Retire sys/pc98/pc98/spkr.c
This commit is contained in:
mdodd
parent
9c463e3581
commit
fd221086ef
@ -239,6 +239,7 @@ i386/isa/loran.c optional loran
|
||||
i386/isa/npx.c optional npx
|
||||
i386/isa/pmtimer.c optional pmtimer
|
||||
i386/isa/prof_machdep.c optional profiling-routine
|
||||
i386/isa/spkr.c optional speaker
|
||||
i386/isa/spigot.c count spigot
|
||||
i386/isa/stallion.c optional stl nowerror
|
||||
i386/isa/tw.c count tw
|
||||
@ -379,7 +380,6 @@ pc98/pc98/scterm-sck.c optional sc
|
||||
pc98/pc98/scvtbpc98.c optional sc
|
||||
pc98/pc98/sio.c optional sio
|
||||
pc98/pc98/sio_cbus.c optional sio isa
|
||||
pc98/pc98/spkr.c optional speaker
|
||||
pc98/pc98/syscons.c optional sc
|
||||
pc98/pc98/syscons_pc98.c optional sc
|
||||
pc98/pc98/wd.c count wdc
|
||||
|
||||
@ -61,6 +61,7 @@ static MALLOC_DEFINE(M_SPKR, "spkr", "Speaker buffer");
|
||||
* XXX PPI control values should be in a header and used in clock.c.
|
||||
*/
|
||||
#ifdef PC98
|
||||
#define SPKR_DESC "PC98 speaker"
|
||||
#define PPI_SPKR 0x08 /* turn these PPI bits on to pass sound */
|
||||
#define PIT_COUNT 0x3fdb /* PIT count address */
|
||||
|
||||
@ -73,6 +74,7 @@ static MALLOC_DEFINE(M_SPKR, "spkr", "Speaker buffer");
|
||||
outb(PIT_COUNT, (val >> 8)); \
|
||||
}
|
||||
#else
|
||||
#define SPKR_DESC "PC speaker"
|
||||
#define PPI_SPKR 0x03 /* turn these PPI bits on to pass sound */
|
||||
|
||||
#define SPEAKER_ON outb(IO_PPI, inb(IO_PPI) | PPI_SPKR)
|
||||
@ -602,7 +604,7 @@ spkrioctl(dev, cmd, cmdarg, flags, td)
|
||||
*/
|
||||
static struct isa_pnp_id speaker_ids[] = {
|
||||
#ifndef PC98
|
||||
{ 0x0008d041 /* PNP0800 */, "PC speaker" },
|
||||
{ 0x0008d041 /* PNP0800 */, SPKR_DESC },
|
||||
#endif
|
||||
{ 0 }
|
||||
};
|
||||
@ -628,7 +630,7 @@ speaker_probe(device_t dev)
|
||||
if (strncmp(device_get_name(dev), "speaker", 9))
|
||||
return (ENXIO);
|
||||
|
||||
device_set_desc(dev, "PC speaker");
|
||||
device_set_desc(dev, SPKR_DESC);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
@ -61,6 +61,7 @@ static MALLOC_DEFINE(M_SPKR, "spkr", "Speaker buffer");
|
||||
* XXX PPI control values should be in a header and used in clock.c.
