diff options
Diffstat (limited to 'sys/i386/isa/sound/sequencer.c')
| -rw-r--r-- | sys/i386/isa/sound/sequencer.c | 2597 |
1 files changed, 1279 insertions, 1318 deletions
diff --git a/sys/i386/isa/sound/sequencer.c b/sys/i386/isa/sound/sequencer.c index 45f06c1edfbf..d6bd72d3f305 100644 --- a/sys/i386/isa/sound/sequencer.c +++ b/sys/i386/isa/sound/sequencer.c @@ -1,10 +1,10 @@ /* * sound/sequencer.c - * + * * The sequencer personality manager. - * + * * Copyright by Hannu Savolainen 1993 - * + * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: 1. Redistributions of source code must retain the above copyright @@ -12,7 +12,7 @@ * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. - * + * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE @@ -24,16 +24,21 @@ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. - * + * */ #define SEQUENCER_C -#include "sound_config.h" +#include <i386/isa/sound/sound_config.h> + +#if NSND > 0 -#ifdef CONFIGURE_SOUNDCARD +#ifdef CONFIG_SEQUENCER -#ifndef EXCLUDE_SEQUENCER +#include <i386/isa/sound/midi_ctrl.h> +void seq_drain_midi_queues(void); +int +sequencer_poll (int dev, struct fileinfo *file, int events, select_table * wait); static int sequencer_ok = 0; static struct sound_timer_operations *tmr; static int tmr_no = -1; /* Currently selected timer */ @@ -47,1289 +52,1313 @@ static int max_mididev = 0; static int max_synthdev = 0; /* - * The seq_mode gives the operating mode of the sequencer: - * 1 = level1 (the default) - * 2 = level2 (extended capabilites) + * The seq_mode gives the operating mode of the sequencer: 1 = level1 (the + * default) 2 = level2 (extended capabilites) */ #define SEQ_1 1 #define SEQ_2 2 static int seq_mode = SEQ_1; -DEFINE_WAIT_QUEUE (seq_sleeper, seq_sleep_flag); -DEFINE_WAIT_QUEUE (midi_sleeper, midi_sleep_flag); +static int *seq_sleeper = NULL; +static volatile struct snd_wait seq_sleep_flag = {0}; +static int *midi_sleeper = NULL; +static volatile struct snd_wait midi_sleep_flag = {0}; -static int midi_opened[MAX_MIDI_DEV] = -{0}; -static int midi_written[MAX_MIDI_DEV] = -{0}; +static int midi_opened[MAX_MIDI_DEV] = {0}; +static int midi_written[MAX_MIDI_DEV] = {0}; -unsigned long prev_input_time = 0; +u_long prev_input_time = 0; int prev_event_time; -unsigned long seq_time = 0; +u_long seq_time = 0; -#include "tuning.h" +#include <i386/isa/sound/tuning.h> #define EV_SZ 8 #define IEV_SZ 8 -static unsigned char *queue = NULL; -static unsigned char *iqueue = NULL; +static u_char *queue = NULL; +static u_char *iqueue = NULL; static volatile int qhead = 0, qtail = 0, qlen = 0; static volatile int iqhead = 0, iqtail = 0, iqlen = 0; static volatile int seq_playing = 0; -static int sequencer_busy = 0; +static volatile int sequencer_busy = 0; static int output_treshold; static int pre_event_timeout; -static unsigned synth_open_mask; +static u_int synth_open_mask; -static int seq_queue (unsigned char *note); -static void seq_startplay (void); -static int seq_sync (void); -static void seq_reset (void); +static int seq_queue(u_char *note, char nonblock); +static void seq_startplay(void); +static int seq_sync(void); +static void seq_reset(void); static int pmgr_present[MAX_SYNTH_DEV] = {0}; +static struct callout_handle sequencertimeout_ch + = CALLOUT_HANDLE_INITIALIZER(&sequencertimeout_ch); #if MAX_SYNTH_DEV > 15 #error Too many synthesizer devices enabled. #endif +/* + * sound_timer stuff -- originally in soundcard.c + * + * A negative value means a relative timeout in |count| ticks. + * A positive value is used for what ? + * + * In any case, this is only used in sequencer.c + */ + +static int timer_running = 0; + +void +request_sound_timer(int count) +{ + static int current = 0; + int tmp = count; + + if (count < 0) + sequencertimeout_ch = timeout(sequencer_timer, 0, -count); + else { + + if (count < current) + current = 0; /* Timer restarted */ + + count = count - current; + current = tmp; + if (!count) + count = 1; + sequencertimeout_ch = timeout(sequencer_timer, 0, count); + } + timer_running = 1; +} + +void +sound_stop_timer(void) +{ + if (timer_running) + untimeout( sequencer_timer, 0, sequencertimeout_ch); + timer_running = 0; +} + int -sequencer_read (int dev, struct fileinfo *file, snd_rw_buf * buf, int count) +sequencer_read(int dev, struct fileinfo * file, snd_rw_buf * buf, int count) { - int c = count, p = 0; - int ev_len; - unsigned long flags; + int c = count, p = 0; + int ev_len; + u_long flags; - dev = dev >> 4; + dev = dev >> 4; - ev_len = seq_mode == SEQ_1 ? 4 : 8; + ev_len = seq_mode == SEQ_1 ? 4 : 8; - if (dev) /* - * Patch manager device - */ - return pmgr_read (dev - 1, file, buf, count); + if (dev) /* Patch manager device */ + return pmgr_read(dev - 1, file, buf, count); - DISABLE_INTR (flags); - if (!iqlen) - { - DO_SLEEP (midi_sleeper, midi_sleep_flag, pre_event_timeout); + flags = splhigh(); + if (!iqlen) { + int flag, chn; - if (!iqlen) - { - RESTORE_INTR (flags); - return 0; + + midi_sleeper = &chn; + DO_SLEEP(chn, midi_sleep_flag, pre_event_timeout); + + if (!iqlen) { + splx(flags); + return 0; } } + while (iqlen && c >= ev_len) { - while (iqlen && c >= ev_len) - { - - COPY_TO_USER (buf, p, &iqueue[iqhead * IEV_SZ], ev_len); - p += ev_len; - c -= ev_len; + if (uiomove((char *) &iqueue[iqhead * IEV_SZ], ev_len, buf)) + printf("sb: Bad copyout()!\n"); + p += ev_len; + c -= ev_len; - iqhead = (iqhead + 1) % SEQ_MAX_QUEUE; - iqlen--; + iqhead = (iqhead + 1) % SEQ_MAX_QUEUE; + iqlen--; } - RESTORE_INTR (flags); + splx(flags); - return count - c; + return count - c; } static void -sequencer_midi_output (int dev) +sequencer_midi_output(int dev) { - /* - * Currently NOP - */ + /* + * Currently NOP + */ } void -seq_copy_to_input (unsigned char *event, int len) +seq_copy_to_input(u_char *event, int len) { - unsigned long flags; + u_long flags; - /* - * Verify that the len is valid for the current mode. - */ + /* + * Verify that the len is valid for the current mode. + */ - if (len != 4 && len != 8) - return; - if ((seq_mode == SEQ_1) != (len == 4)) - return; + if (len != 4 && len != 8) + return; + if ((seq_mode == SEQ_1) != (len == 4)) + return; - if (iqlen >= (SEQ_MAX_QUEUE - 1)) - return; /* Overflow */ + if (iqlen >= (SEQ_MAX_QUEUE - 1)) + return; /* Overflow */ - DISABLE_INTR (flags); - memcpy (&iqueue[iqtail * IEV_SZ], event, len); - iqlen++; - iqtail = (iqtail + 1) % SEQ_MAX_QUEUE; + flags = splhigh(); + bcopy(event, &iqueue[iqtail * IEV_SZ], len); + iqlen++; + iqtail = (iqtail + 1) % SEQ_MAX_QUEUE; - if (SOMEONE_WAITING (midi_sleeper, midi_sleep_flag)) - { - WAKE_UP (midi_sleeper, midi_sleep_flag); + if ((midi_sleep_flag.mode & WK_SLEEP)) { + midi_sleep_flag.mode = WK_WAKEUP; + wakeup(midi_sleeper); } - RESTORE_INTR (flags); + splx(flags); } static void -sequencer_midi_input (int dev, unsigned char data) +sequencer_midi_input(int dev, u_char data) { - unsigned int tstamp; - unsigned char event[4]; + u_int tstamp; + u_char event[4]; - if (data == 0xfe) /* Ignore active sensing */ - return; + if (data == 0xfe) /* Ignore active sensing */ + return; - tstamp = GET_TIME () - seq_time; - if (tstamp != prev_input_time) - { - tstamp = (tstamp << 8) | SEQ_WAIT; + tstamp = get_time() - seq_time; + if (tstamp != prev_input_time) { + tstamp = (tstamp << 8) | SEQ_WAIT; - seq_copy_to_input ((unsigned char *) &tstamp, 4); - prev_input_time = tstamp; + seq_copy_to_input((u_char *) &tstamp, 4); + prev_input_time = tstamp; } + event[0] = SEQ_MIDIPUTC; + event[1] = data; + event[2] = dev; + event[3] = 0; - event[0] = SEQ_MIDIPUTC; - event[1] = data; - event[2] = dev; - event[3] = 0; - - seq_copy_to_input (event, 4); + seq_copy_to_input(event, 4); } void -seq_input_event (unsigned char *event, int len) +seq_input_event(u_char *event, int len) { - unsigned long this_time; + u_long this_time; - if (seq_mode == SEQ_2) - this_time = tmr->get_time (tmr_no); - else - this_time = GET_TIME () - seq_time; + if (seq_mode == SEQ_2) + this_time = tmr->get_time(tmr_no); + else + this_time = get_time() - seq_time; - if (this_time != prev_input_time) - { - unsigned char tmp_event[8]; + if (this_time != prev_input_time) { + u_char tmp_event[8]; - tmp_event[0] = EV_TIMING; - tmp_event[1] = TMR_WAIT_ABS; - tmp_event[2] = 0; - tmp_event[3] = 0; - *(unsigned long *) &tmp_event[4] = this_time; + tmp_event[0] = EV_TIMING; + tmp_event[1] = TMR_WAIT_ABS; + tmp_event[2] = 0; + tmp_event[3] = 0; + *(u_long *) &tmp_event[4] = this_time; - seq_copy_to_input (tmp_event, 8); - prev_input_time = this_time; + seq_copy_to_input(tmp_event, 8); + prev_input_time = this_time; } - - seq_copy_to_input (event, len); + seq_copy_to_input(event, len); } int -sequencer_write (int dev, struct fileinfo *file, snd_rw_buf * buf, int count) +sequencer_write(int dev, struct fileinfo * file, snd_rw_buf * buf, int count) { - unsigned char event[EV_SZ], ev_code; - int p = 0, c, ev_size; - int err; - int mode = file->mode & O_ACCMODE; + u_char event[EV_SZ], ev_code; + int p = 0, c, ev_size; + int err; + int mode = file->mode & O_ACCMODE; - dev = dev >> 4; + dev = dev >> 4; - DEB (printk ("sequencer_write(dev=%d, count=%d)\n", dev, count)); + DEB(printf("sequencer_write(dev=%d, count=%d)\n", dev, count)); - if (mode == OPEN_READ) - return RET_ERROR (EIO); + if (mode == OPEN_READ) + return -(EIO); - if (dev) /* - * Patch manager device - */ - return pmgr_write (dev - 1, file, buf, count); + if (dev) + return pmgr_write(dev - 1, file, buf, count); - c = count; + c = count; - while (c >= 4) - { - COPY_FROM_USER (event, buf, p, 4); - ev_code = event[0]; + while (c >= 4) { - if (ev_code == SEQ_FULLSIZE) - { - int err; + if (uiomove((char *) event, 4, buf)) + printf("sb: Bad copyin()!\n"); + ev_code = event[0]; - dev = *(unsigned short *) &event[2]; - if (dev < 0 || dev >= max_synthdev) - return RET_ERROR (ENXIO); + if (ev_code == SEQ_FULLSIZE) { + int err; - if (!(synth_open_mask & (1 << dev))) - return RET_ERROR (ENXIO); + dev = *(u_short *) &event[2]; + if (dev < 0 || dev >= max_synthdev) + return -(ENXIO); - err = synth_devs[dev]->load_patch (dev, *(short *) &event[0], buf, p + 4, c, 0); - if (err < 0) - return err; + if (!(synth_open_mask & (1 << dev))) + return -(ENXIO); - return err; - } + err = synth_devs[dev]->load_patch(dev, + *(short *) &event[0], buf, p + 4, c, 0); + if (err < 0) + return err; - if (ev_code >= 128) - { - if (seq_mode == SEQ_2 && ev_code == SEQ_EXTENDED) - { - printk ("Sequencer: Invalid level 2 event %x\n", ev_code); - return RET_ERROR (EINVAL); + return err; + } + if (ev_code >= 128) { + if (seq_mode == SEQ_2 && ev_code == SEQ_EXTENDED) { + printf("Sequencer: Invalid level 2 event %x\n", ev_code); + return -(EINVAL); } + ev_size = 8; - ev_size = 8; - - if (c < ev_size) - { - if (!seq_playing) - seq_startplay (); - return count - c; + if (c < ev_size) { + if (!seq_playing) + seq_startplay(); + return count - c; } - - COPY_FROM_USER (&event[4], buf, p + 4, 4); - - } - else - { - if (seq_mode == SEQ_2) - { - printk ("Sequencer: 4 byte event in level 2 mode\n"); - return RET_ERROR (EINVAL); + if (uiomove((char *) &event[4], 4, buf)) + printf("sb: Bad copyin()!\n"); + } else { + if (seq_mode == SEQ_2) { + printf("Sequencer: 4 byte event in level 2 mode\n"); + return -(EINVAL); } - ev_size = 4; + ev_size = 4; } - if (event[0] == SEQ_MIDIPUTC) - { + if (event[0] == SEQ_MIDIPUTC) { - if (!midi_opened[event[2]]) - { - int mode; - int dev = event[2]; + if (!midi_opened[event[2]]) { + int mode; + int dev = event[2]; - if (dev >= max_mididev) - { - printk ("Sequencer Error: Nonexistent MIDI device %d\n", dev); - return RET_ERROR (ENXIO); + if (dev >= max_mididev) { + printf("Sequencer Error: Nonexistent MIDI device %d\n",dev); + return -(ENXIO); } + mode = file->mode & O_ACCMODE; - mode = file->mode & O_ACCMODE; - - if ((err = midi_devs[dev]->open (dev, mode, - sequencer_midi_input, sequencer_midi_output)) < 0) - { - seq_reset (); - printk ("Sequencer Error: Unable to open Midi #%d\n", dev); - return err; + if ((err = midi_devs[dev]->open(dev, mode, + sequencer_midi_input, sequencer_midi_output)) < 0) { + seq_reset(); + printf("Sequencer Error: Unable to open Midi #%d\n", dev); + return err; } - - midi_opened[dev] = 1; + midi_opened[dev] = 1; } - } + if (!seq_queue(event, 0)) { + int processed = count - c; - if (!seq_queue (event)) - { + if (!seq_playing) + seq_startplay(); - if (!seq_playing) - seq_startplay (); - return count - c; + if (!processed && 0) + return -(EAGAIN); + else + return processed; } - - p += ev_size; - c -= ev_size; + p += ev_size; + c -= ev_size; } - if (!seq_playing) - seq_startplay (); + if (!seq_playing) + seq_startplay(); - return count; + return count; /* This will "eat" chunks shorter than 4 bytes + * (if written alone) Should we really do that ? + */ } static int -seq_queue (unsigned char *note) +seq_queue(u_char *note, char nonblock) { - /* - * Test if there is space in the queue - */ + /* + * Test if there is space in the queue + */ - if (qlen >= SEQ_MAX_QUEUE) - if (!seq_playing) - seq_startplay (); /* - * Give chance to drain the queue - */ + if (qlen >= SEQ_MAX_QUEUE) + if (!seq_playing) + seq_startplay(); /* Give chance to drain the queue */ - if (qlen >= SEQ_MAX_QUEUE && !SOMEONE_WAITING (seq_sleeper, seq_sleep_flag)) - { - /* - * Sleep until there is enough space on the queue - */ - DO_SLEEP (seq_sleeper, seq_sleep_flag, 0); - } + if (!nonblock && qlen >= SEQ_MAX_QUEUE && + !(seq_sleep_flag.mode & WK_SLEEP)) { + /* + * Sleep until there is enough space on the queue + */ + + int chn; - if (qlen >= SEQ_MAX_QUEUE) - return 0; /* - * To be sure - */ - memcpy (&queue[qtail * EV_SZ], note, EV_SZ); + seq_sleeper = &chn; + DO_SLEEP(chn, seq_sleep_flag, 0); - qtail = (qtail + 1) % SEQ_MAX_QUEUE; - qlen++; + } + if (qlen >= SEQ_MAX_QUEUE) + return 0; /* To be sure */ + bcopy(note, &queue[qtail * EV_SZ], EV_SZ); - return 1; + qtail = (qtail + 1) % SEQ_MAX_QUEUE; + qlen++; + + return 1; } static int -extended_event (unsigned char *q) +extended_event(u_char *q) { - int dev = q[2]; + int dev = q[2]; - if (dev < 0 || dev >= max_synthdev) - return RET_ERROR (ENXIO); + if (dev < 0 || dev >= max_synthdev) + return -(ENXIO); - if (!(synth_open_mask & (1 << dev))) - return RET_ERROR (ENXIO); + if (!(synth_open_mask & (1 << dev))) + return -(ENXIO); - switch (q[1]) - { + switch (q[1]) { case SEQ_NOTEOFF: - synth_devs[dev]->kill_note (dev, q[3], q[4], q[5]); - break; + synth_devs[dev]->kill_note(dev, q[3], q[4], q[5]); + break; case SEQ_NOTEON: - if (q[4] > 127 && q[4] != 255) - return 0; + if (q[4] > 127 && q[4] != 255) + return 0; - synth_devs[dev]->start_note (dev, q[3], q[4], q[5]); - break; + synth_devs[dev]->start_note(dev, q[3], q[4], q[5]); + break; case SEQ_PGMCHANGE: - synth_devs[dev]->set_instr (dev, q[3], q[4]); - break; + synth_devs[dev]->set_instr(dev, q[3], q[4]); + break; case SEQ_AFTERTOUCH: - synth_devs[dev]->aftertouch (dev, q[3], q[4]); - break; + synth_devs[dev]->aftertouch(dev, q[3], q[4]); + break; case SEQ_BALANCE: - synth_devs[dev]->panning (dev, q[3], (char) q[4]); - break; + synth_devs[dev]->panning(dev, q[3], (char) q[4]); + break; case SEQ_CONTROLLER: - synth_devs[dev]->controller (dev, q[3], q[4], *(short *) &q[5]); - break; + synth_devs[dev]->controller(dev, q[3], q[4], *(short *) &q[5]); + break; case SEQ_VOLMODE: - if (synth_devs[dev]->volume_method != NULL) - synth_devs[dev]->volume_method (dev, q[3]); - break; + if (synth_devs[dev]->volume_method != NULL) + synth_devs[dev]->volume_method(dev, q[3]); + break; default: - return RET_ERROR (EINVAL); + return -(EINVAL); } - return 0; + return 0; } static int -find_voice (int dev, int chn, int note) +find_voice(int dev, int chn, int note) { - unsigned short key; - int i; + u_short key; + int i; - key = (chn << 8) | (note + 1); + key = (chn << 8) | (note + 1); - for (i = 0; i < synth_devs[dev]->alloc.max_voice; i++) - if (synth_devs[dev]->alloc.map[i] == key) - return i; + for (i = 0; i < synth_devs[dev]->alloc.max_voice; i++) + if (synth_devs[dev]->alloc.map[i] == key) + return i; - return -1; + return -1; } static int -alloc_voice (int dev, int chn, int note) +alloc_voice(int dev, int chn, int note) { - unsigned short key; - int voice; + u_short key; + int voice; - key = (chn << 8) | (note + 1); + key = (chn << 8) | (note + 1); - voice = synth_devs[dev]->alloc_voice (dev, chn, note, - &synth_devs[dev]->alloc); - synth_devs[dev]->alloc.map[voice] = key; - return voice; + voice = synth_devs[dev]->alloc_voice(dev, chn, note, + &synth_devs[dev]->alloc); + synth_devs[dev]->alloc.map[voice] = key; + synth_devs[dev]->alloc.alloc_times[voice] = + synth_devs[dev]->alloc.timestamp++; + return voice; } static void -seq_chn_voice_event (unsigned char *event) +seq_chn_voice_event(u_char *event) { - unsigned char dev = event[1]; - unsigned char cmd = event[2]; - unsigned char chn = event[3]; - unsigned char note = event[4]; - unsigned char parm = event[5]; - int voice = -1; - - if ((int) dev > max_synthdev) - return; - if (!