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-rw-r--r--sys/i386/isa/sound/sys_timer.c276
1 files changed, 0 insertions, 276 deletions
diff --git a/sys/i386/isa/sound/sys_timer.c b/sys/i386/isa/sound/sys_timer.c
deleted file mode 100644
index a605dfc..0000000
--- a/sys/i386/isa/sound/sys_timer.c
+++ /dev/null
@@ -1,276 +0,0 @@
-/*
- * sound/sys_timer.c
- *
- * The default timer for the Level 2 sequencer interface.
- * Uses the (100hz) timer of kernel.
- *
- * 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
- * notice, this list of conditions and the following disclaimer. 2.
- * 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
- * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
- * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * 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 <i386/isa/sound/sound_config.h>
-
-#if NSND > 0
-
-#if defined(CONFIG_SEQUENCER)
-
-static volatile int opened = 0, tmr_running = 0;
-static volatile time_t tmr_offs, tmr_ctr;
-static volatile u_long ticks_offs;
-static volatile int curr_tempo, curr_timebase;
-static volatile u_long curr_ticks;
-static volatile u_long next_event_time;
-static u_long prev_event_time;
-
-static void poll_def_tmr(void *dummy);
-
-static u_long
-tmr2ticks(int tmr_value)
-{
- /*
- * Convert system timer ticks (hz) to MIDI ticks (divide # of MIDI
- * ticks/minute by # of system ticks/minute).
- */
-
- return ((tmr_value * curr_tempo * curr_timebase) + (30 * hz)) / (60 * hz);
-}
-
-static void
-poll_def_tmr(void *dummy)
-{
-
- if (opened) {
-
- timeout( poll_def_tmr, 0, 1);;
-
- if (tmr_running) {
- tmr_ctr++;
- curr_ticks = ticks_offs + tmr2ticks(tmr_ctr);
-
- if (curr_ticks >= next_event_time) {
- next_event_time = 0xffffffff;
- sequencer_timer(0);
- }
- }
- }
-}
-
-static void
-tmr_reset(void)
-{
- u_long flags;
-
- flags = splhigh();
- tmr_offs = 0;
- ticks_offs = 0;
- tmr_ctr = 0;
- next_event_time = 0xffffffff;
- prev_event_time = 0;
- curr_ticks = 0;
- splx(flags);
-}
-
-static int
-def_tmr_open(int dev, int mode)
-{
- if (opened)
- return -(EBUSY);
-
- tmr_reset();
- curr_tempo = 60;
- curr_timebase = hz;
- opened = 1;
-
- timeout( poll_def_tmr, 0, 1);;
-
- return 0;
-}
-
-static void
-def_tmr_close(int dev)
-{
- opened = tmr_running = 0;
-}
-
-static int
-def_tmr_event(int dev, u_char *event)
-{
- u_char cmd = event[1];
- u_long parm = *(int *) &event[4];
-
- switch (cmd) {
- case TMR_WAIT_REL:
- parm += prev_event_time;
- case TMR_WAIT_ABS:
- if (parm > 0) {
- long time;
-
- if (parm <= curr_ticks) /* It's the time */
- return TIMER_NOT_ARMED;
-
- time = parm;
- next_event_time = prev_event_time = time;
-
- return TIMER_ARMED;
- }
- break;
-
- case TMR_START:
- tmr_reset();
- tmr_running = 1;
- break;
-
- case TMR_STOP:
- tmr_running = 0;
- break;
-
- case TMR_CONTINUE:
- tmr_running = 1;
- break;
-
- case TMR_TEMPO:
- if (parm) {
- RANGE (parm, 8, 360) ;
- tmr_offs = tmr_ctr;
- ticks_offs += tmr2ticks(tmr_ctr);
- tmr_ctr = 0;
- curr_tempo = parm;
- }
- break;
-
- case TMR_ECHO:
- seq_copy_to_input(event, 8);
- break;
-
- default:;
- }
-
- return TIMER_NOT_ARMED;
-}
-
-static u_long
-def_tmr_get_time(int dev)
-{
- if (!opened)
- return 0;
-
- return curr_ticks;
-}
-
-static int
-def_tmr_ioctl(int dev, u_int cmd, ioctl_arg arg)
-{
- switch (cmd) {
- case SNDCTL_TMR_SOURCE:
- return *(int *) arg = TMR_INTERNAL;
- break;
-
- case SNDCTL_TMR_START:
- tmr_reset();
- tmr_running = 1;
- return 0;
- break;
-
- case SNDCTL_TMR_STOP:
- tmr_running = 0;
- return 0;
- break;
-
- case SNDCTL_TMR_CONTINUE:
- tmr_running = 1;
- return 0;
- break;
-
- case SNDCTL_TMR_TIMEBASE:
- {
- int val = (*(int *) arg);
-
- if (val) {
- RANGE (val, 1, 1000) ;
- curr_timebase = val;
- }
- return *(int *) arg = curr_timebase;
- }
- break;
-
- case SNDCTL_TMR_TEMPO:
- {
- int val = (*(int *) arg);
-
- if (val) {
- RANGE (val, 8, 250) ;
- tmr_offs = tmr_ctr;
- ticks_offs += tmr2ticks(tmr_ctr);
- tmr_ctr = 0;
- curr_tempo = val;
- }
- return *(int *) arg = curr_tempo;
- }
- break;
-
- case SNDCTL_SEQ_CTRLRATE:
- if ((*(int *) arg) != 0) /* Can't change */
- return -(EINVAL);
-
- return *(int *) arg = ((curr_tempo * curr_timebase) + 30) / 60;
- break;
-
- case SNDCTL_TMR_METRONOME:
- /* NOP */
- break;
-
- default:;
- }
-
- return -(EINVAL);
-}
-
-static void
-def_tmr_arm(int dev, long time)
-{
- if (time < 0)
- time = curr_ticks + 1;
- else if (time <= curr_ticks) /* It's the time */
- return;
-
- next_event_time = prev_event_time = time;
-
- return;
-}
-
-struct sound_timer_operations default_sound_timer =
-{
- {"System clock", 0},
- 0, /* Priority */
- 0, /* Local device link */
- def_tmr_open,
- def_tmr_close,
- def_tmr_event,
- def_tmr_get_time,
- def_tmr_ioctl,
- def_tmr_arm
-};
-
-#endif
-#endif /* NSND > 0 */
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