|
||||
*/
|
||||
#ifdef PC98
|
||||
#define SPKR_DESC "PC98 speaker"
|
||||
#define PPI_SPKR 0x08 /* turn these PPI bits on to pass sound */
|
||||
#define PIT_COUNT 0x3fdb /* PIT count address */
|
||||
|
||||
@ -73,6 +74,7 @@ static MALLOC_DEFINE(M_SPKR, "spkr", "Speaker buffer");
|
||||
outb(PIT_COUNT, (val >> 8)); \
|
||||
}
|
||||
#else
|
||||
#define SPKR_DESC "PC speaker"
|
||||
#define PPI_SPKR 0x03 /* turn these PPI bits on to pass sound */
|
||||
|
||||
#define SPEAKER_ON outb(IO_PPI, inb(IO_PPI) | PPI_SPKR)
|
||||
@ -602,7 +604,7 @@ spkrioctl(dev, cmd, cmdarg, flags, td)
|
||||
*/
|
||||
static struct isa_pnp_id speaker_ids[] = {
|
||||
#ifndef PC98
|
||||
{ 0x0008d041 /* PNP0800 */, "PC speaker" },
|
||||
{ 0x0008d041 /* PNP0800 */, SPKR_DESC },
|
||||
#endif
|
||||
{ 0 }
|
||||
};
|
||||
@ -628,7 +630,7 @@ speaker_probe(device_t dev)
|
||||
if (strncmp(device_get_name(dev), "speaker", 9))
|
||||
return (ENXIO);
|
||||
|
||||
device_set_desc(dev, "PC speaker");
|
||||
device_set_desc(dev, SPKR_DESC);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
@ -1,683 +0,0 @@
|
||||
/*
|
||||
* spkr.c -- device driver for console speaker
|
||||
*
|
||||
* v1.4 by Eric S. Raymond (esr@snark.thyrsus.com) Aug 1993
|
||||
* modified for FreeBSD by Andrew A. Chernov <ache@astral.msk.su>
|
||||
*
|
||||
* $FreeBSD$
|
||||
*/
|
||||
|
||||
/*
|
||||
* modified for PC98 by Kakefuda
|
||||
*/
|
||||
|
||||
#include <sys/param.h>
|
||||
#include <sys/systm.h>
|
||||
#include <sys/bus.h>
|
||||
#include <sys/kernel.h>
|
||||
#include <sys/module.h>
|
||||
#include <sys/bio.h>
|
||||
#include <sys/uio.h>
|
||||
#include <sys/conf.h>
|
||||
#include <sys/ctype.h>
|
||||
#include <sys/malloc.h>
|
||||
#include <isa/isavar.h>
|
||||
#ifdef PC98
|
||||
#include <pc98/pc98/pc98.h>
|
||||
#else
|
||||
#include <i386/isa/isa.h>
|
||||
#endif
|
||||
#include <i386/isa/timerreg.h>
|
||||
#include <machine/clock.h>
|
||||
#include <machine/speaker.h>
|
||||
|
||||
static d_open_t spkropen;
|
||||
static d_close_t spkrclose;
|
||||
static d_write_t spkrwrite;
|
||||
static d_ioctl_t spkrioctl;
|
||||
|
||||
#define CDEV_MAJOR 26
|
||||
static struct cdevsw spkr_cdevsw = {
|
||||
.d_open = spkropen,
|
||||
.d_close = spkrclose,
|
||||
.d_write = spkrwrite,
|
||||
.d_ioctl = spkrioctl,
|
||||
.d_name = "spkr",
|
||||
.d_maj = CDEV_MAJOR,
|
||||
};
|
||||
|
||||
static MALLOC_DEFINE(M_SPKR, "spkr", "Speaker buffer");
|
||||
|
||||
/**************** MACHINE DEPENDENT PART STARTS HERE *************************
|
||||
*
|
||||
* This section defines a function tone() which causes a tone of given
|
||||
* frequency and duration from the ISA console speaker.
|
||||
* Another function endtone() is defined to force sound off, and there is
|
||||
* also a rest() entry point to do pauses.
|
||||
*
|
||||
* Audible sound is generated using the Programmable Interval Timer (PIT) and
|
||||
* Programmable Peripheral Interface (PPI) attached to the ISA speaker. The
|
||||
* PPI controls whether sound is passed through at all; the PIT's channel 2 is
|
||||
* used to generate clicks (a square wave) of whatever frequency is desired.
|
||||
*/
|
||||
|
||||
/*
|
||||
* PPI control values.
|
||||
* XXX should be in a header and used in clock.c.