(synth_open_mask & (1 << dev))) - return; - if (!synth_devs[dev]) - return; - - if (seq_mode == SEQ_2) - if (synth_devs[dev]->alloc_voice) - voice = find_voice (dev, chn, note); - - if (cmd == MIDI_NOTEON && parm == 0) - { - cmd = MIDI_NOTEOFF; - parm = 64; - } + u_char dev = event[1]; + u_char cmd = event[2]; + u_char chn = event[3]; + u_char note = event[4]; + u_char parm = event[5]; + int voice = -1; + + if ((int) dev > max_synthdev) + return; + if (!(synth_open_mask & (1 << dev))) + return; + if (!synth_devs[dev]) + return; - switch (cmd) - { + if (seq_mode == SEQ_2) { + if (synth_devs[dev]->alloc_voice) + voice = find_voice(dev, chn, note); + + if (cmd == MIDI_NOTEON && parm == 0) { + cmd = MIDI_NOTEOFF; + parm = 64; + } + } + switch (cmd) { case MIDI_NOTEON: - if (note > 127) - return; + if (note > 127 && note != 255) /* Not a seq2 feature */ + return; - if (voice == -1 && seq_mode == SEQ_2 && synth_devs[dev]->alloc_voice) - { - voice = alloc_voice (dev, chn, note); + if (voice == -1 && seq_mode == SEQ_2 && synth_devs[dev]->alloc_voice) { + /* Internal synthesizer (FM, GUS, etc) */ + voice = alloc_voice(dev, chn, note); } + if (voice == -1) + voice = chn; + + if (seq_mode == SEQ_2 && (int) dev < num_synths) { + /* + * The MIDI channel 10 is a percussive channel. Use + * the note number to select the proper patch (128 to + * 255) to play. + */ - if (voice == -1) - voice = chn; + if (chn == 9) { + synth_devs[dev]->set_instr(dev, voice, 128 + note); + note = 60; /* Middle C */ - if (seq_mode == SEQ_2) - { - synth_devs[dev]->set_instr (dev, voice, - synth_devs[dev]->chn_info[chn].pgm_num); + } } - - synth_devs[dev]->start_note (dev, voice, note, parm); - break; + if (seq_mode == SEQ_2) + synth_devs[dev]->setup_voice(dev, voice, chn); + synth_devs[dev]->start_note(dev, voice, note, parm); + break; case MIDI_NOTEOFF: - if (voice == -1) - voice = chn; - synth_devs[dev]->kill_note (dev, voice, note, parm); - break; + if (voice == -1) + voice = chn; + synth_devs[dev]->kill_note(dev, voice, note, parm); + break; case MIDI_KEY_PRESSURE: - /* To be implemented */ - break; + if (voice == -1) + voice = chn; + synth_devs[dev]->aftertouch(dev, voice, parm); + break; default:; } } static void -seq_chn_common_event (unsigned char *event) +seq_chn_common_event(u_char *event) { - unsigned char dev = event[1]; - unsigned char cmd = event[2]; - unsigned char chn = event[3]; - unsigned char p1 = event[4]; - - /* unsigned char p2 = event[5]; */ - unsigned short w14 = *(short *) &event[6]; - - if ((int) dev > max_synthdev) - return; - if (!(synth_open_mask & (1 << dev))) - return; - if (!synth_devs[dev]) - return; - - switch (cmd) - { + u_char dev = event[1]; + u_char cmd = event[2]; + u_char chn = event[3]; + u_char p1 = event[4]; + + /* u_char p2 = event[5]; */ + u_short w14 = *(short *) &event[6]; + + if ((int) dev > max_synthdev) + return; + if (!(synth_open_mask & (1 << dev))) + return; + if (!synth_devs[dev]) + return; + + switch (cmd) { case MIDI_PGM_CHANGE: - if (seq_mode == SEQ_2) - { - synth_devs[dev]->chn_info[chn].pgm_num = p1; - } - else - synth_devs[dev]->set_instr (dev, chn, p1); - break; + if (seq_mode == SEQ_2) { + synth_devs[dev]->chn_info[chn].pgm_num = p1; + if ((int) dev >= num_synths) + synth_devs[dev]->set_instr(dev, chn, p1); + } else + synth_devs[dev]->set_instr(dev, chn, p1); + + break; case MIDI_CTL_CHANGE: - if (p1 == CTRL_MAIN_VOLUME) - { - w14 = (unsigned short) (((int) w14 * 16383) / 100); - p1 = CTL_MAIN_VOLUME; - } - if (p1 == CTRL_EXPRESSION) - { - w14 *= 128; - p1 = CTL_EXPRESSION; - } + if (seq_mode == SEQ_2) { + if (chn > 15 || p1 > 127) + break; - if (seq_mode == SEQ_2) - { - if (chn > 15 || p1 > 127) - break; - - synth_devs[dev]->chn_info[chn].controllers[p1] = w14 & 0xff; - - if (dev < num_synths) - { - int val = w14 & 0xff; - - if (p1 < 64) /* Combine MSB and LSB */ - { - val = ((synth_devs[dev]-> - chn_info[chn].controllers[p1 & ~32] & 0x7f) << 7) - | (synth_devs[dev]-> - chn_info[chn].controllers[p1 | 32] & 0x7f); - p1 &= ~32; + synth_devs[dev]->chn_info[chn].controllers[p1] = w14 & 0x7f; + + if (p1 < 32) /* Setting MSB should clear LSB to 0 */ + synth_devs[dev]->chn_info[chn].controllers[p1 + 32] = 0; + + if ((int) dev < num_synths) { + int val = w14 & 0x7f; + int i, key; + + if (p1 < 64) { /* Combine MSB and LSB */ + val = ((synth_devs[dev]-> + chn_info[chn].controllers[p1 & ~32] & 0x7f) << 7) + | (synth_devs[dev]-> + chn_info[chn].controllers[p1 | 32] & 0x7f); + p1 &= ~32; } - else - val = synth_devs[dev]->chn_info[chn].controllers[p1]; + /* Handle all playing notes on this channel */ - synth_devs[dev]->controller (dev, chn, p1, val); - } - else - synth_devs[dev]->controller (dev, chn, p1, w14); - } - else - synth_devs[dev]->controller (dev, chn, p1, w14); - break; + key = ((int) chn << 8); + + for (i = 0; i < synth_devs[dev]->alloc.max_voice; i++) + if ((synth_devs[dev]->alloc.map[i] & 0xff00) == key) + synth_devs[dev]->controller(dev, i, p1, val); + } else + synth_devs[dev]->controller(dev, chn, p1, w14); + } else /* Mode 1 */ + synth_devs[dev]->controller(dev, chn, p1, w14); + break; case MIDI_PITCH_BEND: - synth_devs[dev]->bender (dev, chn, w14); - break; + if (seq_mode == SEQ_2) { + synth_devs[dev]->chn_info[chn].bender_value = w14; + + if ((int) dev < num_synths) { /* Handle all playing + * notes on this channel */ + int i, key; + + key = (chn << 8); + + for (i = 0; i < synth_devs[dev]->alloc.max_voice; i++) + if ((synth_devs[dev]->alloc.map[i] & 0xff00) == key) + synth_devs[dev]->bender(dev, i, w14); + } else + synth_devs[dev]->bender(dev, chn, w14); + } else /* MODE 1 */ + synth_devs[dev]->bender(dev, chn, w14); + break; default:; } } static int -seq_timing_event (unsigned char *event) +seq_timing_event(u_char *event) { - unsigned char cmd = event[1]; - unsigned int parm = *(int *) &event[4]; + u_char cmd = event[1]; + u_int parm = *(int *) &event[4]; - if (seq_mode == SEQ_2) - { - int ret; + if (seq_mode == SEQ_2) { + int ret; - if ((ret = tmr->event (tmr_no, event)) == TIMER_ARMED) - { - if ((SEQ_MAX_QUEUE - qlen) >= output_treshold) - { - unsigned long flags; - - DISABLE_INTR (flags); - if (SOMEONE_WAITING (seq_sleeper, seq_sleep_flag)) - { - WAKE_UP (seq_sleeper, seq_sleep_flag); + if ((ret = tmr->event(tmr_no, event)) == TIMER_ARMED) { + if ((SEQ_MAX_QUEUE - qlen) >= output_treshold) { + u_long flags; + + flags = splhigh(); + if ((seq_sleep_flag.mode & WK_SLEEP)) { + seq_sleep_flag.mode = WK_WAKEUP; + wakeup(seq_sleeper); } - RESTORE_INTR (flags); + splx(flags); } } - return ret; + return ret; } - - switch (cmd) - { + switch (cmd) { case TMR_WAIT_REL: - parm += prev_event_time; + parm += prev_event_time; - /* - * NOTE! No break here. Execution of TMR_WAIT_REL continues in the - * next case (TMR_WAIT_ABS) - */ + /* + * NOTE! No break here. Execution of TMR_WAIT_REL continues + * in the next case (TMR_WAIT_ABS) + */ case TMR_WAIT_ABS: - if (parm > 0) - { - long time; + if (parm > 0) { + long time; - seq_playing = 1; - time = parm; - prev_event_time = time; + seq_playing = 1; + time = parm; + prev_event_time = time; - request_sound_timer (time); + request_sound_timer(time); - if ((SEQ_MAX_QUEUE - qlen) >= output_treshold) - { - unsigned long