - prev = cur; - } - - /* this is the first bank record.. just add this */ - rec->next_instr = NULL; - rec->next_bank = preset_table[key]; - preset_table[key] = rec; -} - -/* remove samples later than the specified sf_id */ -static void -awe_remove_samples(int sf_id) -{ - sf_list *p, *prev; - - if (sf_id <= 0) { - awe_reset_samples(); - return; - } - /* already removed? */ - if (current_sf_id <= sf_id) - return; - - for (p = sftail; p; p = prev) { - if (p->sf_id <= sf_id) - break; - prev = p->prev; - awe_free_sf(p); - } - sftail = p; - if (sftail) { - sf_id = sftail->sf_id; - sftail->next = NULL; - } else { - sf_id = 0; - sfhead = NULL; - } - 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) -{ - sf_list *p; - awe_voice_list *rec; - - memset(preset_table, 0, sizeof(preset_table)); - - for (p = sfhead; p; p = p->next) { - for (rec = p->infos; rec; rec = rec->next) - add_info_list(rec); - } -} - -/* compare the given sf_id pair */ -static int is_identical_holder(sf_list *sf1, sf_list *sf2) -{ - if (sf1 == NULL || sf2 == NULL) - return FALSE; - if (sf1 == sf2) - return TRUE; -#ifdef AWE_ALLOW_SAMPLE_SHARING - { - /* compare with the sharing id */ - sf_list *p; - int counter = 0; - if (sf1->sf_id < sf2->sf_id) { /* make sure id1 > id2 */ - sf_list *tmp; tmp = sf1; sf1 = sf2; sf2 = tmp; - } - for (p = sf1->shared; p; p = p->shared) { - if (counter++ > current_sf_id) - break; /* strange sharing loop.. quit */ - if (p == sf2) - return TRUE; - } - } -#endif /* allow sharing */ - return FALSE; -} - -/* search the sample index matching with the given sample id */ -static awe_sample_list * -search_sample_index(sf_list *sf, int sample) -{ - awe_sample_list *p; -#ifdef AWE_ALLOW_SAMPLE_SHARING - int counter = 0; - while (sf) { - for (p = sf->samples; p; p = p->next) { - if (p->v.sample == sample) - return p; - } - sf = sf->shared; - if (counter++ > current_sf_id) - break; /* strange sharing loop.. quit */ - } -#else - if (sf) { - for (p = sf->samples; p; p = p->next) { - if (p->v.sample == sample) - return p; - } - } -#endif - return NULL; -} - -/* search the specified sample */ -/* non-zero = found */ -static short -awe_set_sample(awe_voice_list *rec) -{ - awe_sample_list *smp; - awe_voice_info *vp = &rec->v; - - vp->index = 0; - if ((smp = search_sample_index(rec->holder, vp->sample)) == NULL) - return 0; - - /* set the actual sample offsets */ - vp->start += smp->v.start; - vp->end += smp->v.end; - vp->loopstart += smp->v.loopstart; - vp->loopend += smp->v.loopend; - /* copy mode flags */ - vp->mode = smp->v.mode_flags; - /* set flag */ - vp->index = 1; - - return 1; -} - - -/* - * voice allocation - */ - -/* look for all voices associated with the specified note & velocity */ -static int -awe_search_multi_voices(awe_voice_list *rec, int note, int velocity, - awe_voice_info **vlist) -{ - int nvoices; - - nvoices = 0; - for (; rec; rec = rec->next_instr) { - if (note >= rec->v.low && - note <= rec->v.high && - velocity >= rec->v.vellow && - velocity <= rec->v.velhigh) { - if (rec->type == V_ST_MAPPED) { - /* mapper */ - vlist[0] = &rec->v; - return -1; - } - vlist[nvoices++] = &rec->v; - 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 bank, int instr, int *note, int velocity, awe_voice_info **vlist) -{ - int nvoices; - awe_voice_list *vrec; - int level = 0; - - for (;;) { - vrec = awe_search_instr(bank, instr, *note); - nvoices = awe_search_multi_voices(vrec, *note, velocity, vlist); - if (nvoices == 0) { - if (bank == AWE_DRUM_BANK) - /* search default drumset */ - vrec = awe_search_instr(bank, ctrls[AWE_MD_DEF_DRUM], *note); - else - /* search default preset */ - vrec = awe_search_instr(ctrls[AWE_MD_DEF_BANK], instr, *note); - nvoices = awe_search_multi_voices(vrec, *note, velocity, vlist); - } - if (nvoices == 0) { - if (bank == AWE_DRUM_BANK && ctrls[AWE_MD_DEF_DRUM] != 0) - /* search default drumset */ - vrec = awe_search_instr(bank, 0, *note); - else if (bank != AWE_DRUM_BANK && ctrls[AWE_MD_DEF_BANK] != 0) - /* search default preset */ - vrec = awe_search_instr(0, instr, *note); - nvoices = awe_search_multi_voices(vrec, *note, velocity, vlist); - } - if (nvoices < 0) { /* mapping */ - int key = vlist[0]->fixkey; - instr = vlist[0]->start; - bank = vlist[0]->end; - if (level++ > 5) { - printk(KERN_ERR "AWE32: too deep mapping level\n"); - return 0; - } - if (key >= 0) - *note = key; - } else - break; - } - - 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, bank; - awe_voice_info *vlist[AWE_MAX_VOICES]; - - if (MULTI_LAYER_MODE() && IS_DRUM_CHANNEL(ch)) - bank = AWE_DRUM_BANK; /* always search drumset */ - else - bank = channels[ch].bank; - - /* check the possible voices; note may be changeable if mapped */ - nvoices = really_alloc_voices(bank, channels[ch].instr, - ¬e, velocity, vlist); - - /* 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 an empty voice. - if no empty voice is found, at least terminate a voice - */ -static int -awe_clear_voice(void) -{ - enum { - OFF=0, RELEASED, SUSTAINED, PLAYING, END - }; - struct voice_candidate_t { - int best; - int time; - int vtarget; - } candidate[END]; - int i, type, vtarget; - - vtarget = 0xffff; - for (type = OFF; type < END; type++) { - candidate[type].best = -1; - candidate[type].time = current_alloc_time + 1; - candidate[type].vtarget = vtarget; - } - - for (i = 0; i < awe_max_voices; i++) { - if (voices[i].state & AWE_ST_OFF) - type = OFF; - else if (voices[i].state & AWE_ST_RELEASED) - type = RELEASED; - else if (voices[i].state & AWE_ST_SUSTAINED) - type = SUSTAINED; - else if (voices[i].state & ~AWE_ST_MARK) - type = PLAYING; - else - continue; -#ifdef AWE_CHECK_VTARGET - /* get current volume */ - vtarget = (awe_peek_dw(AWE_VTFT(i)) >> 16) & 0xffff; -#endif - if (candidate[type].best < 0 || - vtarget < candidate[type].vtarget || - (vtarget == candidate[type].vtarget && - voices[i].time < candidate[type].time)) { - candidate[type].best = i; - candidate[type].time = voices[i].time; - candidate[type].vtarget = vtarget; - } - } - - for (type = OFF; type < END; type++) { - if ((i = candidate[type].best) >= 0) { - if (voices[i].state != AWE_ST_OFF) - awe_terminate(i); - awe_voice_init(i, TRUE); - return i; - } - } - 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, bank; - awe_voice_info *vlist[AWE_MAX_VOICES]; - - ch = voices[voice].ch; - if (MULTI_LAYER_MODE() && IS_DRUM_CHANNEL(voice)) - bank = AWE_DRUM_BANK; /* always search drumset */ - else - bank = voices[voice].cinfo->bank; - - nvoices = really_alloc_voices(bank, voices[voice].cinfo->instr, - ¬e, velocity, vlist); - 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, void __user *arg); - -static int my_mixerdev = -1; - -static struct mixer_operations awe_mixer_operations = { - .owner = THIS_MODULE, - .id = "AWE", - .name = "AWE32 Equalizer", - .ioctl = awe_mixer_ioctl, -}; - -static void __init attach_mixer(void) -{ - if ((my_mixerdev = sound_alloc_mixerdev()) >= 0) { - mixer_devs[my_mixerdev] = &awe_mixer_operations; - } -} - -static void unload_mixer(void) -{ - if (my_mixerdev >= 0) - sound_unload_mixerdev(my_mixerdev); -} - -static int -awe_mixer_ioctl(int dev, unsigned int cmd, void __user * arg) -{ - int i, level, value; - - if (((cmd >> 8) & 0xff) != 'M') - return -EINVAL; - - if (get_user(level, (int __user *)arg)) - return -EFAULT; - level = ((level & 0xff) + (level >> 8)) / 2; - DEBUG(0,printk("AWEMix: cmd=%x val=%d\n", cmd & 0xff, level)); - - if (_SIOC_DIR(cmd) & _SIOC_WRITE) { - switch (cmd & 0xff) { - case SOUND_MIXER_BASS: - value = level * 12 / 100; - if (value >= 12) - value = 11; - ctrls[AWE_MD_BASS_LEVEL] = value; - awe_update_equalizer(); - break; - case SOUND_MIXER_TREBLE: - value = level * 12 / 100; - if (value >= 12) - value = 11; - ctrls[AWE_MD_TREBLE_LEVEL] = value; - awe_update_equalizer(); - break; - case SOUND_MIXER_VOLUME: - level = level * 127 / 100; - if (level >= 128) level = 127; - atten_relative = FALSE; - atten_offset = vol_table[level]; - awe_update_volume(); - break; - } - } - switch (cmd & 0xff) { - case SOUND_MIXER_BASS: - level = ctrls[AWE_MD_BASS_LEVEL] * 100 / 24; - level = (level << 8) | level; - break; - case SOUND_MIXER_TREBLE: - level = ctrls[AWE_MD_TREBLE_LEVEL] * 100 / 24; - level = (level << 8) | level; - break; - case SOUND_MIXER_VOLUME: - value = atten_offset; - if (atten_relative) - value += ctrls[AWE_MD_ZERO_ATTEN]; - for (i = 127; i > 0; i--) { - if (value <= 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; - } - if (put_user(level, (int __user *)arg)) - return -EFAULT; - return level; -} -#endif /* CONFIG_AWE32_MIXER */ - - -/* - * initialization of Emu8000 - */ - -/* 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 (memsize <= 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(); - voices[vidx[i]].state = AWE_ST_MARK; - } - } - - /* 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[vidx[i]].state = AWE_ST_OFF; - } - printk("awe: not ready to write..\n"); - return -EPERM; - } - - /* 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; - } - } -} - - -/* - * check dram size on AWE board - */ - -/* any three numbers you like */ -#define UNIQUE_ID1 0x1234 -#define UNIQUE_ID2 0x4321 -#define UNIQUE_ID3 0xABCD - -static void __init -awe_check_dram(void) -{ - if (awe_present) /* already initialized */ - return; - - if (memsize >= 0) { /* given by config file or module option */ - memsize *= 1024; /* convert to Kbytes */ - return; - } - - awe_open_dram_for_check(); - - memsize = 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 (memsize < AWE_MAX_DRAM_SIZE) { - awe_wait(5); - /* 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; - memsize += 512; /* increment 512kbytes */ - /* 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 + memsize*512L); - awe_poke(AWE_SMLD, UNIQUE_ID3); - awe_wait(5); - /* read a data on the just written DRAM address */ - awe_poke_dw(AWE_SMALR, AWE_DRAM_OFFSET + memsize*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", memsize)); - - /* convert to Kbytes */ - memsize *= 