|
||||
*/
|
||||
#ifdef PC98
|
||||
#define PPI_SPKR 0x08 /* turn these PPI bits on to pass sound */
|
||||
#define PIT_COUNT 0x3fdb /* PIT count address */
|
||||
#else
|
||||
#define PPI_SPKR 0x03 /* turn these PPI bits on to pass sound */
|
||||
#endif
|
||||
|
||||
#define SPKRPRI PSOCK
|
||||
static char endtone, endrest;
|
||||
|
||||
static void tone(unsigned int thz, unsigned int ticks);
|
||||
static void rest(int ticks);
|
||||
static void playinit(void);
|
||||
static void playtone(int pitch, int value, int sustain);
|
||||
static void playstring(char *cp, size_t slen);
|
||||
|
||||
/* emit tone of frequency thz for given number of ticks */
|
||||
static void
|
||||
tone(thz, ticks)
|
||||
unsigned int thz, ticks;
|
||||
{
|
||||
unsigned int divisor;
|
||||
int sps;
|
||||
|
||||
if (thz <= 0)
|
||||
return;
|
||||
|
||||
divisor = timer_freq / thz;
|
||||
|
||||
#ifdef DEBUG
|
||||
(void) printf("tone: thz=%d ticks=%d\n", thz, ticks);
|
||||
#endif /* DEBUG */
|
||||
|
||||
/* set timer to generate clicks at given frequency in Hertz */
|
||||
sps = splclock();
|
||||
|
||||
#ifdef PC98
|
||||
if (acquire_timer1(TIMER_SEL1 | TIMER_SQWAVE | TIMER_16BIT)) {
|
||||
#else
|
||||
if (acquire_timer2(TIMER_SEL2 | TIMER_SQWAVE | TIMER_16BIT)) {
|
||||
#endif
|
||||
/* enter list of waiting procs ??? */
|
||||
splx(sps);
|
||||
return;
|
||||
}
|
||||
splx(sps);
|
||||
disable_intr();
|
||||
#ifdef PC98
|
||||
outb(PIT_COUNT, (divisor & 0xff)); /* send lo byte */
|
||||
outb(PIT_COUNT, (divisor >> 8)); /* send hi byte */
|
||||
#else
|
||||
outb(TIMER_CNTR2, (divisor & 0xff)); /* send lo byte */
|
||||
outb(TIMER_CNTR2, (divisor >> 8)); /* send hi byte */
|
||||
#endif
|
||||
enable_intr();
|
||||
|
||||
/* turn the speaker on */
|
||||
#ifdef PC98
|
||||
outb(IO_PPI, inb(IO_PPI) & ~PPI_SPKR);
|
||||
#else
|
||||
outb(IO_PPI, inb(IO_PPI) | PPI_SPKR);
|
||||
#endif
|
||||
|
||||
/*
|
||||
* Set timeout to endtone function, then give up the timeslice.
|
||||
* This is so other processes can execute while the tone is being
|
||||
* emitted.
|
||||
*/
|
||||
if (ticks > 0)
|
||||
tsleep(&endtone, SPKRPRI | PCATCH, "spkrtn", ticks);
|
||||
#ifdef PC98
|
||||
outb(IO_PPI, inb(IO_PPI) | PPI_SPKR);
|
||||
sps = splclock();
|
||||
release_timer1();
|
||||
splx(sps);
|
||||
#else
|
||||
outb(IO_PPI, inb(IO_PPI) & ~PPI_SPKR);
|
||||
sps = splclock();
|
||||
release_timer2();
|
||||
splx(sps);
|
||||
#endif
|
||||
}
|
||||
|
||||
/* rest for given number of ticks */
|
||||
static void
|
||||
rest(ticks)
|
||||
int ticks;
|
||||
{
|
||||
/*
|
||||
* Set timeout to endrest function, then give up the timeslice.
|
||||
* This is so other processes can execute while the rest is being
|
||||
* waited out.