flags; + if ((SEQ_MAX_QUEUE - qlen) >= output_treshold) { + u_long flags; - DISABLE_INTR (flags); - if (SOMEONE_WAITING (seq_sleeper, seq_sleep_flag)) - { - WAKE_UP (seq_sleeper, seq_sleep_flag); + flags = splhigh(); + if ((seq_sleep_flag.mode & WK_SLEEP)) { + seq_sleep_flag.mode = WK_WAKEUP; + wakeup(seq_sleeper); } - RESTORE_INTR (flags); + splx(flags); } - - return TIMER_ARMED; + return TIMER_ARMED; } - break; + break; case TMR_START: - seq_time = GET_TIME (); - prev_input_time = 0; - prev_event_time = 0; - break; + seq_time = get_time(); + prev_input_time = 0; + prev_event_time = 0; + break; case TMR_STOP: - break; + break; case TMR_CONTINUE: - break; + break; case TMR_TEMPO: - break; + break; case TMR_ECHO: - if (seq_mode == SEQ_2) - seq_copy_to_input (event, 8); - else - { - parm = (parm << 8 | SEQ_ECHO); - seq_copy_to_input ((unsigned char *) &parm, 4); + if (seq_mode == SEQ_2) + seq_copy_to_input(event, 8); + else { + parm = (parm << 8 | SEQ_ECHO); + seq_copy_to_input((u_char *) &parm, 4); } - break; + break; default:; } - return TIMER_NOT_ARMED; + return TIMER_NOT_ARMED; } static void -seq_local_event (unsigned char *event) +seq_local_event(u_char *event) { - /* unsigned char cmd = event[1]; */ + u_char cmd = event[1]; + u_int parm = *((u_int *) &event[4]); + + switch (cmd) { + case LOCL_STARTAUDIO: +#ifdef CONFIG_AUDIO + DMAbuf_start_devices(parm); +#endif + break; - printk ("seq_local_event() called. WHY????????\n"); + default:; + } } static void -seq_startplay (void) +seq_sysex_message(u_char *event) { - int this_one; - unsigned long *delay; - unsigned char *q; - - while (qlen > 0) - { + int dev = event[1]; + int i, l = 0; + u_char *buf = &event[2]; - seq_playing = 1; + if ((int) dev > max_synthdev) + return; + if (!(synth_open_mask & (1 << dev))) + return; + if (!synth_devs[dev]) + return; + if (!synth_devs[dev]->send_sysex) + return; - qhead = ((this_one = qhead) + 1) % SEQ_MAX_QUEUE; - qlen--; + l = 0; + for (i = 0; i < 6 && buf[i] != 0xff; i++) + l = i + 1; - q = &queue[this_one * EV_SZ]; + if (l > 0) + synth_devs[dev]->send_sysex(dev, buf, l); +} - switch (q[0]) - { - case SEQ_NOTEOFF: - if (synth_open_mask & (1 << 0)) +static int +play_event(u_char *q) +{ + /* + * NOTE! This routine returns 0 = normal event played. 1 = Timer + * armed. Suspend playback until timer callback. 2 = MIDI output + * buffer full. Restore queue and suspend until timer + */ + u_long *delay; + + switch (q[0]) { + case SEQ_NOTEOFF: + if (synth_open_mask & (1 << 0)) if (synth_devs[0]) - synth_devs[0]->kill_note (0, q[1], 255, q[3]); - break; + synth_devs[0]->kill_note(0, q[1], 255, q[3]); + break; - case SEQ_NOTEON: - if (q[4] < 128 || q[4] == 255) + case SEQ_NOTEON: + if (q[4] < 128 || q[4] == 255) if (synth_open_mask & (1 << 0)) - if (synth_devs[0]) - synth_devs[0]->start_note (0, q[1], q[2], q[3]); - break; - - case SEQ_WAIT: - delay = (unsigned long *) q; /* - * Bytes 1 to 3 are containing the * - * delay in GET_TIME() - */ - *delay = (*delay >> 8) & 0xffffff; - - if (*delay > 0) - { - long time; - - seq_playing = 1; - time = *delay; - prev_event_time = time; - - request_sound_timer (time); - - if ((SEQ_MAX_QUEUE - qlen) >= output_treshold) - { - unsigned long flags; - - DISABLE_INTR (flags); - if (SOMEONE_WAITING (seq_sleeper, seq_sleep_flag)) - { - WAKE_UP (seq_sleeper, seq_sleep_flag); - } - RESTORE_INTR (flags); + if (synth_devs[0]) + synth_devs[0]->start_note(0, q[1], q[2], q[3]); + break; + + case SEQ_WAIT: + delay = (u_long *) q; /* Bytes 1 to 3 are + * containing the * delay in + * get_time() */ + *delay = (*delay >> 8) & 0xffffff; + + if (*delay > 0) { + long time; + + seq_playing = 1; + time = *delay; + prev_event_time = time; + + request_sound_timer(time); + + if ((SEQ_MAX_QUEUE - qlen) >= output_treshold) { + u_long flags; + + flags = splhigh(); + if ((seq_sleep_flag.mode & WK_SLEEP)) { + seq_sleep_flag.mode = WK_WAKEUP; + wakeup(seq_sleeper); } - /* - * The timer is now active and will reinvoke this function - * after the timer expires. Return to the caller now. - */ - return; + splx(flags); } - break; + /* + * The timer is now active and will reinvoke this + * function after the timer expires. Return to the + * caller now. + */ + return 1; + } + break; - case SEQ_PGMCHANGE: - if (synth_open_mask & (1 << 0)) + case SEQ_PGMCHANGE: + if (synth_open_mask & (1 << 0)) if (synth_devs[0]) - synth_devs[0]->set_instr (0, q[1], q[2]); - break; - - case SEQ_SYNCTIMER: /* - * Reset timer - */ - seq_time = GET_TIME (); - prev_input_time = 0; - prev_event_time = 0; - break; - - case SEQ_MIDIPUTC: /* - * Put a midi character - */ - if (midi_opened[q[2]]) - { - int dev; - - dev = q[2]; - - if (!midi_devs[dev]->putc (dev, q[1])) - { - /* - * Output FIFO is full. Wait one timer cycle and try again. - */ - - qlen++; - qhead = this_one; /* - * Restore queue - */ - seq_playing = 1; - request_sound_timer (-1); - return; - } - else + synth_devs[0]->set_instr(0, q[1], q[2]); + break; + + case SEQ_SYNCTIMER: /* Reset timer */ + seq_time = get_time(); + prev_input_time = 0; + prev_event_time = 0; + break; + + case SEQ_MIDIPUTC: /* Put a midi character */ + if (midi_opened[q[2]]) { + int dev; + + dev = q[2]; + + if (!midi_devs[dev]->putc(dev, q[1])) { + /* + * Output FIFO is full. Wait one timer cycle and try again. + */ + + seq_playing = 1; + request_sound_timer(-1); + return 2; + } else midi_written[dev] = 1; - } - break; - - case SEQ_ECHO: - seq_copy_to_input (q, 4); /* - * Echo back to the process - */ - break; - - case SEQ_PRIVATE: - if ((int) q[1] < max_synthdev) - synth_devs[q[1]]->hw_control (q[1], q); - break; - - case SEQ_EXTENDED: - extended_event (q); - break; - - case EV_CHN_VOICE: - seq_chn_voice_event (q); - break; - - case EV_CHN_COMMON: - seq_chn_common_event (q); - break; - - case EV_TIMING: - if (seq_timing_event (q) == TIMER_ARMED) - { - return; - } - break; + } + break; + + case SEQ_ECHO: + seq_copy_to_input(q, 4); /* Echo back to the process */ + break; + + case SEQ_PRIVATE: + if ((int) q[1] < max_synthdev) + synth_devs[q[1]]->hw_control(q[1], q); + break; + + case SEQ_EXTENDED: + extended_event(q); + break; + + case EV_CHN_VOICE: + seq_chn_voice_event(q); + break; - case EV_SEQ_LOCAL: - seq_local_event (q); - break; + case EV_CHN_COMMON: + seq_chn_common_event(q); + break; - default:; + case EV_TIMING: + if (seq_timing_event(q) == TIMER_ARMED) { + return 1; } + break; + case EV_SEQ_LOCAL: + seq_local_event(q); + break; + + case EV_SYSEX: + seq_sysex_message(q); + break; + + default:; } - seq_playing = 0; + return 0; +} - if ((SEQ_MAX_QUEUE - qlen) >= output_treshold) - { - unsigned long flags; +static void +seq_startplay(void) +{ + u_long flags; + int this_one, action; - DISABLE_INTR (flags); - if (SOMEONE_WAITING (seq_sleeper, seq_sleep_flag)) - { - WAKE_UP (seq_sleeper, seq_sleep_flag); + while (qlen > 0) { + + flags = splhigh(); + qhead = ((this_one = qhead) + 1) % SEQ_MAX_QUEUE; + qlen--; + splx(flags); + + seq_playing = 1; + + if ((action = play_event(&queue[this_one * EV_SZ]))) { + /* + * Suspend playback. Next timer routine invokes this routine again + */ + if (action == 2) { + qlen++; + qhead = this_one; + } + return; } - RESTORE_INTR (flags); } + seq_playing = 0; + + if ((SEQ_MAX_QUEUE - qlen) >= output_treshold) { + u_long flags; + + flags = splhigh(); + if ((seq_sleep_flag.mode & WK_SLEEP)) { + seq_sleep_flag.mode = WK_WAKEUP; + wakeup(seq_sleeper); + } + splx(flags); + } } static void -reset_controllers (int dev, unsigned char *controller, int update_dev) +reset_controllers(int dev, u_char *controller, int update_dev) { -#include "midi_ctrl.h" - int i; + int i; - for (i = 0; i < 128; i++) - controller[i] = ctrl_def_values[i]; + for (i = 0; i < 128; i++) + controller[i] = ctrl_def_values[i]; } static void -setup_mode2 (void) +setup_mode2(void) { - int dev; - - max_synthdev = num_synths; + int dev; - for (dev = 0; dev < num_midis; dev++) - if (midi_devs[dev]->converter != NULL) - { - synth_devs[max_synthdev++] = - midi_devs[dev]->converter; - } + max_synthdev = num_synths; - for (dev = 0; dev < max_synthdev; dev++) - { - int chn; + for (dev = 0; dev < num_midis; dev++) + if (midi_devs[dev]->converter != NULL) + synth_devs[max_synthdev++] = midi_devs[dev]->converter; + for (dev = 0; dev < max_synthdev; dev++) { + int chn; - for (chn = 0; chn < 16; chn++) - { - synth_devs[dev]->chn_info[chn].pgm_num = 0; - reset_controllers (dev, - synth_devs[dev]->chn_info[chn].controllers, - 0); + for (chn = 0; chn < 16; chn++) { + synth_devs[dev]->chn_info[chn].pgm_num = 0; + reset_controllers(dev, + synth_devs[dev]->chn_info[chn].controllers, 0); + synth_devs[dev]->chn_info[chn].bender_value = (1<<7); /* Neutral */ } } - max_mididev = 0; - seq_mode = SEQ_2; + max_mididev = 0; + seq_mode = SEQ_2; } int -sequencer_open (int dev, struct fileinfo *file) +sequencer_open(int dev, struct fileinfo * file) { - int retval, mode, i; - int level, tmp; + int retval, mode, i; + int level, tmp; + u_long flags; - level = ((dev & 0x0f) == SND_DEV_SEQ2) ? 