diff options
Diffstat (limited to 'sound/drivers/opl3/opl3_midi.c')
| -rw-r--r-- | sound/drivers/opl3/opl3_midi.c | 183 |
1 files changed, 98 insertions, 85 deletions
diff --git a/sound/drivers/opl3/opl3_midi.c b/sound/drivers/opl3/opl3_midi.c index 93d674070b7..6c6d09a51f4 100644 --- a/sound/drivers/opl3/opl3_midi.c +++ b/sound/drivers/opl3/opl3_midi.c @@ -27,8 +27,10 @@ extern char snd_opl3_regmap[MAX_OPL2_VOICES][4]; -extern int use_internal_drums; +extern bool use_internal_drums; +static void snd_opl3_note_off_unsafe(void *p, int note, int vel, + struct snd_midi_channel *chan); /* * The next table looks magical, but it certainly is not. Its values have * been calculated as table[i]=8*log(i/64)/log(2) with an obvious exception @@ -60,7 +62,7 @@ static char opl3_volume_table[128] = }; void snd_opl3_calc_volume(unsigned char *volbyte, int vel, - snd_midi_channel_t *chan) + struct snd_midi_channel *chan) { int oldvol, newvol, n; int volume; @@ -93,7 +95,7 @@ static short opl3_note_table[16] = }; static void snd_opl3_calc_pitch(unsigned char *fnum, unsigned char *blocknum, - int note, snd_midi_channel_t *chan) + int note, struct snd_midi_channel *chan) { int block = ((note / 12) & 0x07) - 1; int idx = (note % 12) + 2; @@ -121,11 +123,11 @@ static void snd_opl3_calc_pitch(unsigned char *fnum, unsigned char *blocknum, #ifdef DEBUG_ALLOC -static void debug_alloc(opl3_t *opl3, char *s, int voice) { +static void debug_alloc(struct snd_opl3 *opl3, char *s, int voice) { int i; char *str = "x.24"; - printk("time %.5i: %s [%.2i]: ", opl3->use_time, s, voice); + printk(KERN_DEBUG "time %.5i: %s [%.2i]: ", opl3->use_time, s, voice); for (i = 0; i < opl3->max_voices; i++) printk("%c", *(str + opl3->voices[i].state + 1)); printk("\n"); @@ -135,12 +137,12 @@ static void debug_alloc(opl3_t *opl3, char *s, int voice) { /* * Get a FM voice (channel) to play a note on. */ -static int opl3_get_voice(opl3_t *opl3, int instr_4op, - snd_midi_channel_t *chan) { +static int opl3_get_voice(struct snd_opl3 *opl3, int instr_4op, + struct snd_midi_channel *chan) { int chan_4op_1; /* first voice for 4op instrument */ int chan_4op_2; /* second voice for 4op instrument */ - snd_opl3_voice_t *vp, *vp2; + struct snd_opl3_voice *vp, *vp2; unsigned int voice_time; int i; @@ -161,7 +163,7 @@ static int opl3_get_voice(opl3_t *opl3, int instr_4op, struct best *bp; for (i = 0; i < END; i++) { - best[i].time = (unsigned int)(-1); /* XXX MAX_?INT really */; + best[i].time = (unsigned int)(-1); /* XXX MAX_?INT really */ best[i].voice = -1; } @@ -218,7 +220,7 @@ static int opl3_get_voice(opl3_t *opl3, int instr_4op, for (i = 0; i < END; i++) { if (best[i].voice >= 0) { #ifdef DEBUG_ALLOC - printk("%s %iop allocation on voice %i\n", + printk(KERN_DEBUG "%s %iop allocation on voice %i\n", alloc_type[i], instr_4op ? 4 : 2, best[i].voice); #endif @@ -237,33 +239,38 @@ static int opl3_get_voice(opl3_t *opl3, int instr_4op, void snd_opl3_timer_func(unsigned long data) { - opl3_t *opl3 = (opl3_t *)data; + struct snd_opl3 *opl3 = (struct snd_opl3 *)data; + unsigned long flags; int again = 0; int i; - spin_lock(&opl3->sys_timer_lock); + spin_lock_irqsave(&opl3->voice_lock, flags); for (i = 0; i < opl3->max_voices; i++) { - snd_opl3_voice_t *vp = &opl3->voices[i]; + struct snd_opl3_voice *vp = &opl3->voices[i]; if (vp->state > 0 && vp->note_off_check) { if (vp->note_off == jiffies) - snd_opl3_note_off(opl3, vp->note, 0, vp->chan); + snd_opl3_note_off_unsafe(opl3, vp->note, 0, + vp->chan); else again++; } } + spin_unlock_irqrestore(&opl3->voice_lock, flags); + + spin_lock_irqsave(&opl3->sys_timer_lock, flags); if (again) { opl3->tlist.expires = jiffies + 1; /* invoke again */ add_timer(&opl3->tlist); } else { opl3->sys_timer_status = 0; } - spin_unlock(&opl3->sys_timer_lock); + spin_unlock_irqrestore(&opl3->sys_timer_lock, flags); } /* * Start system timer */ -static void snd_opl3_start_timer(opl3_t *opl3) +static void snd_opl3_start_timer(struct snd_opl3 *opl3) { unsigned long flags; spin_lock_irqsave(&opl3->sys_timer_lock, flags); @@ -285,15 +292,13 @@ static int snd_opl3_oss_map[MAX_OPL3_VOICES] = { /* * Start a note. */ -void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) +void snd_opl3_note_on(void *p, int note, int vel, struct snd_midi_channel *chan) { - opl3_t *opl3; - snd_seq_instr_t wanted; - snd_seq_kinstr_t *kinstr; + struct snd_opl3 *opl3; int instr_4op; int voice; - snd_opl3_voice_t *vp, *vp2; + struct snd_opl3_voice *vp, *vp2; unsigned short connect_mask; unsigned char connection; unsigned char vol_op[4]; @@ -305,33 +310,33 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) unsigned char voice_offset; unsigned short opl3_reg; unsigned char reg_val; + unsigned char prg, bank; int key = note; unsigned char fnum, blocknum; int i; - fm_instrument_t *fm; + struct fm_patch *patch; + struct fm_instrument *fm; unsigned long flags; opl3 = p; #ifdef DEBUG_MIDI - snd_printk("Note on, ch %i, inst %i, note %i, vel %i\n", + snd_printk(KERN_DEBUG "Note on, ch %i, inst %i, note %i, vel %i\n", chan->number, chan->midi_program, note, vel); #endif - wanted.cluster = 0; - wanted.std = SNDRV_SEQ_INSTR_TYPE2_OPL2_3; /* in SYNTH mode, application takes care of voices */ /* in SEQ mode, drum voice numbers are notes on drum channel */ if (opl3->synth_mode == SNDRV_OPL3_MODE_SEQ) { if (chan->drum_channel) { /* percussion instruments are located in bank 128 */ - wanted.bank = 128; - wanted.prg = note; + bank = 128; + prg = note; } else { - wanted.bank = chan->gm_bank_select; - wanted.prg = chan->midi_program; + bank = chan->gm_bank_select; + prg = chan->midi_program; } } else { /* Prepare for OSS mode */ @@ -339,8 +344,8 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) return; /* OSS instruments are located in bank 127 */ - wanted.bank = 127; - wanted.prg = chan->midi_program; + bank = 127; + prg = chan->midi_program; } spin_lock_irqsave(&opl3->voice_lock, flags); @@ -352,15 +357,14 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) } __extra_prg: - kinstr = snd_seq_instr_find(opl3->ilist, &wanted, 1, 0); - if (kinstr == NULL) { + patch = snd_opl3_find_patch(opl3, prg, bank, 0); + if (!patch) { spin_unlock_irqrestore(&opl3->voice_lock, flags); return; } - fm = KINSTR_DATA(kinstr); - - switch (fm->type) { + fm = &patch->inst; + switch (patch->type) { case FM_PATCH_OPL2: instr_4op = 0; break; @@ -370,14 +374,12 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) break; } default: - snd_seq_instr_free_use(opl3->ilist, kinstr); spin_unlock_irqrestore(&opl3->voice_lock, flags); return; } - #ifdef DEBUG_MIDI - snd_printk(" --> OPL%i instrument: %s\n", - instr_4op ? 3 : 2, kinstr->name); + snd_printk(KERN_DEBUG " --> OPL%i instrument: %s\n", + instr_4op ? 3 : 2, patch->name); #endif /* in SYNTH mode, application takes care of voices */ /* in SEQ mode, allocate voice on free OPL3 channel */ @@ -388,6 +390,11 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) voice = snd_opl3_oss_map[chan->number]; } + if (voice < 0) { + spin_unlock_irqrestore(&opl3->voice_lock, flags); + return; + } + if (voice < MAX_OPL2_VOICES) { /* Left register block for voices 0 .. 