|
||||
*/
|
||||
#ifdef DEBUG
|
||||
(void) printf("rest: %d\n", ticks);
|
||||
#endif /* DEBUG */
|
||||
if (ticks > 0)
|
||||
tsleep(&endrest, SPKRPRI | PCATCH, "spkrrs", ticks);
|
||||
}
|
||||
|
||||
/**************** PLAY STRING INTERPRETER BEGINS HERE **********************
|
||||
*
|
||||
* Play string interpretation is modelled on IBM BASIC 2.0's PLAY statement;
|
||||
* M[LNS] are missing; the ~ synonym and the _ slur mark and the octave-
|
||||
* tracking facility are added.
|
||||
* Requires tone(), rest(), and endtone(). String play is not interruptible
|
||||
* except possibly at physical block boundaries.
|
||||
*/
|
||||
|
||||
typedef int bool;
|
||||
#define TRUE 1
|
||||
#define FALSE 0
|
||||
|
||||
#define dtoi(c) ((c) - '0')
|
||||
|
||||
static int octave; /* currently selected octave */
|
||||
static int whole; /* whole-note time at current tempo, in ticks */
|
||||
static int value; /* whole divisor for note time, quarter note = 1 */
|
||||
static int fill; /* controls spacing of notes */
|
||||
static bool octtrack; /* octave-tracking on? */
|
||||
static bool octprefix; /* override current octave-tracking state? */
|
||||
|
||||
/*
|
||||
* Magic number avoidance...
|
||||
*/
|
||||
#define SECS_PER_MIN 60 /* seconds per minute */
|
||||
#define WHOLE_NOTE 4 /* quarter notes per whole note */
|
||||
#define MIN_VALUE 64 /* the most we can divide a note by */
|
||||
#define DFLT_VALUE 4 /* default value (quarter-note) */
|
||||
#define FILLTIME 8 /* for articulation, break note in parts */
|
||||
#define STACCATO 6 /* 6/8 = 3/4 of note is filled */
|
||||
#define NORMAL 7 /* 7/8ths of note interval is filled */
|
||||
#define LEGATO 8 /* all of note interval is filled */
|
||||
#define DFLT_OCTAVE 4 /* default octave */
|
||||
#define MIN_TEMPO 32 /* minimum tempo */
|
||||
#define DFLT_TEMPO 120 /* default tempo */
|
||||
#define MAX_TEMPO 255 /* max tempo */
|
||||
#define NUM_MULT 3 /* numerator of dot multiplier */
|
||||
#define DENOM_MULT 2 /* denominator of dot multiplier */
|
||||
|
||||
/* letter to half-tone: A B C D E F G */
|
||||
static int notetab[8] = {9, 11, 0, 2, 4, 5, 7};
|
||||
|
||||
/*
|
||||
* This is the American Standard A440 Equal-Tempered scale with frequencies
|
||||
* rounded to nearest integer. Thank Goddess for the good ol' CRC Handbook...
|
||||
* our octave 0 is standard octave 2.
|
||||
*/
|
||||
#define OCTAVE_NOTES 12 /* semitones per octave */
|
||||
static int pitchtab[] =
|
||||
{
|
||||
/* C C# D D# E F F# G G# A A# B*/
|
||||
/* 0 */ 65, 69, 73, 78, 82, 87, 93, 98, 103, 110, 117, 123,
|
||||
/* 1 */ 131, 139, 147, 156, 165, 175, 185, 196, 208, 220, 233, 247,
|
||||
/* 2 */ 262, 277, 294, 311, 330, 349, 370, 392, 415, 440, 466, 494,
|
||||
/* 3 */ 523, 554, 587, 622, 659, 698, 740, 784, 831, 880, 932, 988,
|
||||