2 : 1; + level = ((dev & 0x0f) == SND_DEV_SEQ2) ? 2 : 1; - dev = dev >> 4; - mode = file->mode & O_ACCMODE; + dev = dev >> 4; + mode = file->mode & O_ACCMODE; - DEB (printk ("sequencer_open(dev=%d)\n", dev)); + DEB(printf("sequencer_open(dev=%d)\n", dev)); - if (!sequencer_ok) - { - printk ("Soundcard: Sequencer not initialized\n"); - return RET_ERROR (ENXIO); + if (!sequencer_ok) { + printf("Soundcard: Sequencer not initialized\n"); + return -(ENXIO); } + if (dev) { /* Patch manager device */ + int err; - if (dev) /* - * Patch manager device - */ - { - int err; + printf("Patch manager interface is currently broken. Sorry\n"); + return -(ENXIO); - dev--; + dev--; - if (dev >= MAX_SYNTH_DEV) - return RET_ERROR (ENXIO); - if (pmgr_present[dev]) - return RET_ERROR (EBUSY); - if ((err = pmgr_open (dev)) < 0) - return err; /* - * Failed - */ + if (dev >= MAX_SYNTH_DEV) + return -(ENXIO); + if (pmgr_present[dev]) + return -(EBUSY); + if ((err = pmgr_open(dev)) < 0) + return err; - pmgr_present[dev] = 1; - return err; + pmgr_present[dev] = 1; + return err; } - - if (sequencer_busy) - { - printk ("Sequencer busy\n"); - return RET_ERROR (EBUSY); + flags = splhigh(); + if (sequencer_busy) { + printf("Sequencer busy\n"); + splx(flags); + return -(EBUSY); } + sequencer_busy = 1; + splx(flags); - max_mididev = num_midis; - max_synthdev = num_synths; - pre_event_timeout = 0; - seq_mode = SEQ_1; + max_mididev = num_midis; + max_synthdev = num_synths; + pre_event_timeout = 0; + seq_mode = SEQ_1; - if (pending_timer != -1) - { - tmr_no = pending_timer; - pending_timer = -1; + if (pending_timer != -1) { + tmr_no = pending_timer; + pending_timer = -1; } - - if (tmr_no == -1) /* Not selected yet */ - { - int i, best; - - best = -1; - for (i = 0; i < num_sound_timers; i++) - if (sound_timer_devs[i]->priority > best) - { - tmr_no = i; - best = sound_timer_devs[i]->priority; - } - - if (tmr_no == -1) /* Should not be */ - tmr_no = 0; + if (tmr_no == -1) { /* Not selected yet */ + int i, best; + + best = -1; + for (i = 0; i < num_sound_timers; i++) + if (sound_timer_devs[i]->priority > best) { + tmr_no = i; + best = sound_timer_devs[i]->priority; + } + if (tmr_no == -1) /* Should not be */ + tmr_no = 0; } + tmr = sound_timer_devs[tmr_no]; - tmr = sound_timer_devs[tmr_no]; - - if (level == 2) - { - printk ("Using timer #%d\n", tmr_no); - if (tmr == NULL) - { - printk ("sequencer: No timer for level 2\n"); - return RET_ERROR (ENXIO); + if (level == 2) { + if (tmr == NULL) { + printf("sequencer: No timer for level 2\n"); + sequencer_busy = 0; + return -(ENXIO); } - setup_mode2 (); + setup_mode2(); } + if (seq_mode == SEQ_1 && (mode == OPEN_READ || mode == OPEN_READWRITE)) + if (!max_mididev) { + printf("Sequencer: No Midi devices. Input not possible\n"); + sequencer_busy = 0; + return -(ENXIO); + } + if (!max_synthdev && !max_mididev) + return -(ENXIO); - if (seq_mode == SEQ_1 && (mode == OPEN_READ || mode == OPEN_READWRITE)) - if (!max_mididev) - { - printk ("Sequencer: No Midi devices. Input not possible\n"); - return RET_ERROR (ENXIO); - } + synth_open_mask = 0; - if (!max_synthdev && !max_mididev) - return RET_ERROR (ENXIO); + for (i = 0; i < max_mididev; i++) { + midi_opened[i] = 0; + midi_written[i] = 0; + } - synth_open_mask = 0; + /* + * if (mode == OPEN_WRITE || mode == OPEN_READWRITE) + */ + for (i = 0; i < max_synthdev; i++) /* Open synth devices */ + if ((tmp = synth_devs[i]->open(i, mode)) < 0) { + printf("Sequencer: Warning! Cannot open synth device #%d (%d)\n", + i, tmp); + if (synth_devs[i]->midi_dev) + printf("(Maps to MIDI dev #%d)\n", synth_devs[i]->midi_dev); + } else { + synth_open_mask |= (1 << i); + if (synth_devs[i]->midi_dev) /* Is a midi interface */ + midi_opened[synth_devs[i]->midi_dev] = 1; + } - for (i = 0; i < max_mididev; i++) - { - midi_opened[i] = 0; - midi_written[i] = 0; - } + seq_time = get_time(); + prev_input_time = 0; + prev_event_time = 0; - /* - * if (mode == OPEN_WRITE || mode == OPEN_READWRITE) - */ - for (i = 0; i < max_synthdev; i++) /* - * Open synth devices - */ - if ((tmp = synth_devs[i]->open (i, mode)) < 0) - { - printk ("Sequencer: Warning! Cannot open synth device #%d (%d)\n", i, tmp); - if (synth_devs[i]->midi_dev) - printk ("(Maps to midi dev #%d\n", synth_devs[i]->midi_dev); - } - else - { - synth_open_mask |= (1 << i); - if (synth_devs[i]->midi_dev) /* - * Is a midi interface - */ - midi_opened[synth_devs[i]->midi_dev] = 1; - } - - seq_time = GET_TIME (); - prev_input_time = 0; - prev_event_time = 0; - - if (seq_mode == SEQ_1 && (mode == OPEN_READ || mode == OPEN_READWRITE)) - { /* - * Initialize midi input devices - */ - for (i = 0; i < max_mididev; i++) - if (!midi_opened[i]) - { - if ((retval = midi_devs[i]->open (i, mode, + if (seq_mode == SEQ_1 && (mode == OPEN_READ || mode == OPEN_READWRITE)) { + /* Initialize midi input devices */ + for (i = 0; i < max_mididev; i++) + if (!midi_opened[i]) { + if ((retval = midi_devs[i]->open(i, mode, sequencer_midi_input, sequencer_midi_output)) >= 0) - midi_opened[i] = 1; - } + midi_opened[i] = 1; + } } - - if (seq_mode == SEQ_2) - { - tmr->open (tmr_no, seq_mode); + if (seq_mode == SEQ_2) { + tmr->open(tmr_no, seq_mode); } + seq_sleep_flag.aborting = 0; + seq_sleep_flag.mode = WK_NONE; + midi_sleep_flag.aborting = 0; + midi_sleep_flag.mode = WK_NONE; + output_treshold = SEQ_MAX_QUEUE / 2; - sequencer_busy = 1; - RESET_WAIT_QUEUE (seq_sleeper, seq_sleep_flag); - RESET_WAIT_QUEUE (midi_sleeper, midi_sleep_flag); - output_treshold = SEQ_MAX_QUEUE / 2; - - for (i = 0; i < num_synths; i++) - if (pmgr_present[i]) - pmgr_inform (i, PM_E_OPENED, 0, 0, 0, 0); + for (i = 0; i < num_synths; i++) + if (pmgr_present[i]) + pmgr_inform(i, PM_E_OPENED, 0, 0, 0, 0); - return 0; + return 0; } void -seq_drain_midi_queues (void) +seq_drain_midi_queues(void) { - int i, n; + int i, n; - /* - * Give the Midi drivers time to drain their output queues - */ + /* + * Give the Midi drivers time to drain their output queues + */ - n = 1; + n = 1; + + while (!(seq_sleep_flag.aborting) && n) { + n = 0; + + for (i = 0; i < max_mididev; i++) + if (midi_opened[i] && midi_written[i]) + if (midi_devs[i]->buffer_status != NULL) + if (midi_devs[i]->buffer_status(i)) + n++; + + /* + * Let's have a delay + */ + if (n) { + int chn; + + seq_sleeper = &chn; + DO_SLEEP(chn, seq_sleep_flag, hz / 10); - while (!PROCESS_ABORTING (midi_sleeper, midi_sleep_flag) && n) - { - n = 0; - - for (i = 0; i < max_mididev; i++) - if (midi_opened[i] && midi_written[i]) - if (midi_devs[i]->buffer_status != NULL) - if (midi_devs[i]->buffer_status (i)) - n++; - - /* - * Let's have a delay - */ - if (n) - { - DO_SLEEP (seq_sleeper, seq_sleep_flag, HZ / 10); } } } void -sequencer_release (int dev, struct fileinfo *file) +sequencer_release(int dev, struct fileinfo * file) { - int i; - int mode = file->mode & O_ACCMODE; + int i; + int mode = file->mode & O_ACCMODE; - dev = dev >> 4; + dev = dev >> 4; - DEB (printk ("sequencer_release(dev=%d)\n", dev)); + DEB(printf("sequencer_release(dev=%d)\n", dev)); - if (dev) /* - * Patch manager device - */ - { - dev--; - pmgr_release (dev); - pmgr_present[dev] = 0; - return; + if (dev) { /* Patch manager device */ + dev--; + pmgr_release(dev); + pmgr_present[dev] = 0; + return; } + /* + * Wait until the queue is empty (if we don't have nonblock) + */ - /* - * * Wait until the queue is empty - */ - - if (mode != OPEN_READ) - while (!PROCESS_ABORTING (seq_sleeper, seq_sleep_flag) && qlen) - { - seq_sync (); - } - - if (mode != OPEN_READ) - seq_drain_midi_queues (); /* - * Ensure the output queues are empty - */ - seq_reset (); - if (mode != OPEN_READ) - seq_drain_midi_queues (); /* - * Flush the all notes off messages - */ - - for (i = 0; i < max_synthdev; i++) - if (synth_open_mask & (1 << i)) /* - * Actually opened - */ - if (synth_devs[i]) - { - synth_devs[i]->close (i); - - if (synth_devs[i]->midi_dev) - midi_opened[synth_devs[i]->midi_dev] = 0; + if (mode != OPEN_READ && !0) + while (!