8 */ reg_side = OPL3_LEFT; @@ -435,7 +442,7 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) } #ifdef DEBUG_MIDI - snd_printk(" --> setting OPL3 connection: 0x%x\n", + snd_printk(KERN_DEBUG " --> setting OPL3 connection: 0x%x\n", opl3->connection_reg); #endif /* @@ -470,7 +477,7 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) /* Program the FM voice characteristics */ for (i = 0; i < (instr_4op ? 4 : 2); i++) { #ifdef DEBUG_MIDI - snd_printk(" --> programming operator %i\n", i); + snd_printk(KERN_DEBUG " --> programming operator %i\n", i); #endif op_offset = snd_opl3_regmap[voice_offset][i]; @@ -550,7 +557,7 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) blocknum |= OPL3_KEYON_BIT; #ifdef DEBUG_MIDI - snd_printk(" --> trigger voice %i\n", voice); + snd_printk(KERN_DEBUG " --> trigger voice %i\n", voice); #endif /* Set OPL3 KEYON_BLOCK register of requested voice */ opl3_reg = reg_side | (OPL3_REG_KEYON_BLOCK + voice_offset); @@ -568,8 +575,6 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) /* get extra pgm, but avoid possible loops */ extra_prg = (extra_prg) ? 0 : fm->modes; - snd_seq_instr_free_use(opl3->ilist, kinstr); - /* do the bookkeeping */ vp->time = opl3->use_time++; vp->note = key; @@ -600,30 +605,31 @@ void snd_opl3_note_on(void *p, int note, int vel, snd_midi_channel_t *chan) /* allocate extra program if specified in patch library */ if (extra_prg) { if (extra_prg > 128) { - wanted.bank = 128; + bank = 128; /* percussions start at 35 */ - wanted.prg = extra_prg - 128 + 35 - 1; + prg = extra_prg - 128 + 35 - 1; } else { - wanted.bank = 0; - wanted.prg = extra_prg - 1; + bank = 0; + prg = extra_prg - 1; } #ifdef DEBUG_MIDI - snd_printk(" *** allocating extra program\n"); + snd_printk(KERN_DEBUG " *** allocating extra program\n"); #endif goto __extra_prg; } spin_unlock_irqrestore(&opl3->voice_lock, flags); } -static void snd_opl3_kill_voice(opl3_t *opl3, int voice) +static void snd_opl3_kill_voice(struct snd_opl3 *opl3, int voice) { unsigned short reg_side; unsigned char voice_offset; unsigned short opl3_reg; - snd_opl3_voice_t *vp, *vp2; + struct snd_opl3_voice *vp, *vp2; - snd_assert(voice < MAX_OPL3_VOICES, return); + if (snd_BUG_ON(voice >= MAX_OPL3_VOICES)) + return; vp = &opl3->voices[voice]; if (voice < MAX_OPL2_VOICES) { @@ -638,7 +644,7 @@ static void snd_opl3_kill_voice(opl3_t *opl3, int voice) /* kill voice */ #ifdef DEBUG_MIDI - snd_printk(" --> kill voice %i\n", voice); + snd_printk(KERN_DEBUG " --> kill voice %i\n", voice); #endif opl3_reg = reg_side | (OPL3_REG_KEYON_BLOCK + voice_offset); /* clear Key ON bit */ @@ -663,28 +669,24 @@ static void snd_opl3_kill_voice(opl3_t *opl3, int voice) /* * Release a note in response to a midi note off. */ -void snd_opl3_note_off(void *p, int note, int vel, snd_midi_channel_t *chan) +static void snd_opl3_note_off_unsafe(void *p, int note, int vel, + struct snd_midi_channel *chan) { - opl3_t *opl3; + struct snd_opl3 *opl3; int voice; - snd_opl3_voice_t *vp; - - unsigned long flags; + struct snd_opl3_voice *vp; opl3 = p; #ifdef DEBUG_MIDI - snd_printk("Note off, ch %i, inst %i, note %i\n", + snd_printk(KERN_DEBUG "Note off, ch %i, inst %i, note %i\n", chan->number, chan->midi_program, note); #endif - spin_lock_irqsave(&opl3->voice_lock, flags); - if (opl3->synth_mode == SNDRV_OPL3_MODE_SEQ) { if (chan->drum_channel && use_internal_drums) { snd_opl3_drum_switch(opl3, note, vel, 0, chan); - spin_unlock_irqrestore(&opl3->voice_lock, flags); return; } /* this loop will hopefully kill all extra voices, because @@ -702,19 +704,29 @@ void snd_opl3_note_off(void *p, int note, int vel, snd_midi_channel_t *chan) snd_opl3_kill_voice(opl3, voice); } } +} + +void snd_opl3_note_off(void *p, int note, int vel, + struct snd_midi_channel *chan) +{ + struct snd_opl3 *opl3 = p; + unsigned long flags; + + spin_lock_irqsave(&opl3->voice_lock, flags); + snd_opl3_note_off_unsafe(p, note, vel, chan); spin_unlock_irqrestore(&opl3->voice_lock, flags); } /* * key pressure change */ -void snd_opl3_key_press(void *p, int note, int vel, snd_midi_channel_t *chan) +void snd_opl3_key_press(void *p, int note, int vel, struct snd_midi_channel *chan) { - opl3_t *opl3; + struct snd_opl3 *opl3; opl3 = p; #ifdef DEBUG_MIDI - snd_printk("Key pressure, ch#: %i, inst#: %i\n", + snd_printk(KERN_DEBUG "Key pressure, ch#: %i, inst#: %i\n", chan->number, chan->midi_program); #endif } @@ -722,18 +734,18 @@ void snd_opl3_key_press(void *p, int note, int vel, snd_midi_channel_t *chan) /* * terminate note */ -void snd_opl3_terminate_note(void *p, int note, snd_midi_channel_t *chan) +void snd_opl3_terminate_note(void *p, int note, struct snd_midi_channel *chan) { - opl3_t *opl3; + struct snd_opl3 *opl3; opl3 = p; #ifdef DEBUG_MIDI - snd_printk("Terminate note, ch#: %i, inst#: %i\n", + snd_printk(KERN_DEBUG "Terminate note, ch#: %i, inst#: %i\n", chan->number, chan->midi_program); #endif } -static void snd_opl3_update_pitch(opl3_t *opl3, int voice) +static void snd_opl3_update_pitch(struct snd_opl3 *opl3, int voice) { unsigned short reg_side; unsigned char voice_offset; @@ -741,9 +753,10 @@ static void snd_opl3_update_pitch(opl3_t *opl3, int voice) unsigned char fnum, blocknum; - snd_opl3_voice_t *vp; + struct snd_opl3_voice *vp; - snd_assert(voice < MAX_OPL3_VOICES, return); + if (snd_BUG_ON(voice >= MAX_OPL3_VOICES)) + return; vp = &opl3->voices[voice]; if (vp->chan == NULL) @@ -780,10 +793,10 @@ static void snd_opl3_update_pitch(opl3_t *opl3, int voice) /* * Update voice pitch controller */ -static void snd_opl3_pitch_ctrl(opl3_t *opl3, snd_midi_channel_t *chan) +static void snd_opl3_pitch_ctrl(struct snd_opl3 *opl3, struct snd_midi_channel *chan) { int voice; - snd_opl3_voice_t *vp; + struct snd_opl3_voice *vp; unsigned long flags; @@ -807,16 +820,16 @@ static void snd_opl3_pitch_ctrl(opl3_t *opl3, snd_midi_channel_t *chan) } /* - * Deal with a controler type event. This includes all types of + * Deal with a controller type event. This includes all types of * control events, not just the midi controllers */ -void snd_opl3_control(void *p, int type, snd_midi_channel_t *chan) +void snd_opl3_control(void *p, int type, struct snd_midi_channel *chan) { - opl3_t *opl3; + struct snd_opl3 *opl3; opl3 = p; #ifdef DEBUG_MIDI - snd_printk("Controller, TYPE = %i, ch#: %i, inst#: %i\n", + snd_printk(KERN_DEBUG "Controller, TYPE = %i, ch#: %i, inst#: %i\n", type, chan->number, chan->midi_program); #endif @@ -846,14 +859,14 @@ void snd_opl3_control(void *p, int type, snd_midi_channel_t *chan) /* * NRPN events */ -void snd_opl3_nrpn(void *p, snd_midi_channel_t *chan, - snd_midi_channel_set_t *chset) +void snd_opl3_nrpn(void *p, struct snd_midi_channel *chan, + struct snd_midi_channel_set *chset) { - opl3_t *opl3; + struct snd_opl3 *opl3; opl3 = p; #ifdef DEBUG_MIDI - snd_printk("NRPN, ch#: %i, inst#: %i\n", + snd_printk(KERN_DEBUG "NRPN, ch#: %i, inst#: %i\n", chan->number, chan->midi_program); #endif } @@ -862,12 +875,12 @@ void snd_opl3_nrpn(void *p, snd_midi_channel_t *chan, * receive sysex */ void snd_opl3_sysex(void *p, unsigned char *buf, int len, - int parsed, snd_midi_channel_set_t *chset) + int parsed, struct snd_midi_channel_set *chset) { - opl3_t *opl3; + struct snd_opl3 *opl3; opl3 = p; #ifdef DEBUG_MIDI - snd_printk("SYSEX\n"); + snd_printk(KERN_DEBUG "SYSEX\n"); #endif } |