/* 4 */ 1047, 1109, 1175, 1245, 1319, 1397, 1480, 1568, 1661, 1760, 1865, 1975,
|
||||
/* 5 */ 2093, 2217, 2349, 2489, 2637, 2794, 2960, 3136, 3322, 3520, 3729, 3951,
|
||||
/* 6 */ 4186, 4435, 4698, 4978, 5274, 5588, 5920, 6272, 6644, 7040, 7459, 7902,
|
||||
};
|
||||
|
||||
static void
|
||||
playinit()
|
||||
{
|
||||
octave = DFLT_OCTAVE;
|
||||
whole = (hz * SECS_PER_MIN * WHOLE_NOTE) / DFLT_TEMPO;
|
||||
fill = NORMAL;
|
||||
value = DFLT_VALUE;
|
||||
octtrack = FALSE;
|
||||
octprefix = TRUE; /* act as though there was an initial O(n) */
|
||||
}
|
||||
|
||||
/* play tone of proper duration for current rhythm signature */
|
||||
static void
|
||||
playtone(pitch, value, sustain)
|
||||
int pitch, value, sustain;
|
||||
{
|
||||
register int sound, silence, snum = 1, sdenom = 1;
|
||||
|
||||
/* this weirdness avoids floating-point arithmetic */
|
||||
for (; sustain; sustain--)
|
||||
{
|
||||
/* See the BUGS section in the man page for discussion */
|
||||
snum *= NUM_MULT;
|
||||
sdenom *= DENOM_MULT;
|
||||
}
|
||||
|
||||
if (value == 0 || sdenom == 0)
|
||||
return;
|
||||
|
||||
if (pitch == -1)
|
||||
rest(whole * snum / (value * sdenom));
|
||||
else
|
||||
{
|
||||
sound = (whole * snum) / (value * sdenom)
|
||||
- (whole * (FILLTIME - fill)) / (value * FILLTIME);
|
||||
silence = whole * (FILLTIME-fill) * snum / (FILLTIME * value * sdenom);
|
||||
|
||||
#ifdef DEBUG
|
||||
(void) printf("playtone: pitch %d for %d ticks, rest for %d ticks\n",
|
||||
pitch, sound, silence);
|
||||
#endif /* DEBUG */
|
||||
|
||||
tone(pitchtab[pitch], sound);
|
||||
if (fill != LEGATO)
|
||||
rest(silence);
|
||||
}
|
||||
}
|
||||
|
||||
/* interpret and play an item from a notation string */
|
||||
static void
|
||||
playstring(cp, slen)
|
||||
char *cp;
|
||||
size_t slen;
|
||||
{
|
||||
int pitch, oldfill, lastpitch = OCTAVE_NOTES * DFLT_OCTAVE;
|
||||
|
||||
#define GETNUM(cp, v) for(v=0; isdigit(cp[1]) && slen > 0; ) \
|
||||
{v = v * 10 + (*++cp - '0'); slen--;}
|
||||
for (; slen--; cp++)
|
||||
{
|
||||
int sustain, timeval, tempo;
|
||||
register char c = toupper(*cp);
|
||||
|
||||
#ifdef DEBUG
|
||||
(void) printf("playstring: %c (%x)\n", c, c);
|
||||
#endif /* DEBUG */
|
||||
|
||||
switch (c)
|
||||
{
|
||||
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
|
||||
|
||||
/* compute pitch */
|
||||
pitch = notetab[c - 'A'] + octave * OCTAVE_NOTES;
|
||||
|
||||
/* this may be followed by an accidental sign */
|
||||
if (cp[1] == '#' || cp[1] == '+')
|
||||
{
|
||||
++pitch;
|
||||
++cp;
|
||||
slen--;
|
||||
}
|
||||
else if (cp[1] == '-')
|
||||
{
|
||||
--pitch;
|
||||
++cp;
|
||||
slen--;
|
||||
}
|
||||
|
||||
/*
|
||||
* If octave-tracking mode is on, and there has been no octave-
|
||||
* setting prefix, find the version of the current letter note
|
||||
* closest to the last regardless of octave.