1024; -} - - -/*----------------------------------------------------------------*/ - -/* - * 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 __user *addr, int count) -{ - if (patch->optarg < AWE_CHORUS_PREDEFINED || patch->optarg >= AWE_CHORUS_NUMBERS) { - printk(KERN_WARNING "AWE32 Error: invalid chorus mode %d for uploading\n", patch->optarg); - return -EINVAL; - } - if (count < sizeof(awe_chorus_fx_rec)) { - printk(KERN_WARNING "AWE32 Error: too short chorus fx parameters\n"); - return -EINVAL; - } - if (copy_from_user(&chorus_parm[patch->optarg], addr + AWE_PATCH_INFO_SIZE, - sizeof(awe_chorus_fx_rec))) - return -EFAULT; - 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); -} - -static void -awe_update_chorus_mode(void) -{ - awe_set_chorus_mode(ctrls[AWE_MD_CHORUS_MODE]); -} - -/*----------------------------------------------------------------*/ - -/* 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 __user *addr, int count) -{ - if (patch->optarg < AWE_REVERB_PREDEFINED || patch->optarg >= AWE_REVERB_NUMBERS) { - printk(KERN_WARNING "AWE32 Error: invalid reverb mode %d for uploading\n", patch->optarg); - return -EINVAL; - } - if (count < sizeof(awe_reverb_fx_rec)) { - printk(KERN_WARNING "AWE32 Error: too short reverb fx parameters\n"); - return -EINVAL; - } - if (copy_from_user(&reverb_parm[patch->optarg], addr + AWE_PATCH_INFO_SIZE, - sizeof(awe_reverb_fx_rec))) - return -EFAULT; - 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]); -} - -static void -awe_update_reverb_mode(void) -{ - awe_set_reverb_mode(ctrls[AWE_MD_REVERB_MODE]); -} - -/* - * 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_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)); -} - -static void awe_update_equalizer(void) -{ - awe_equalizer(ctrls[AWE_MD_BASS_LEVEL], ctrls[AWE_MD_TREBLE_LEVEL]); -} - - -/*----------------------------------------------------------------*/ - -#ifdef CONFIG_AWE32_MIDIEMU - -/* - * Emu8000 MIDI Emulation - */ - -/* - * midi queue record - */ - -/* queue type */ -enum { Q_NONE, Q_VARLEN, Q_READ, Q_SYSEX, }; - -#define MAX_MIDIBUF 64 - -/* midi status */ -typedef struct MidiStatus { - int queue; /* queue type */ - int qlen; /* queue length */ - int read; /* chars read */ - int status; /* current status */ - int chan; /* current channel */ - unsigned char buf[MAX_MIDIBUF]; -} MidiStatus; - -/* MIDI mode type */ -enum { MODE_GM, MODE_GS, MODE_XG, }; - -/* NRPN / CC -> Emu8000 parameter converter */ -typedef struct { - int control; - int awe_effect; - unsigned short (*convert)(int val); -} ConvTable; - - -/* - * prototypes - */ - -static int awe_midi_open(int dev, int mode, void (*input)(int,unsigned char), void (*output)(int)); -static void awe_midi_close(int dev); -static int awe_midi_ioctl(int dev, unsigned cmd, void __user * arg); -static int awe_midi_outputc(int dev, unsigned char midi_byte); - -static void init_midi_status(MidiStatus *st); -static void clear_rpn(void); -static void get_midi_char(MidiStatus *st, int c); -/*static void queue_varlen(MidiStatus *st, int c);*/ -static void special_event(MidiStatus *st, int c); -static void queue_read(MidiStatus *st, int c); -static void midi_note_on(MidiStatus *st); -static void midi_note_off(MidiStatus *st); -static void midi_key_pressure(MidiStatus *st); -static void midi_channel_pressure(MidiStatus *st); -static void midi_pitch_wheel(MidiStatus *st); -static void midi_program_change(MidiStatus *st); -static void midi_control_change(MidiStatus *st); -static void midi_select_bank(MidiStatus *st, int val); -static void midi_nrpn_event(MidiStatus *st); -static void midi_rpn_event(MidiStatus *st); -static void midi_detune(int chan, int coarse, int fine); -static void midi_system_exclusive(MidiStatus *st); -static int send_converted_effect(ConvTable *table, int num_tables, MidiStatus *st, int type, int val); -static int add_converted_effect(ConvTable *table, int num_tables, MidiStatus *st, int type, int val); -static int xg_control_change(MidiStatus *st, int cmd, int val); - -#define numberof(ary) (sizeof(ary)/sizeof(ary[0])) - - -/* - * OSS Midi device record - */ - -static struct midi_operations awe_midi_operations = -{ - .owner = THIS_MODULE, - .info = {"AWE Midi Emu", 0, 0, SNDCARD_SB}, - .in_info = {0}, - .open = awe_midi_open, /*open*/ - .close = awe_midi_close, /*close*/ - .ioctl = awe_midi_ioctl, /*ioctl*/ - .outputc = awe_midi_outputc, /*outputc*/ -}; - -static int my_mididev = -1; - -static void __init attach_midiemu(void) -{ - if ((my_mididev = sound_alloc_mididev()) < 0) - printk ("Sound: Too many midi devices detected\n"); - else - midi_devs[my_mididev] = &awe_midi_operations; -} - -static void unload_midiemu(void) -{ - if (my_mididev >= 0) - sound_unload_mididev(my_mididev); -} - - -/* - * open/close midi device - */ - -static int midi_opened = FALSE; - -static int midi_mode; -static int coarsetune, finetune; - -static int xg_mapping = TRUE; -static int xg_bankmode; - -/* effect sensitivity */ - -#define FX_CUTOFF 0 -#define FX_RESONANCE 1 -#define FX_ATTACK 2 -#define