(seq_sleep_flag.aborting) && qlen) { + seq_sync(); } - for (i = 0; i < num_synths; i++) - if (pmgr_present[i]) - pmgr_inform (i, PM_E_CLOSED, 0, 0, 0, 0); + if (mode != OPEN_READ) + seq_drain_midi_queues(); /* Ensure the output queues are empty */ + seq_reset(); + if (mode != OPEN_READ) + seq_drain_midi_queues(); /* Flush the all notes off messages */ + + for (i = 0; i < max_synthdev; i++) + if (synth_open_mask & (1 << i)) /* Actually opened */ + if (synth_devs[i]) { + synth_devs[i]->close(i); - for (i = 0; i < max_mididev; i++) - if (midi_opened[i]) - midi_devs[i]->close (i); + if (synth_devs[i]->midi_dev) + midi_opened[synth_devs[i]->midi_dev] = 0; + } + for (i = 0; i < num_synths; i++) + if (pmgr_present[i]) + pmgr_inform(i, PM_E_CLOSED, 0, 0, 0, 0); - if (seq_mode == SEQ_2) - tmr->close (tmr_no); + for (i = 0; i < max_mididev; i++) + if (midi_opened[i]) + midi_devs[i]->close(i); - sequencer_busy = 0; + if (seq_mode == SEQ_2) + tmr->close(tmr_no); + + sequencer_busy = 0; } static int -seq_sync (void) +seq_sync(void) { - if (qlen && !seq_playing && !PROCESS_ABORTING (seq_sleeper, seq_sleep_flag)) - seq_startplay (); + u_long flags; + + if (qlen && !seq_playing && !(seq_sleep_flag.aborting)) + seq_startplay(); + + flags = splhigh(); + if (qlen && !(seq_sleep_flag.mode & WK_SLEEP)) { + int chn; + + seq_sleeper = &chn; + DO_SLEEP(chn, seq_sleep_flag, 0); - if (qlen && !SOMEONE_WAITING (seq_sleeper, seq_sleep_flag)) /* - * Queue not - * empty - */ - { - DO_SLEEP (seq_sleeper, seq_sleep_flag, 0); } + splx(flags); - return qlen; + return qlen; } static void -midi_outc (int dev, unsigned char data) +midi_outc(int dev, u_char data) { - /* - * NOTE! Calls sleep(). Don't call this from interrupt. - */ - - int n; - - /* - * This routine sends one byte to the Midi channel. - */ - /* - * If the output Fifo is full, it waits until there - */ - /* - * is space in the queue - */ - - n = 300; /* - * Timeout in jiffies - */ - - while (n && !midi_devs[dev]->putc (dev, data)) - { - DO_SLEEP (seq_sleeper, seq_sleep_flag, 4); - n--; + /* + * NOTE! Calls sleep(). Don't call this from interrupt. + */ + + int n; + u_long flags; + + /* + * This routine sends one byte to the Midi channel. If the output + * Fifo is full, it waits until there is space in the queue + */ + + n = 3 * hz; /* Timeout */ + + flags = splhigh(); + while (n && !midi_devs[dev]->putc(dev, data)) { + int chn; + seq_sleeper = &chn; + DO_SLEEP(chn, seq_sleep_flag, 4); + + n--; } + splx(flags); } static void -seq_reset (void) +seq_reset(void) { - /* - * NOTE! Calls sleep(). Don't call this from interrupt. - */ + /* + * NOTE! Calls sleep(). Don't call this from interrupt. + */ - int i; + int i; + int chn; + u_long flags; - int chn; + sound_stop_timer(); + seq_time = get_time(); + prev_input_time = 0; + prev_event_time = 0; - sound_stop_timer (); - seq_time = GET_TIME (); - prev_input_time = 0; - prev_event_time = 0; + qlen = qhead = qtail = 0; + iqlen = iqhead = iqtail = 0; + + for (i = 0; i < max_synthdev; i++) + if (synth_open_mask & (1 << i)) + if (synth_devs[i]) + synth_devs[i]->reset(i); + + if (seq_mode == SEQ_2) { + for (chn = 0; chn < 16; chn++) + for (i = 0; i < max_synthdev; i++) + if ( (synth_open_mask & (1 << i)) && (synth_devs[i]) ) { + synth_devs[i]->controller(i, chn,123,0);/* All notes off */ + synth_devs[i]->controller(i, chn,121,0);/* Reset all ctl */ + synth_devs[i]->bender(i, chn, 1 << 13); /* Bender off */ + } - qlen = qhead = qtail = 0; - iqlen = iqhead = iqtail = 0; + } else { /* seq_mode == SEQ_1 */ + for (i = 0; i < max_mididev; i++) + if (midi_written[i]) { + /* Midi used. Some notes may still be playing */ + /* + * Sending just a ACTIVE SENSING message + * should be enough to stop all playing + * notes. Since there are devices not + * recognizing the active sensing, we have to + * send some all notes off messages also. + */ + midi_outc(i, 0xfe); + + for (chn = 0; chn < 16; chn++) { + midi_outc(i, (u_char) (0xb0 + (chn & 0x0f))); /* control change */ + midi_outc(i, 0x7b); /* All notes off */ + midi_outc(i, 0); /* Dummy parameter */ + } - for (i = 0; i < max_synthdev; i++) - if (synth_open_mask & (1 << i)) - if (synth_devs[i]) - synth_devs[i]->reset (i); + midi_devs[i]->close(i); - if (seq_mode == SEQ_2) - { - for (i = 0; i < max_synthdev; i++) - if (synth_open_mask & (1 << i)) - if (synth_devs[i]) - for (chn = 0; chn < 16; chn++) - synth_devs[i]->controller (i, chn, 0xfe, 0); /* All notes off */ - } - else - { - for (i = 0; i < max_mididev; i++) - if (midi_written[i]) /* - * Midi used. Some notes may still be playing - */ - { - /* - * Sending just a ACTIVE SENSING message should be enough to stop all - * playing notes. Since there are devices not recognizing the - * active sensing, we have to send some all notes off messages also. - */ - midi_outc (i, 0xfe); - - for (chn = 0; chn < 16; chn++) - { - midi_outc (i, - (unsigned char) (0xb0 + (chn & 0xff))); /* - * Channel - * msg - */ - midi_outc (i, 0x7b); /* - * All notes off - */ - midi_outc (i, 0); /* - * Dummy parameter - */ - } - - midi_devs[i]->close (i); - - midi_written[i] = 0; - midi_opened[i] = 0; - } + midi_written[i] = 0; + midi_opened[i] = 0; + } } - seq_playing = 0; + seq_playing = 0; - if (SOMEONE_WAITING (seq_sleeper, seq_sleep_flag)) - printk ("Sequencer Warning: Unexpected sleeping process\n"); + flags = splhigh(); + if ((seq_sleep_flag.mode & WK_SLEEP)) { + seq_sleep_flag.mode = WK_WAKEUP; + wakeup(seq_sleeper); + } + splx(flags); } static void -seq_panic (void) +seq_panic(void) { - /* - * This routine is called by the application in case the user - * wants to reset the system to the default state. - */ - - seq_reset (); - - /* - * Since some of the devices don't recognize the active sensing and - * all notes off messages, we have to shut all notes manually. - * - * TO BE IMPLEMENTED LATER - */ - - /* - * Also return the controllers to their default states - */ + /* + * This routine is called by the application in case the user wants + * to reset the system to the default state. + */ + + seq_reset(); + + /* + * Since some of the devices don't recognize the active sensing and + * all notes off messages, we have to shut all notes manually. + * + * TO BE IMPLEMENTED LATER + */ + + /* + * Also return the controllers to their default states + */ } int -sequencer_ioctl (int dev, struct fileinfo *file, - unsigned int cmd, unsigned int arg) +sequencer_ioctl(int dev, struct fileinfo * file, + u_int cmd, ioctl_arg arg) { - int midi_dev, orig_dev; - int mode = file->mode & O_ACCMODE; + int midi_dev, orig_dev; + int mode = file->mode & O_ACCMODE; - orig_dev = dev = dev >> 4; + orig_dev = dev = dev >> 4; - switch (cmd) - { + switch (cmd) { case SNDCTL_TMR_TIMEBASE: case SNDCTL_TMR_TEMPO: case SNDCTL_TMR_START: @@ -1337,525 +1366,457 @@ sequencer_ioctl (int dev, struct fileinfo *file, case SNDCTL_TMR_CONTINUE: case SNDCTL_TMR_METRONOME: case SNDCTL_TMR_SOURCE: - if (dev) /* Patch manager */ - return RET_ERROR (EIO); + if (dev) /* Patch manager */ + return -(EIO); - if (seq_mode != SEQ_2) - return RET_ERROR (EINVAL); - return tmr->ioctl (tmr_no, cmd, arg); - break; + if (seq_mode != SEQ_2) + return -(EINVAL); + return tmr->ioctl(tmr_no, cmd, arg); + break; case SNDCTL_TMR_SELECT: - if (dev) /* Patch manager */ - return RET_ERROR (EIO); + if (dev) /* Patch manager */ + return -(EIO); - if (seq_mode != SEQ_2) - return RET_ERROR (EINVAL); - pending_timer = IOCTL_IN (arg); + if (seq_mode != SEQ_2) + return -(EINVAL); + pending_timer = (*(int *) arg); - if (pending_timer < 0 || pending_timer >= num_sound_timers) - { - pending_timer = -1; - return RET_ERROR (EINVAL); + if (pending_timer < 0 || pending_timer >= num_sound_timers) { + pending_timer = -1; + return -(EINVAL); } - - return IOCTL_OUT (arg, pending_timer); - break; + return *(int *) arg = pending_timer; + break; case SNDCTL_SEQ_PANIC: - seq_panic (); - break; + seq_panic(); + break; case SNDCTL_SEQ_SYNC: - if (dev) /* - * Patch manager - */ - return RET_ERROR (EIO); - - if (mode == OPEN_READ) - return 0; - while (qlen && !PROCESS_ABORTING (seq_sleeper, seq_sleep_flag)) - seq_sync (); - if (qlen) - return RET_ERROR (EINTR); - else - return 0; - break; + if (dev) /* Patch manager */ + return -(EIO); + + if (mode == OPEN_READ) + return 0; + while (qlen && !