|
||||
*/
|
||||
if (octtrack && !octprefix)
|
||||
{
|
||||
if (abs(pitch-lastpitch) > abs(pitch+OCTAVE_NOTES-lastpitch))
|
||||
{
|
||||
++octave;
|
||||
pitch += OCTAVE_NOTES;
|
||||
}
|
||||
|
||||
if (abs(pitch-lastpitch) > abs((pitch-OCTAVE_NOTES)-lastpitch))
|
||||
{
|
||||
--octave;
|
||||
pitch -= OCTAVE_NOTES;
|
||||
}
|
||||
}
|
||||
octprefix = FALSE;
|
||||
lastpitch = pitch;
|
||||
|
||||
/* ...which may in turn be followed by an override time value */
|
||||
GETNUM(cp, timeval);
|
||||
if (timeval <= 0 || timeval > MIN_VALUE)
|
||||
timeval = value;
|
||||
|
||||
/* ...and/or sustain dots */
|
||||
for (sustain = 0; cp[1] == '.'; cp++)
|
||||
{
|
||||
slen--;
|
||||
sustain++;
|
||||
}
|
||||
|
||||
/* ...and/or a slur mark */
|
||||
oldfill = fill;
|
||||
if (cp[1] == '_')
|
||||
{
|
||||
fill = LEGATO;
|
||||
++cp;
|
||||
slen--;
|
||||
}
|
||||
|
||||
/* time to emit the actual tone */
|
||||
playtone(pitch, timeval, sustain);
|
||||
|
||||
fill = oldfill;
|
||||
break;
|
||||
|
||||
case 'O':
|
||||
if (cp[1] == 'N' || cp[1] == 'n')
|
||||
{
|
||||
octprefix = octtrack = FALSE;
|
||||
++cp;
|
||||
slen--;
|
||||
}
|
||||
else if (cp[1] == 'L' || cp[1] == 'l')
|
||||
{
|
||||
octtrack = TRUE;
|
||||
++cp;
|
||||
slen--;
|
||||
}
|
||||
else
|
||||
{
|
||||
GETNUM(cp, octave);
|
||||
if (octave >= sizeof(pitchtab) / sizeof(pitchtab[0]) / OCTAVE_NOTES)
|
||||
octave = DFLT_OCTAVE;
|
||||
octprefix = TRUE;
|
||||
}
|
||||
break;
|
||||
|
||||
case '>':
|
||||
if (octave < sizeof(pitchtab) / sizeof(pitchtab[0]) / OCTAVE_NOTES - 1)
|
||||
octave++;
|
||||
octprefix = TRUE;
|
||||
break;
|
||||
|
||||
case '<':
|
||||
if (octave > 0)
|
||||
octave--;
|
||||
octprefix = TRUE;
|
||||
break;
|
||||
|
||||
case 'N':
|
||||
GETNUM(cp, pitch);
|
||||
for (sustain = 0; cp[1] == '.'; cp++)
|
||||
{
|
||||
slen--;
|
||||
sustain++;
|
||||
}
|
||||
oldfill = fill;
|
||||
if (cp[1] == '_')
|
||||
{
|
||||
fill = LEGATO;
|
||||
++cp;
|
||||
slen--;
|
||||
}
|
||||
playtone(pitch - 1, value, sustain);
|
||||
fill = oldfill;
|
||||
break;
|
||||
|
||||
case 'L':
|
||||
GETNUM(cp, value);
|
||||
if (value <= 0 || value > MIN_VALUE)
|
||||
value = DFLT_VALUE;
|
||||
break;
|
||||
|
||||
case 'P':
|
||||
case '~':
|
||||
/* this may be followed by an override time value */
|
||||
GETNUM(cp, timeval);
|
||||
if (timeval <= 0 || timeval > MIN_VALUE)
|
||||
timeval = value;
|
||||
for (sustain = 0; cp[1] == '.'; cp++)
|
||||
{
|
||||
slen--;
|
||||
sustain++;
|
||||
}
|
||||
playtone(-1, timeval, sustain);
|
||||
break;
|
||||
|
||||
case 'T':
|
||||
GETNUM(cp, tempo);
|
||||
if (tempo < MIN_TEMPO || tempo > MAX_TEMPO)
|
||||
tempo = DFLT_TEMPO;
|
||||
whole = (hz * SECS_PER_MIN * WHOLE_NOTE) / tempo;
|
||||
break;
|
||||
|
||||
case 'M':
|
||||
if (cp[1] == 'N' || cp[1] == 'n')
|
||||
{
|
||||
fill = NORMAL;
|
||||
++cp;
|
||||
slen--;
|
||||
}
|
||||
else if (cp[1] == 'L' || cp[1] == 'l')
|
||||
{
|
||||
fill = LEGATO;
|
||||
++cp;
|
||||
slen--;
|
||||
}
|
||||
else if (cp[1] == 'S' || cp[1] == 's')
|
||||
{
|
||||
fill = STACCATO;
|
||||
++cp;
|
||||
slen--;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/******************* UNIX DRIVER HOOKS BEGIN HERE **************************
|
||||
*
|
||||
* This section implements driver hooks to run playstring() and the tone(),
|
||||
* endtone(), and rest() functions defined above.