FX_RELEASE 3 -#define FX_VIBRATE 4 -#define FX_VIBDEPTH 5 -#define FX_VIBDELAY 6 -#define FX_NUMS 7 - -#define DEF_FX_CUTOFF 170 -#define DEF_FX_RESONANCE 6 -#define DEF_FX_ATTACK 50 -#define DEF_FX_RELEASE 50 -#define DEF_FX_VIBRATE 30 -#define DEF_FX_VIBDEPTH 4 -#define DEF_FX_VIBDELAY 1500 - -/* effect sense: */ -static int gs_sense[] = -{ - DEF_FX_CUTOFF, DEF_FX_RESONANCE, DEF_FX_ATTACK, DEF_FX_RELEASE, - DEF_FX_VIBRATE, DEF_FX_VIBDEPTH, DEF_FX_VIBDELAY -}; -static int xg_sense[] = -{ - DEF_FX_CUTOFF, DEF_FX_RESONANCE, DEF_FX_ATTACK, DEF_FX_RELEASE, - DEF_FX_VIBRATE, DEF_FX_VIBDEPTH, DEF_FX_VIBDELAY -}; - - -/* current status */ -static MidiStatus curst; - - -static int -awe_midi_open (int dev, int mode, - void (*input)(int,unsigned char), - void (*output)(int)) -{ - if (midi_opened) - return -EBUSY; - - midi_opened = TRUE; - - midi_mode = MODE_GM; - - curst.queue = Q_NONE; - curst.qlen = 0; - curst.read = 0; - curst.status = 0; - curst.chan = 0; - memset(curst.buf, 0, sizeof(curst.buf)); - - init_midi_status(&curst); - - return 0; -} - -static void -awe_midi_close (int dev) -{ - midi_opened = FALSE; -} - - -static int -awe_midi_ioctl (int dev, unsigned cmd, void __user *arg) -{ - return -EPERM; -} - -static int -awe_midi_outputc (int dev, unsigned char midi_byte) -{ - if (! midi_opened) - return 1; - - /* force to change playing mode */ - playing_mode = AWE_PLAY_MULTI; - - get_midi_char(&curst, midi_byte); - return 1; -} - - -/* - * initialize - */ - -static void init_midi_status(MidiStatus *st) -{ - clear_rpn(); - coarsetune = 0; - finetune = 0; -} - - -/* - * RPN & NRPN - */ - -#define MAX_MIDI_CHANNELS 16 - -/* RPN & NRPN */ -static unsigned char nrpn[MAX_MIDI_CHANNELS]; /* current event is NRPN? */ -static int msb_bit; /* current event is msb for RPN/NRPN */ -/* RPN & NRPN indeces */ -static unsigned char rpn_msb[MAX_MIDI_CHANNELS], rpn_lsb[MAX_MIDI_CHANNELS]; -/* RPN & NRPN values */ -static int rpn_val[MAX_MIDI_CHANNELS]; - -static void clear_rpn(void) -{ - int i; - for (i = 0; i < MAX_MIDI_CHANNELS; i++) { - nrpn[i] = 0; - rpn_msb[i] = 127; - rpn_lsb[i] = 127; - rpn_val[i] = 0; - } - msb_bit = 0; -} - - -/* - * process midi queue - */ - -/* status event types */ -typedef void (*StatusEvent)(MidiStatus *st); -static struct StatusEventList { - StatusEvent process; - int qlen; -} status_event[8] = { - {midi_note_off, 2}, - {midi_note_on, 2}, - {midi_key_pressure, 2}, - {midi_control_change, 2}, - {midi_program_change, 1}, - {midi_channel_pressure, 1}, - {midi_pitch_wheel, 2}, - {NULL, 0}, -}; - - -/* read a char from fifo and process it */ -static void get_midi_char(MidiStatus *st, int c) -{ - if (c == 0xfe) { - /* ignore active sense */ - st->queue = Q_NONE; - return; - } - - switch (st->queue) { - /* case Q_VARLEN: queue_varlen(st, c); break;*/ - case Q_READ: - case Q_SYSEX: - queue_read(st, c); - break; - case Q_NONE: - st->read = 0; - if ((c & 0xf0) == 0xf0) { - special_event(st, c); - } else if (c & 0x80) { /* status change */ - st->status = (c >> 4) & 0x07; - st->chan = c & 0x0f; - st->queue = Q_READ; - st->qlen = status_event[st->status].qlen; - if (st->qlen == 0) - st->queue = Q_NONE; - } - break; - } -} - -/* 0xfx events */ -static void special_event(MidiStatus *st, int c) -{ - switch (c) { - case 0xf0: /* system exclusive */ - st->queue = Q_SYSEX; - st->qlen = 0; - break; - case 0xf1: /* MTC quarter frame */ - case 0xf3: /* song select */ - st->queue = Q_READ; - st->qlen = 1; - break; - case 0xf2: /* song position */ - st->queue = Q_READ; - st->qlen = 2; - break; - } -} - -#if 0 -/* read variable length value */ -static void queue_varlen(MidiStatus *st, int c) -{ - st->qlen += (c & 0x7f); - if (c & 0x80) { - st->qlen <<= 7; - return; - } - if (st->qlen <= 0) { - st->qlen = 0; - st->queue = Q_NONE; - } - st->queue = Q_READ; - st->read = 0; -} -#endif - - -/* read a char */ -static void queue_read(MidiStatus *st, int c) -{ - if (st->read < MAX_MIDIBUF) { - if (st->queue != Q_SYSEX) - c &= 0x7f; - st->buf[st->read] = (unsigned char)c; - } - st->read++; - if (st->queue == Q_SYSEX && c == 0xf7) { - midi_system_exclusive(st); - st->queue = Q_NONE; - } else if (st->queue == Q_READ && st->read >= st->qlen) { - if (status_event[st->status].process) - status_event[st->status].process(st); - st->queue = Q_NONE; - } -} - - -/* - * status events - */ - -/* note on */ -static void midi_note_on(MidiStatus *st) -{ - DEBUG(2,printk("midi: note_on (%d) %d %d\n", st->chan, st->buf[0], st->buf[1])); - if (st->buf[1] == 0) - midi_note_off(st); - else - awe_start_note(0, st->chan, st->buf[0], st->buf[1]); -} - -/* note off */ -static void midi_note_off(MidiStatus *st) -{ - DEBUG(2,printk("midi: note_off (%d) %d %d\n", st->chan, st->buf[0], st->buf[1])); - awe_kill_note(0, st->chan, st->buf[0], st->buf[1]); -} - -/* key pressure change */ -static void midi_key_pressure(MidiStatus *st) -{ - awe_key_pressure(0, st->chan, st->buf[0], st->buf[1]); -} - -/* channel pressure change */ -static void midi_channel_pressure(MidiStatus *st) -{ - channels[st->chan].chan_press = st->buf[0]; - awe_modwheel_change(st->chan, st->buf[0]); -} - -/* pitch wheel change */ -static void midi_pitch_wheel(MidiStatus *st) -{ - int val = (int)st->buf[1] * 128 + st->buf[0]; - awe_bender(0, st->chan, val); -} - -/* program change */ -static void midi_program_change(MidiStatus *st) -{ - int preset; - preset = st->buf[0]; - if (midi_mode == MODE_GS && IS_DRUM_CHANNEL(st->chan) && preset == 127) - preset = 0; - else if (midi_mode == MODE_XG && xg_mapping && IS_DRUM_CHANNEL(st->chan)) - preset += 64; - - awe_set_instr(0, st->chan, preset); -} - -#define send_effect(chan,type,val) awe_send_effect(chan,-1,type,val) -#define add_effect(chan,type,val) awe_send_effect(chan,-1,(type)|0x80,val) -#define unset_effect(chan,type) awe_send_effect(chan,-1,(type)|0x40,0) - -/* midi control change */ -static void midi_control_change(MidiStatus *st) -{ - int cmd = st->buf[0]; - int val = st->buf[1]; - - DEBUG(2,printk("midi: control (%d) %d %d\n", st->chan, cmd, val)); - if (midi_mode == MODE_XG) { - if (xg_control_change(st, cmd, val)) - return; - } - - /* controls #31 - #64 are LSB of #0 - #31 */ - msb_bit = 1; - if (cmd >= 0x20 && cmd < 0x40) { - msb_bit = 0; - cmd -= 0x20; - } - - switch (cmd) { - case CTL_SOFT_PEDAL: - if (val == 127) - add_effect(st->chan, AWE_FX_CUTOFF, -160); - else - unset_effect(st->chan, AWE_FX_CUTOFF); - break; - - case CTL_BANK_SELECT: - midi_select_bank(st, val); - break; - - /* set RPN/NRPN parameter */ - case CTL_REGIST_PARM_NUM_MSB: - nrpn[st->chan]=0; rpn_msb[st->chan]=val; - break; - case CTL_REGIST_PARM_NUM_LSB: - nrpn[st->chan]=0; rpn_lsb[st->chan]=val; - break; - case CTL_NONREG_PARM_NUM_MSB: - nrpn[st->chan]=1; rpn_msb[st->chan]=val; - break; - case CTL_NONREG_PARM_NUM_LSB: - nrpn[st->chan]=1; rpn_lsb[st->chan]=val; - break; - - /* send RPN/NRPN entry */ - case CTL_DATA_ENTRY: - if (msb_bit) - rpn_val[st->chan] = val * 128; - else - rpn_val[st->chan] |= val; - if (nrpn[st->chan]) - midi_nrpn_event(st); - else - midi_rpn_event(st); - break; - - /* increase/decrease data entry */ - case CTL_DATA_INCREMENT: - rpn_val[st->chan]++; - midi_rpn_event(st); - break; - case CTL_DATA_DECREMENT: - rpn_val[st->chan]--; - midi_rpn_event(st); - break; - - /* default */ - default: - awe_controller(0, st->chan, cmd, val); - break; - } -} - -/* tone bank change */ -static void midi_select_bank(MidiStatus *st, int val) -{ - if (midi_mode == MODE_XG && msb_bit) { - xg_bankmode = val; - /* XG MSB value; not normal bank selection */ - switch (val) { - case 127: /* remap to drum channel */ - awe_controller(0, st->chan, CTL_BANK_SELECT, 128); - break; - default: /* remap to normal channel */ - awe_controller(0, st->chan, CTL_BANK_SELECT, val); - break; - } - return; - } else if (midi_mode == MODE_GS && !msb_bit) - /* ignore LSB bank in GS mode (used for mapping) */ - return; - - /* normal bank controls; accept both MSB and LSB */ - if (! IS_DRUM_CHANNEL(st->chan)) { - if (midi_mode == MODE_XG) { - if (xg_bankmode) return; - if (val == 64 || val == 126) - val = 0; - } else if (midi_mode == MODE_GS && val == 127) - val = 0; - awe_controller(0, st->chan, CTL_BANK_SELECT, val); - } -} - - -/* - * RPN events - */ - -static void midi_rpn_event(MidiStatus *st) -{ - int type; - type = (rpn_msb[st->chan]<<8) | rpn_lsb[st->chan]; - switch (type) { - case 0x0000: /* Pitch bend sensitivity */ - /* MSB only / 1 semitone per 128 */ - if (msb_bit) { - channels[st->chan].bender_range = - rpn_val[st->chan] * 100 / 128; - } - break; - - case 0x0001: /* fine tuning: */ - /* MSB/LSB, 8192=center, 100/8192 cent step */ - finetune = rpn_val[st->chan] - 8192; - midi_detune(st->chan, coarsetune, finetune); - break; - - case 0x0002: /* coarse tuning */ - /* MSB only / 8192=center, 1 semitone per 128 */ - if (msb_bit) { - coarsetune = rpn_val[st->chan] - 8192; - midi_detune(st->chan, coarsetune, finetune); - } - break; - - case 0x7F7F: /* "lock-in" RPN */ - break; - } -} - - -/* tuning: - * coarse = -8192 to 8192 (100 cent per 128) - * fine = -8192 to 8192 (max=100cent) - */ -static void midi_detune(int chan, int coarse, int fine) -{ - /* 4096 = 1200 cents in AWE parameter */ - int val; - val = coarse * 4096 / (12 * 128); - val += fine / 24; - if (val) - send_effect(chan, AWE_FX_INIT_PITCH, val); - else - unset_effect(chan, AWE_FX_INIT_PITCH); -} - - -/* - * system exclusive message - * GM/GS/XG macros are accepted - */ - -static void midi_system_exclusive(MidiStatus *st) -{ - /* GM on */ - static unsigned char gm_on_macro[] = { - 0x7e,0x7f,0x09,0x01, - }; - /* XG on */ - static unsigned char xg_on_macro[] = { - 0x43,0x10,0x4c,0x00,0x00,0x7e,0x00, - }; - /* GS prefix - * drum channel: XX=0x1?