(seq_sleep_flag.aborting)) + seq_sync(); + if (qlen) + return -(EINTR); + else + return 0; + break; case SNDCTL_SEQ_RESET: - if (dev) /* - * Patch manager - */ - return RET_ERROR (EIO); + if (dev) /* Patch manager */ + return -(EIO); - seq_reset (); - return 0; - break; + seq_reset(); + return 0; + break; case SNDCTL_SEQ_TESTMIDI: - if (dev) /* - * Patch manager - */ - return RET_ERROR (EIO); + if (dev) /* Patch manager */ + return -(EIO); - midi_dev = IOCTL_IN (arg); - if (midi_dev >= max_mididev) - return RET_ERROR (ENXIO); + midi_dev = (*(int *) arg); + if (midi_dev >= max_mididev) + return -(ENXIO); - if (!midi_opened[midi_dev]) - { - int err, mode; + if (!midi_opened[midi_dev]) { + int err, mode; - mode = file->mode & O_ACCMODE; - if ((err = midi_devs[midi_dev]->open (midi_dev, mode, - sequencer_midi_input, - sequencer_midi_output)) < 0) - return err; + mode = file->mode & O_ACCMODE; + if ((err = midi_devs[midi_dev]->open(midi_dev, mode, + sequencer_midi_input, sequencer_midi_output)) < 0) + return err; } + midi_opened[midi_dev] = 1; - midi_opened[midi_dev] = 1; - - return 0; - break; + return 0; + break; case SNDCTL_SEQ_GETINCOUNT: - if (dev) /* - * Patch manager - */ - return RET_ERROR (EIO); + if (dev) /* Patch manager */ + return -(EIO); - if (mode == OPEN_WRITE) - return 0; - return IOCTL_OUT (arg, iqlen); - break; + if (mode == OPEN_WRITE) + return 0; + return *(int *) arg = iqlen; + break; case SNDCTL_SEQ_GETOUTCOUNT: - if (mode == OPEN_READ) - return 0; - return IOCTL_OUT (arg, SEQ_MAX_QUEUE - qlen); - break; + if (mode == OPEN_READ) + return 0; + return *(int *) arg = SEQ_MAX_QUEUE - qlen; + break; case SNDCTL_SEQ_CTRLRATE: - if (dev) /* Patch manager */ - return RET_ERROR (EIO); + if (dev) /* Patch manager */ + return -(EIO); - /* - * If *arg == 0, just return the current rate - */ - if (seq_mode == SEQ_2) - return tmr->ioctl (tmr_no, cmd, arg); + /* + * If *arg == 0, just return the current rate + */ + if (seq_mode == SEQ_2) + return tmr->ioctl(tmr_no, cmd, arg); - if (IOCTL_IN (arg) != 0) - return RET_ERROR (EINVAL); + if ((*(int *) arg) != 0) + return -(EINVAL); - return IOCTL_OUT (arg, HZ); - break; + return *(int *) arg = hz; + break; case SNDCTL_SEQ_RESETSAMPLES: - dev = IOCTL_IN (arg); - if (dev < 0 || dev >= num_synths) - return RET_ERROR (ENXIO); - - if (!(synth_open_mask & (1 << dev)) && !orig_dev) - return RET_ERROR (EBUSY); + { + int err; - if (!orig_dev && pmgr_present[dev]) - pmgr_inform (dev, PM_E_PATCH_RESET, 0, 0, 0, 0); + dev = (*(int *) arg); + if (dev < 0 || dev >= num_synths) + return -(ENXIO); + if (!(synth_open_mask & (1 << dev)) && !orig_dev) + return -(EBUSY); + if (!orig_dev && pmgr_present[dev]) + pmgr_inform(dev, PM_E_PATCH_RESET, 0, 0, 0, 0); - return synth_devs[dev]->ioctl (dev, cmd, arg); - break; + err = synth_devs[dev]->ioctl(dev, cmd, arg); + return err; + } + break; case SNDCTL_SEQ_NRSYNTHS: - return IOCTL_OUT (arg, max_synthdev); - break; + return *(int *) arg = max_synthdev; + break; case SNDCTL_SEQ_NRMIDIS: - return IOCTL_OUT (arg, max_mididev); - break; + return *(int *) arg = max_mididev; + break; case SNDCTL_SYNTH_MEMAVL: - { - int dev = IOCTL_IN (arg); + { + int dev = (*(int *) arg); - if (dev < 0 || dev >= num_synths) - return RET_ERROR (ENXIO); + if (dev < 0 || dev >= num_synths) + return -(ENXIO); - if (!(synth_open_mask & (1 << dev)) && !orig_dev) - return RET_ERROR (EBUSY); + if (!(synth_open_mask & (1 << dev)) && !orig_dev) + return -(EBUSY); - return IOCTL_OUT (arg, synth_devs[dev]->ioctl (dev, cmd, arg)); - } - break; + return *(int *) arg = synth_devs[dev]->ioctl(dev, cmd, arg); + } + break; case SNDCTL_FM_4OP_ENABLE: - { - int dev = IOCTL_IN (arg); + { + int dev = (*(int *) arg); - if (dev < 0 || dev >= num_synths) - return RET_ERROR (ENXIO); + if (dev < 0 || dev >= num_synths) + return -(ENXIO); - if (!(synth_open_mask & (1 << dev))) - return RET_ERROR (ENXIO); + if (!(synth_open_mask & (1 << dev))) + return -(ENXIO); - synth_devs[dev]->ioctl (dev, cmd, arg); - return 0; - } - break; + synth_devs[dev]->ioctl(dev, cmd, arg); + return 0; + } + break; case SNDCTL_SYNTH_INFO: - { - struct synth_info inf; - int dev; + { + struct synth_info inf; + int dev; + + bcopy(&(((char *) arg)[0]), (char *) &inf, sizeof(inf)); + dev = inf.device; + + if (dev < 0 || dev >= max_synthdev) + return -(ENXIO); + + if (!(synth_open_mask & (1 << dev)) && !orig_dev) + return -(EBUSY); - IOCTL_FROM_USER ((char *) &inf, (char *) arg, 0, sizeof (inf)); - dev = inf.device; + return synth_devs[dev]->ioctl(dev, cmd, arg); + } + break; + + case SNDCTL_SEQ_OUTOFBAND: + { + struct seq_event_rec event; + u_long flags; - if (dev < 0 || dev >= max_synthdev) - return RET_ERROR (ENXIO); + bcopy(&(((char *) arg)[0]), (char *) &event, sizeof(event)); - if (!(synth_open_mask & (1 << dev)) && !orig_dev) - return RET_ERROR (EBUSY); + flags = splhigh(); + play_event(event.arr); + splx(flags); - return synth_devs[dev]->ioctl (dev, cmd, arg); - } - break; + return 0; + } + break; case SNDCTL_MIDI_INFO: - { - struct midi_info inf; - int dev; + { + struct midi_info inf; + int dev; - IOCTL_FROM_USER ((char *) &inf, (char *) arg, 0, sizeof (inf)); - dev = inf.device; + bcopy(&(((char *) arg)[0]), (char *) &inf, sizeof(inf)); + dev = inf.device; - if (dev < 0 || dev >= max_mididev) - return RET_ERROR (ENXIO); + if (dev < 0 || dev >= max_mididev) + return -(ENXIO); - IOCTL_TO_USER ((char *) arg, 0, (char *) &(midi_devs[dev]->info), sizeof (inf)); - return 0; - } - break; + bcopy((char *) &(midi_devs[dev]->info), &(((char *) arg)[0]), sizeof(inf)); + return 0; + } + break; case SNDCTL_PMGR_IFACE: - { - struct patmgr_info *inf; - int dev, err; - - inf = (struct patmgr_info *) KERNEL_MALLOC (sizeof (*inf)); - - IOCTL_FROM_USER ((char *) inf, (char *) arg, 0, sizeof (*inf)); - dev = inf->device; - - if (dev < 0 || dev >= num_synths) - { - KERNEL_FREE (inf); - return RET_ERROR (ENXIO); - } - - if (!synth_devs[dev]->pmgr_interface) - { - KERNEL_FREE (inf); - return RET_ERROR (ENXIO); - } - - if ((err = synth_devs[dev]->pmgr_interface (dev, inf)) == -1) - { - KERNEL_FREE (inf); - return err; - } + { + struct patmgr_info *inf; + int dev, err; - IOCTL_TO_USER ((char *) arg, 0, (char *) inf, sizeof (*inf)); - KERNEL_FREE (inf); - return 0; - } - break; + if ((inf = (struct patmgr_info *) malloc(sizeof(*inf), M_TEMP, M_WAITOK)) == NULL) { + printf("patmgr: Can't allocate memory for a message\n"); + return -(EIO); + } + bcopy(&(((char *) arg)[0]), (char *) inf, sizeof(*inf)); + dev = inf->device; + + if (dev < 0 || dev >= num_synths) { + free(inf, M_TEMP); + return -(ENXIO); + } + if (!synth_devs[dev]->pmgr_interface) { + free(inf, M_TEMP); + return -(ENXIO); + } + if ((err = synth_devs[dev]->pmgr_interface(dev, inf)) == -1) { + free(inf, M_TEMP); + return err; + } + bcopy((char *) inf, &(((char *) arg)[0]), sizeof(*inf)); + free(inf, M_TEMP); + return 0; + } + break; case SNDCTL_PMGR_ACCESS: - { - struct patmgr_info *inf; - int