|
||||
*/
|
||||
|
||||
static int spkr_active = FALSE; /* exclusion flag */
|
||||
static char *spkr_inbuf; /* incoming buf */
|
||||
|
||||
static int
|
||||
spkropen(dev, flags, fmt, td)
|
||||
dev_t dev;
|
||||
int flags;
|
||||
int fmt;
|
||||
struct thread *td;
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void) printf("spkropen: entering with dev = %s\n", devtoname(dev));
|
||||
#endif /* DEBUG */
|
||||
|
||||
if (minor(dev) != 0)
|
||||
return(ENXIO);
|
||||
else if (spkr_active)
|
||||
return(EBUSY);
|
||||
else
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void) printf("spkropen: about to perform play initialization\n");
|
||||
#endif /* DEBUG */
|
||||
playinit();
|
||||
spkr_inbuf = malloc(DEV_BSIZE, M_SPKR, M_WAITOK);
|
||||
spkr_active = TRUE;
|
||||
return(0);
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
spkrwrite(dev, uio, ioflag)
|
||||
dev_t dev;
|
||||
struct uio *uio;
|
||||
int ioflag;
|
||||
{
|
||||
#ifdef DEBUG
|
||||
printf("spkrwrite: entering with dev = %s, count = %d\n",
|
||||
devtoname(dev), uio->uio_resid);
|
||||
#endif /* DEBUG */
|
||||
|
||||
if (minor(dev) != 0)
|
||||
return(ENXIO);
|
||||
else if (uio->uio_resid > (DEV_BSIZE - 1)) /* prevent system crashes */
|
||||
return(E2BIG);
|
||||
else
|
||||
{
|
||||
unsigned n;
|
||||
char *cp;
|
||||
int error;
|
||||
|
||||
n = uio->uio_resid;
|
||||
cp = spkr_inbuf;
|
||||
error = uiomove(cp, n, uio);
|
||||
if (!error) {
|
||||
cp[n] = '\0';
|
||||
playstring(cp, n);
|
||||
}
|
||||
return(error);
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
spkrclose(dev, flags, fmt, td)
|
||||
dev_t dev;
|
||||
int flags;
|
||||
int fmt;
|
||||
struct thread *td;
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void) printf("spkrclose: entering with dev = %s\n", devtoname(dev));
|
||||
#endif /* DEBUG */
|
||||
|
||||
if (minor(dev) != 0)
|
||||
return(ENXIO);
|
||||
else
|
||||
{
|
||||
wakeup(&endtone);
|
||||
wakeup(&endrest);
|
||||
free(spkr_inbuf, M_SPKR);
|
||||
spkr_active = FALSE;
|
||||
return(0);
|
||||
}
|
||||
}
|
||||
|
||||
static int
|
||||
spkrioctl(dev, cmd, cmdarg, flags, td)
|
||||
dev_t dev;
|
||||
unsigned long cmd;
|
||||
caddr_t cmdarg;
|
||||
int flags;
|
||||
struct thread *td;
|
||||
{
|
||||
#ifdef DEBUG
|
||||
(void) printf("spkrioctl: entering with dev = %s, cmd = %lx\n",
|
||||
devtoname(dev), cmd);
|
||||
#endif /* DEBUG */
|
||||
|
||||
if (minor(dev) != 0)
|
||||
return(ENXIO);
|
||||
else if (cmd == SPKRTONE)
|
||||
{
|
||||
tone_t *tp = (tone_t *)cmdarg;
|
||||
|
||||
if (tp->frequency == 0)
|
||||