(channel), YY=0x15, ZZ=on/off - * reverb mode: XX=0x01, YY=0x30, ZZ=0-7 - * chorus mode: XX=0x01, YY=0x38, ZZ=0-7 - */ - static unsigned char gs_pfx_macro[] = { - 0x41,0x10,0x42,0x12,0x40,/*XX,YY,ZZ*/ - }; - -#if 0 - /* SC88 system mode set - * single module mode: XX=1 - * double module mode: XX=0 - */ - static unsigned char gs_mode_macro[] = { - 0x41,0x10,0x42,0x12,0x00,0x00,0x7F,/*ZZ*/ - }; - /* SC88 display macro: XX=01:bitmap, 00:text - */ - static unsigned char gs_disp_macro[] = { - 0x41,0x10,0x45,0x12,0x10,/*XX,00*/ - }; -#endif - - /* GM on */ - if (memcmp(st->buf, gm_on_macro, sizeof(gm_on_macro)) == 0) { - if (midi_mode != MODE_GS && midi_mode != MODE_XG) - midi_mode = MODE_GM; - init_midi_status(st); - } - - /* GS macros */ - else if (memcmp(st->buf, gs_pfx_macro, sizeof(gs_pfx_macro)) == 0) { - if (midi_mode != MODE_GS && midi_mode != MODE_XG) - midi_mode = MODE_GS; - - if (st->buf[5] == 0x00 && st->buf[6] == 0x7f && st->buf[7] == 0x00) { - /* GS reset */ - init_midi_status(st); - } - - else if ((st->buf[5] & 0xf0) == 0x10 && st->buf[6] == 0x15) { - /* drum pattern */ - int p = st->buf[5] & 0x0f; - if (p == 0) p = 9; - else if (p < 10) p--; - if (st->buf[7] == 0) - DRUM_CHANNEL_OFF(p); - else - DRUM_CHANNEL_ON(p); - - } else if ((st->buf[5] & 0xf0) == 0x10 && st->buf[6] == 0x21) { - /* program */ - int p = st->buf[5] & 0x0f; - if (p == 0) p = 9; - else if (p < 10) p--; - if (! IS_DRUM_CHANNEL(p)) - awe_set_instr(0, p, st->buf[7]); - - } else if (st->buf[5] == 0x01 && st->buf[6] == 0x30) { - /* reverb mode */ - awe_set_reverb_mode(st->buf[7]); - - } else if (st->buf[5] == 0x01 && st->buf[6] == 0x38) { - /* chorus mode */ - awe_set_chorus_mode(st->buf[7]); - - } else if (st->buf[5] == 0x00 && st->buf[6] == 0x04) { - /* master volume */ - awe_change_master_volume(st->buf[7]); - - } - } - - /* XG on */ - else if (memcmp(st->buf, xg_on_macro, sizeof(xg_on_macro)) == 0) { - midi_mode = MODE_XG; - xg_mapping = TRUE; - xg_bankmode = 0; - } -} - - -/*----------------------------------------------------------------*/ - -/* - * convert NRPN/control values - */ - -static int send_converted_effect(ConvTable *table, int num_tables, MidiStatus *st, int type, int val) -{ - int i, cval; - for (i = 0; i < num_tables; i++) { - if (table[i].control == type) { - cval = table[i].convert(val); - send_effect(st->chan, table[i].awe_effect, cval); - return TRUE; - } - } - return FALSE; -} - -static int add_converted_effect(ConvTable *table, int num_tables, MidiStatus *st, int type, int val) -{ - int i, cval; - for (i = 0; i < num_tables; i++) { - if (table[i].control == type) { - cval = table[i].convert(val); - add_effect(st->chan, table[i].awe_effect|0x80, cval); - return TRUE; - } - } - return FALSE; -} - - -/* - * AWE32 NRPN effects - */ - -static unsigned short fx_delay(int val); -static unsigned short fx_attack(int val); -static unsigned short fx_hold(int val); -static unsigned short fx_decay(int val); -static unsigned short fx_the_value(int val); -static unsigned short fx_twice_value(int val); -static unsigned short fx_conv_pitch(int val); -static unsigned short fx_conv_Q(int val); - -/* function for each NRPN */ /* [range] units */ -#define fx_env1_delay fx_delay /* [0,5900] 4msec */ -#define fx_env1_attack fx_attack /* [0,5940] 1msec */ -#define fx_env1_hold fx_hold /* [0,8191] 1msec */ -#define fx_env1_decay fx_decay /* [0,5940] 4msec */ -#define fx_env1_release fx_decay /* [0,5940] 4msec */ -#define fx_env1_sustain fx_the_value /* [0,127] 0.75dB */ -#define fx_env1_pitch fx_the_value /* [-127,127] 9.375cents */ -#define fx_env1_cutoff fx_the_value /* [-127,127] 56.25cents */ - -#define fx_env2_delay fx_delay /* [0,5900] 4msec */ -#define fx_env2_attack fx_attack /* [0,5940] 1msec */ -#define fx_env2_hold fx_hold /* [0,8191] 1msec */ -#define fx_env2_decay fx_decay /* [0,5940] 4msec */ -#define fx_env2_release fx_decay /* [0,5940] 4msec */ -#define fx_env2_sustain fx_the_value /* [0,127] 0.75dB */ - -#define fx_lfo1_delay fx_delay /* [0,5900] 4msec */ -#define fx_lfo1_freq fx_twice_value /* [0,127] 84mHz */ -#define fx_lfo1_volume fx_twice_value /* [0,127] 0.1875dB */ -#define fx_lfo1_pitch fx_the_value /* [-127,127] 9.375cents */ -#define fx_lfo1_cutoff fx_twice_value /* [-64,63] 56.25cents */ - -#define fx_lfo2_delay fx_delay /* [0,5900] 4msec */ -#define fx_lfo2_freq fx_twice_value /* [0,127] 84mHz */ -#define fx_lfo2_pitch fx_the_value /* [-127,127] 9.375cents */ - -#define fx_init_pitch fx_conv_pitch /* [-8192,8192] cents */ -#define fx_chorus fx_the_value /* [0,255] -- */ -#define fx_reverb fx_the_value /* [0,255] -- */ -#define fx_cutoff fx_twice_value /* [0,127] 62Hz */ -#define fx_filterQ fx_conv_Q /* [0,127] -- */ - -static unsigned short fx_delay(int val) -{ - return (unsigned short)calc_parm_delay(val); -} - -static unsigned short fx_attack(int val) -{ - return (unsigned short)calc_parm_attack(val); -} - -static unsigned short fx_hold(int val) -{ - return (unsigned short)calc_parm_hold(val); -} - -static unsigned short fx_decay(int val) -{ - return (unsigned short)calc_parm_decay(val); -} - -static unsigned short fx_the_value(int val) -{ - return (unsigned short)(val & 0xff); -} - -static unsigned short fx_twice_value(int val) -{ - return (unsigned short)((val * 2) & 0xff); -} - -static unsigned short fx_conv_pitch(int val) -{ - return (short)(val * 4096 / 1200); -} - -static unsigned short fx_conv_Q(int val) -{ - return (unsigned short)((val / 8) & 0xff); -} - - -static ConvTable awe_effects[] = -{ - { 0, AWE_FX_LFO1_DELAY, fx_lfo1_delay}, - { 1, AWE_FX_LFO1_FREQ, fx_lfo1_freq}, - { 2, AWE_FX_LFO2_DELAY, fx_lfo2_delay}, - { 3, AWE_FX_LFO2_FREQ, fx_lfo2_freq}, - - { 4, AWE_FX_ENV1_DELAY, fx_env1_delay}, - { 5, AWE_FX_ENV1_ATTACK,fx_env1_attack}, - { 6, AWE_FX_ENV1_HOLD, fx_env1_hold}, - { 7, AWE_FX_ENV1_DECAY, fx_env1_decay}, - { 8, AWE_FX_ENV1_SUSTAIN, fx_env1_sustain}, - { 9, AWE_FX_ENV1_RELEASE, fx_env1_release}, - - {10, AWE_FX_ENV2_DELAY, fx_env2_delay}, - {11, AWE_FX_ENV2_ATTACK, fx_env2_attack}, - {12, AWE_FX_ENV2_HOLD, fx_env2_hold}, - {13, AWE_FX_ENV2_DECAY, fx_env2_decay}, - {14, AWE_FX_ENV2_SUSTAIN, fx_env2_sustain}, - {15, AWE_FX_ENV2_RELEASE, fx_env2_release}, - - {16, AWE_FX_INIT_PITCH, fx_init_pitch}, - {17, AWE_FX_LFO1_PITCH, fx_lfo1_pitch}, - {18, AWE_FX_LFO2_PITCH, fx_lfo2_pitch}, - {19, AWE_FX_ENV1_PITCH, fx_env1_pitch}, - {20, AWE_FX_LFO1_VOLUME, fx_lfo1_volume}, - {21, AWE_FX_CUTOFF, fx_cutoff}, - {22, AWE_FX_FILTERQ, fx_filterQ}, - {23, AWE_FX_LFO1_CUTOFF, fx_lfo1_cutoff}, - {24, AWE_FX_ENV1_CUTOFF, fx_env1_cutoff}, - {25, AWE_FX_CHORUS, fx_chorus}, - {26, AWE_FX_REVERB, fx_reverb}, -}; - -static int num_awe_effects = numberof(awe_effects); - - -/* - * GS(SC88) NRPN effects; still experimental - */ - -/* cutoff: quarter semitone step, max=255 */ -static unsigned short gs_cutoff(int val) -{ - return (val - 64) * gs_sense[FX_CUTOFF] / 50; -} - -/* resonance: 0 to 15(max) */ -static unsigned short gs_filterQ(int val) -{ - return (val - 64) * gs_sense[FX_RESONANCE] / 50; -} - -/* attack: */ -static unsigned short gs_attack(int val) -{ - return -(val - 64) * gs_sense[FX_ATTACK] / 50; -} - -/* decay: */ -static unsigned short gs_decay(int val) -{ - return -(val - 64) * gs_sense[FX_RELEASE] / 50; -} - -/* release: */ -static unsigned short gs_release(int val) -{ - return -(val - 64) * gs_sense[FX_RELEASE] / 50; -} - -/* vibrato freq: 0.042Hz step, max=255 */ -static unsigned short gs_vib_rate(int val) -{ - return (val - 64) * gs_sense[FX_VIBRATE] / 50; -} - -/* vibrato depth: max=127, 1 octave */ -static unsigned short gs_vib_depth(int val) -{ - return (val - 64) * gs_sense[FX_VIBDEPTH] / 50; -} - -/* vibrato delay: -0.725msec step */ -static unsigned short gs_vib_delay(int val) -{ - return -(val - 64) * gs_sense[FX_VIBDELAY] / 50; -} - -static ConvTable gs_effects[] = -{ - {32, AWE_FX_CUTOFF, gs_cutoff}, - {33, AWE_FX_FILTERQ, gs_filterQ}, - {99, AWE_FX_ENV2_ATTACK, gs_attack}, - {100, AWE_FX_ENV2_DECAY, gs_decay}, - {102, AWE_FX_ENV2_RELEASE, gs_release}, - {8, AWE_FX_LFO1_FREQ, gs_vib_rate}, - {9, AWE_FX_LFO1_VOLUME, gs_vib_depth}, - {10, AWE_FX_LFO1_DELAY, gs_vib_delay}, -}; - -static int num_gs_effects = numberof(gs_effects); - - -/* - * NRPN events: accept as AWE32/SC88 specific controls - */ - -static void midi_nrpn_event(MidiStatus *st) -{ - if (rpn_msb[st->chan] == 127 && rpn_lsb[st->chan] <= 26) { - if (! msb_bit) /* both MSB/LSB necessary */ - send_converted_effect(awe_effects, num_awe_effects, - st, rpn_lsb[st->chan], - rpn_val[st->chan] - 8192); - } else if (rpn_msb[st->chan] == 1) { - if (msb_bit) /* only MSB is valid */ - add_converted_effect(gs_effects, num_gs_effects, - st, rpn_lsb[st->chan], - rpn_val[st->chan] / 128); - } -} - - -/* - * XG control effects; still experimental - */ - -/* cutoff: quarter semitone step, max=255 */ -static unsigned short xg_cutoff(int val) -{ - return (val - 64) * xg_sense[FX_CUTOFF] / 64; -} - -/* resonance: 0(open) to 15(most nasal) */ -static unsigned short xg_filterQ(int val) -{ - return (val - 64) * xg_sense[FX_RESONANCE] / 64; -} - -/* attack: */ -static unsigned short xg_attack(int val) -{ - return -(val - 64) * xg_sense[FX_ATTACK] / 64; -} - -/* release: */ -static unsigned short xg_release(int val) -{ - return -(val - 64) * xg_sense[FX_RELEASE] / 64; -} - -static ConvTable xg_effects[] = -{ - {71, AWE_FX_CUTOFF, xg_cutoff}, - {74, AWE_FX_FILTERQ, xg_filterQ}, - {72, AWE_FX_ENV2_RELEASE, xg_release}, - {73, AWE_FX_ENV2_ATTACK, xg_attack}, -}; - -static int num_xg_effects = numberof(xg_effects); - -static int xg_control_change(MidiStatus *st, int cmd, int val) -{ - return add_converted_effect(xg_effects, num_xg_effects, st, cmd, val); -} - -#endif /* CONFIG_AWE32_MIDIEMU */ - - -/*----------------------------------------------------------------*/ - - -/* - * initialization of AWE driver - */ - -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_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 default values */ - awe_init_ctrl_parms(TRUE); - - /* set equalizer */ - awe_update_equalizer(); - - /* set reverb & chorus modes */ - awe_update_reverb_mode(); - awe_update_chorus_mode(); -} - - -/* - * Core Device Management Functions - */ - -/* store values to i/o port array */ -static void setup_ports(int port1, int port2, int port3) -{ - awe_ports[0] = port1; - if (port2 == 