dev, err; - - inf = (struct patmgr_info *) KERNEL_MALLOC (sizeof (*inf)); - - IOCTL_FROM_USER ((char *) inf, (char *) arg, 0, sizeof (*inf)); - dev = inf->device; - - if (dev < 0 || dev >= num_synths) - { - KERNEL_FREE (inf); - return RET_ERROR (ENXIO); - } - - if (!pmgr_present[dev]) - { - KERNEL_FREE (inf); - return RET_ERROR (ESRCH); - } - - if ((err = pmgr_access (dev, inf)) < 0) - { - KERNEL_FREE (inf); - return err; - } + { + struct patmgr_info *inf; + int dev, err; - IOCTL_TO_USER ((char *) arg, 0, (char *) inf, sizeof (*inf)); - KERNEL_FREE (inf); - return 0; - } - break; - - case SNDCTL_SEQ_TRESHOLD: - { - int tmp = IOCTL_IN (arg); - - if (dev) /* - * Patch manager - */ - return RET_ERROR (EIO); - - if (tmp < 1) - tmp = 1; - if (tmp >= SEQ_MAX_QUEUE) - tmp = SEQ_MAX_QUEUE - 1; - output_treshold = tmp; - return 0; - } - break; + if ((inf = (struct patmgr_info *) malloc(sizeof(*inf), M_TEMP, M_WAITOK)) == NULL) { + printf("patmgr: Can't allocate memory for a message\n"); + return -(EIO); + } + bcopy(&(((char *) arg)[0]), (char *) inf, sizeof(*inf)); + dev = inf->device; + + if (dev < 0 || dev >= num_synths) { + free(inf, M_TEMP); + return -(ENXIO); + } + if (!pmgr_present[dev]) { + free(inf, M_TEMP); + return -(ESRCH); + } + if ((err = pmgr_access(dev, inf)) < 0) { + free(inf, M_TEMP); + return err; + } + bcopy((char *) inf, &(((char *) arg)[0]), sizeof(*inf)); + free(inf, M_TEMP); + return 0; + } + break; + + case SNDCTL_SEQ_THRESHOLD: + { + int tmp = (*(int *) arg); + + if (dev)/* Patch manager */ + return -(EIO); + + if (tmp < 1) + tmp = 1; + if (tmp >= SEQ_MAX_QUEUE) + tmp = SEQ_MAX_QUEUE - 1; + output_treshold = tmp; + return 0; + } + break; case SNDCTL_MIDI_PRETIME: - { - int val = IOCTL_IN (arg); + { + int val = (*(int *) arg); - if (val < 0) - val = 0; + if (val < 0) + val = 0; - val = (HZ * val) / 10; - pre_event_timeout = val; - return IOCTL_OUT (arg, val); - } - break; + val = (hz * val) / 10; + pre_event_timeout = val; + return *(int *) arg = val; + } + break; default: - if (dev) /* - * Patch manager - */ - return RET_ERROR (EIO); - - if (mode == OPEN_READ) - return RET_ERROR (EIO); - - if (!synth_devs[0]) - return RET_ERROR (ENXIO); - if (!(synth_open_mask & (1 << 0))) - return RET_ERROR (ENXIO); - return synth_devs[0]->ioctl (0, cmd, arg); - break; + if (dev) /* Patch manager */ + return -(EIO); + + if (mode == OPEN_READ) + return -(EIO); + + if (!synth_devs[0]) + return -(ENXIO); + if (!(synth_open_mask & (1 << 0))) + return -(ENXIO); + return synth_devs[0]->ioctl(0, cmd, arg); + break; } - return RET_ERROR (EINVAL); + return -(EINVAL); } -#ifdef ALLOW_SELECT +#ifdef ALLOW_POLL int -sequencer_select (int dev, struct fileinfo *file, int sel_type, select_table * wait) +sequencer_poll (int dev, struct fileinfo *file, int events, select_table * wait) { unsigned long flags; + int revents = 0; dev = dev >> 4; + flags = splhigh(); - switch (sel_type) - { - case SEL_IN: - if (!iqlen) - { - DISABLE_INTR (flags); - midi_sleep_flag.mode = WK_SLEEP; - select_wait (&midi_sleeper, wait); - RESTORE_INTR (flags); - return 0; - } - return 1; - break; - case SEL_OUT: - if (qlen >= SEQ_MAX_QUEUE) - { - DISABLE_INTR (flags); - seq_sleep_flag.mode = WK_SLEEP; - select_wait (&seq_sleeper, wait); - RESTORE_INTR (flags); - return 0; - } - return 1; - break; + if (events & (POLLIN | POLLRDNORM)) + if (!iqlen) + selrecord(wait, &selinfo[dev]); + else { + revents |= events & (POLLIN | POLLRDNORM); + midi_sleep_flag.mode &= ~WK_SLEEP; + } - case SEL_EX: - return 0; + if (events & (POLLOUT | POLLWRNORM)) + if (qlen >= SEQ_MAX_QUEUE) + selrecord(wait, &selinfo[dev]); + else { + revents |= events & (POLLOUT | POLLWRNORM); + seq_sleep_flag.mode &= ~WK_SLEEP; } - return 0; + splx(flags); + + return (revents); } #endif + void -sequencer_timer (void) +sequencer_timer(void *dummy) { - seq_startplay (); + seq_startplay(); } int -note_to_freq (int note_num) +note_to_freq(int note_num) { - /* - * This routine converts a midi note to a frequency (multiplied by 1000) - */ + /* + * This routine converts a midi note to a frequency (multiplied by + * 1000) + */ - int note, octave, note_freq; - int notes[] = - { - 261632, 277189, 293671, 311132, 329632, 349232, - 369998, 391998, 415306, 440000, 466162, 493880 - }; + int note, octave, note_freq; + int notes[] = + { + 261632, 277189, 293671, 311132, 329632, 349232, + 369998, 391998, 415306, 440000, 466162, 493880 + }; #define BASE_OCTAVE 5 - octave = note_num / 12; - note = note_num % 12; + octave = note_num / 12; + note = note_num % 12; - note_freq = notes[note]; + note_freq = notes[note]; - if (octave < BASE_OCTAVE) - note_freq >>= (BASE_OCTAVE - octave); - else if (octave > BASE_OCTAVE) - note_freq <<= (octave - BASE_OCTAVE); + if (octave < BASE_OCTAVE) + note_freq >>= (BASE_OCTAVE - octave); + else if (octave > BASE_OCTAVE) + note_freq <<= (octave - BASE_OCTAVE); - /* - * note_freq >>= 1; - */ + /* + * note_freq >>= 1; + */ - return note_freq; + return note_freq; } -unsigned long -compute_finetune (unsigned long base_freq, int bend, int range) +u_long +compute_finetune(u_long base_freq, int bend, int range) { - unsigned long amount; - int negative, semitones, cents, multiplier = 1; + u_long amount; + int negative, semitones, cents, multiplier = 1; - if (!bend) - return base_freq; - if (!range) - return base_freq; + if (!bend) + return base_freq; + if (!range) + return base_freq; - if (!base_freq) - return base_freq; + if (!base_freq) + return base_freq; - if (range >= 8192) - range = 8191; + if (range >= 8192) + range = 8192; - bend = bend * range / 8192; - if (!bend) - return base_freq; + bend = bend * range / 8192; + if (!bend) + return base_freq; - negative = bend < 0 ? 1 : 0; + negative = bend < 0 ? 1 : 0; - if (bend < 0) - bend *= -1; - if (bend > range) - bend = range; + if (bend < 0) + bend *= -1; + if (bend > range) + bend = range; - /* - if (bend > 2399) - bend = 2399; - */ - while (bend > 2399) - { - multiplier *= 4; - bend -= 2400; + /* + * if (bend > 2399) bend = 2399; + */ + while (bend > 2399) { + multiplier *= 4; + bend -= 2400; } - semitones = bend / 100; - cents = bend % 100; + semitones = bend / 100; + cents = bend % 100; - amount = (int) (semitone_tuning[semitones] * multiplier * cent_tuning[cents]) - / 10000; + amount = (int) (semitone_tuning[semitones] * multiplier * cent_tuning[cents]) + / 10000; - if (negative) - return (base_freq * 10000) / amount; /* - * Bend down - */ - else - return (base_freq * amount) / 10000; /* - * Bend up - */ -} - - -long -sequencer_init (long mem_start) -{ - - sequencer_ok = 1; - PERMANENT_MALLOC (unsigned char *, queue, SEQ_MAX_QUEUE * EV_SZ, mem_start); - PERMANENT_MALLOC (unsigned char *, iqueue, SEQ_MAX_QUEUE * IEV_SZ, mem_start); - - return mem_start; -} - -#else -/* - * Stub version - */ -int -sequencer_read (int dev, struct fileinfo *file, snd_rw_buf * buf, int count) -{ - return RET_ERROR (EIO); + if (negative) + return (base_freq * 10000) / amount; /* Bend down */ + else + return (base_freq * amount) / 10000; /* Bend up */ } -int -sequencer_write (int dev, struct fileinfo *file, snd_rw_buf * buf, int count) -{ - return RET_ERROR (EIO); -} - -int -sequencer_open (int dev, struct fileinfo *file) -{ - return RET_ERROR (ENXIO); -} void -sequencer_release (int dev, struct fileinfo *file) +sequencer_init() { -} -int -sequencer_ioctl (int dev, struct fileinfo *file, - unsigned int cmd, unsigned int arg) -{ - return RET_ERROR (EIO); -} -int -sequencer_lseek (int dev, struct fileinfo *file, off_t offset, int orig) -{ - return RET_ERROR (EIO); -} + sequencer_ok = 1; -long -sequencer_init (long mem_start) -{ - return mem_start; -} + queue = (u_char *) malloc(SEQ_MAX_QUEUE * EV_SZ, M_DEVBUF, M_NOWAIT); + if (!queue) + panic("SOUND: Cannot allocate memory\n"); -int -sequencer_select (int dev, struct fileinfo *file, int sel_type, select_table * wait) -{ - return RET_ERROR (EIO); + iqueue = (u_char *) malloc(SEQ_MAX_QUEUE * IEV_SZ, M_DEVBUF, M_NOWAIT); + if (!iqueue) + panic("SOUND: Cannot allocate memory\n"); } #endif - #endif |