rest(tp->duration);
|
||||
else
|
||||
tone(tp->frequency, tp->duration);
|
||||
return 0;
|
||||
}
|
||||
else if (cmd == SPKRTUNE)
|
||||
{
|
||||
tone_t *tp = (tone_t *)(*(caddr_t *)cmdarg);
|
||||
tone_t ttp;
|
||||
int error;
|
||||
|
||||
for (; ; tp++) {
|
||||
error = copyin(tp, &ttp, sizeof(tone_t));
|
||||
if (error)
|
||||
return(error);
|
||||
if (ttp.duration == 0)
|
||||
break;
|
||||
if (ttp.frequency == 0)
|
||||
rest(ttp.duration);
|
||||
else
|
||||
tone(ttp.frequency, ttp.duration);
|
||||
}
|
||||
return(0);
|
||||
}
|
||||
return(EINVAL);
|
||||
}
|
||||
|
||||
/*
|
||||
* Install placeholder to claim the resources owned by the
|
||||
* AT tone generator.
|
||||
*/
|
||||
static struct isa_pnp_id pcspeaker_ids[] = {
|
||||
{ 0 }
|
||||
};
|
||||
|
||||
static dev_t pcspeaker_dev;
|
||||
|
||||
static int
|
||||
pcspeaker_probe(device_t dev)
|
||||
{
|
||||
int error;
|
||||
|
||||
error = ISA_PNP_PROBE(device_get_parent(dev), dev, pcspeaker_ids);
|
||||
|
||||
/* PnP match */
|
||||
if (error == 0)
|
||||
return (0);
|
||||
|
||||
/* No match */
|
||||
if (error == ENXIO)
|
||||
return (ENXIO);
|
||||
|
||||
/* Not configured by hints. */
|
||||
if (strncmp(device_get_name(dev), "pcspeaker", 9))
|
||||
return (ENXIO);
|
||||
|
||||
device_set_desc(dev, "PC98 speaker");
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
pcspeaker_attach(device_t dev)
|
||||
{
|
||||
|
||||
if (pcspeaker_dev) {
|
||||
device_printf(dev, "Already attached!\n");
|
||||
return (ENXIO);
|
||||
}
|
||||
|
||||
pcspeaker_dev = make_dev(&spkr_cdevsw, 0, UID_ROOT, GID_WHEEL, 0600,
|
||||
"speaker");
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
pcspeaker_detach(device_t dev)
|
||||
{
|
||||
destroy_dev(pcspeaker_dev);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static device_method_t pcspeaker_methods[] = {
|
||||
/* Device interface */
|
||||
DEVMETHOD(device_probe, pcspeaker_probe),
|
||||
DEVMETHOD(device_attach, pcspeaker_attach),
|
||||
DEVMETHOD(device_detach, pcspeaker_detach),
|
||||
DEVMETHOD(device_shutdown, bus_generic_shutdown),
|
||||
DEVMETHOD(device_suspend, bus_generic_suspend),
|
||||
DEVMETHOD(device_resume, bus_generic_resume),
|
||||
{ 0, 0 }
|
||||
};
|
||||
|
||||
static driver_t pcspeaker_driver = {
|
||||
"pcspeaker",
|
||||
pcspeaker_methods,
|
||||
1, /* no softc */
|
||||
};
|
||||
|
||||
static devclass_t pcspeaker_devclass;
|
||||
|
||||
DRIVER_MODULE(pcspeaker, isa, pcspeaker_driver, pcspeaker_devclass, 0, 0);
|
||||
|
||||
/* spkr.c ends here */
|
||||
Loading…
x
Reference in New Issue
Block a user