0) - port2 = port1 + 0x400; - awe_ports[1] = port2; - awe_ports[2] = port2 + 2; - if (port3 == 0) - port3 = port1 + 0x800; - awe_ports[3] = port3; - awe_ports[4] = port3 + 2; - - port_setuped = TRUE; -} - -/* - * port request - * 0x620-623, 0xA20-A23, 0xE20-E23 - */ - -static int -awe_request_region(void) -{ - if (! port_setuped) - return 0; - if (! request_region(awe_ports[0], 4, "sound driver (AWE32)")) - return 0; - if (! request_region(awe_ports[1], 4, "sound driver (AWE32)")) - goto err_out; - if (! request_region(awe_ports[3], 4, "sound driver (AWE32)")) - goto err_out1; - return 1; -err_out1: - release_region(awe_ports[1], 4); -err_out: - release_region(awe_ports[0], 4); - return 0; -} - -static void -awe_release_region(void) -{ - if (! port_setuped) return; - release_region(awe_ports[0], 4); - release_region(awe_ports[1], 4); - release_region(awe_ports[3], 4); -} - -static int awe_attach_device(void) -{ - if (awe_present) return 0; /* for OSS38.. called twice? */ - - /* reserve I/O ports for awedrv */ - if (! awe_request_region()) { - printk(KERN_ERR "AWE32: I/O area already used.\n"); - return 0; - } - - /* set buffers to NULL */ - sfhead = sftail = NULL; - - my_dev = sound_alloc_synthdev(); - if (my_dev == -1) { - printk(KERN_ERR "AWE32 Error: too many synthesizers\n"); - awe_release_region(); - return 0; - } - - voice_alloc = &awe_operations.alloc; - voice_alloc->max_voice = awe_max_voices; - synth_devs[my_dev] = &awe_operations; - -#ifdef CONFIG_AWE32_MIXER - attach_mixer(); -#endif -#ifdef CONFIG_AWE32_MIDIEMU - attach_midiemu(); -#endif - - /* clear all samples */ - awe_reset_samples(); - - /* initialize AWE32 hardware */ - awe_initialize(); - - sprintf(awe_info.name, "AWE32-%s (RAM%dk)", - AWEDRV_VERSION, memsize/1024); - printk(KERN_INFO "<SoundBlaster EMU8000 (RAM%dk)>\n", memsize/1024); - - awe_present = TRUE; - - return 1; -} - -static void awe_dettach_device(void) -{ - if (awe_present) { - awe_reset_samples(); - awe_release_region(); - free_tables(); -#ifdef CONFIG_AWE32_MIXER - unload_mixer(); -#endif -#ifdef CONFIG_AWE32_MIDIEMU - unload_midiemu(); -#endif - sound_unload_synthdev(my_dev); - awe_present = FALSE; - } -} - - -/* - * Legacy device Probing - */ - -/* detect emu8000 chip on the specified address; from VV's guide */ - -static int __init -awe_detect_base(int addr) -{ - setup_ports(addr, 0, 0); - 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", addr)); - return 1; -} - -static int __init awe_detect_legacy_devices(void) -{ - int base; - for (base = 0x620; base <= 0x680; base += 0x20) - if (awe_detect_base(base)) { - awe_attach_device(); - return 1; - } - DEBUG(0,printk("AWE32 Legacy detection failed\n")); - return 0; -} - - -/* - * PnP device Probing - */ - -static struct pnp_device_id awe_pnp_ids[] = { - {.id = "CTL0021", .driver_data = 0}, /* AWE32 WaveTable */ - {.id = "CTL0022", .driver_data = 0}, /* AWE64 WaveTable */ - {.id = "CTL0023", .driver_data = 0}, /* AWE64 Gold WaveTable */ - { } /* terminator */ -}; - -MODULE_DEVICE_TABLE(pnp, awe_pnp_ids); - -static int awe_pnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) -{ - int io1, io2, io3; - - if (awe_present) { - printk(KERN_ERR "AWE32: This driver only supports one AWE32 device, skipping.\n"); - } - - if (!pnp_port_valid(dev,0) || - !pnp_port_valid(dev,1) || - !pnp_port_valid(dev,2)) { - printk(KERN_ERR "AWE32: The PnP device does not have the required resources.\n"); - return -EINVAL; - } - io1 = pnp_port_start(dev,0); - io2 = pnp_port_start(dev,1); - io3 = pnp_port_start(dev,2); - printk(KERN_INFO "AWE32: A PnP Wave Table was detected at IO's %#x,%#x,%#x.\n", - io1, io2, io3); - setup_ports(io1, io2, io3); - - awe_attach_device(); - return 0; -} - -static void awe_pnp_remove(struct pnp_dev *dev) -{ - awe_dettach_device(); -} - -static struct pnp_driver awe_pnp_driver = { - .name = "AWE32", - .id_table = awe_pnp_ids, - .probe = awe_pnp_probe, - .remove = awe_pnp_remove, -}; - -static int __init awe_detect_pnp_devices(void) -{ - int ret; - - ret = pnp_register_driver(&awe_pnp_driver); - if (ret<0) - printk(KERN_ERR "AWE32: PnP support is unavailable.\n"); - return ret; -} - - -/* - * device / lowlevel (module) interface - */ - -static int __init -awe_detect(void) -{ - printk(KERN_INFO "AWE32: Probing for WaveTable...\n"); - if (isapnp) { - if (awe_detect_pnp_devices()>=0) - return 1; - } else - printk(KERN_INFO "AWE32: Skipping PnP detection.\n"); - - if (awe_detect_legacy_devices()) - return 1; - - return 0; -} - -static int __init attach_awe(void) -{ - return awe_detect() ? 0 : -ENODEV; -} - -static void __exit unload_awe(void) -{ - pnp_unregister_driver(&awe_pnp_driver); - awe_dettach_device(); -} - - -module_init(attach_awe); -module_exit(unload_awe); - -#ifndef MODULE -static int __init setup_awe(char *str) -{ - /* io, memsize, isapnp */ - int ints[4]; - - str = get_options(str, ARRAY_SIZE(ints), ints); - - io = ints[1]; - memsize = ints[2]; - isapnp = ints[3]; - - return 1; -} - -__setup("awe=", setup_awe); -#endif |