/* $OpenBSD: ce4231.c,v 1.21 2005/09/08 15:25:54 martin Exp $ */
/*
* Copyright (c) 1999 Jason L. Wright (jason@thought.net)
* All rights reserved.
*
* 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 ``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 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.
*/
/*
* Driver for CS4231 based audio found in some sun4u systems (cs4231)
* based on ideas from the S/Linux project and the NetBSD project.
*
* Effort sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F30602-01-2-0537.
*
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/errno.h>
#include <sys/ioctl.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/malloc.h>
#include <machine/cpu.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <machine/autoconf.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/auconv.h>
#include <sparc64/dev/ebusreg.h>
#include <sparc64/dev/ebusvar.h>
#include <sparc64/dev/ce4231var.h>
#include <dev/ic/ad1848reg.h>
#include <dev/ic/cs4231reg.h>
#define CSAUDIO_DAC_LVL 0
#define CSAUDIO_LINE_IN_LVL 1
#define CSAUDIO_MIC_LVL 2
#define CSAUDIO_CD_LVL 3
#define CSAUDIO_MONITOR_LVL 4
#define CSAUDIO_OUTPUT_LVL 5
#define CSAUDIO_LINE_IN_MUTE 6
#define CSAUDIO_DAC_MUTE 7
#define CSAUDIO_CD_MUTE 8
#define CSAUDIO_MIC_MUTE 9
#define CSAUDIO_MONITOR_MUTE 10
#define CSAUDIO_OUTPUT_MUTE 11
#define CSAUDIO_REC_LVL 12
#define CSAUDIO_RECORD_SOURCE 13
#define CSAUDIO_OUTPUT 14
#define CSAUDIO_INPUT_CLASS 15
#define CSAUDIO_OUTPUT_CLASS 16
#define CSAUDIO_RECORD_CLASS 17
#define CSAUDIO_MONITOR_CLASS 18
#define CSPORT_AUX2 0
#define CSPORT_AUX1 1
#define CSPORT_DAC 2
#define CSPORT_LINEIN 3
#define CSPORT_MONO 4
#define CSPORT_MONITOR 5
#define CSPORT_SPEAKER 6
#define CSPORT_LINEOUT 7
#define CSPORT_HEADPHONE 8
#define MIC_IN_PORT 0
#define LINE_IN_PORT 1
#define AUX1_IN_PORT 2
#define DAC_IN_PORT 3
#ifdef AUDIO_DEBUG
#define DPRINTF(x) printf x
#else
#define DPRINTF(x)
#endif
#define CS_TIMEOUT 90000
#define CS_PC_LINEMUTE XCTL0_ENABLE
#define CS_PC_HDPHMUTE XCTL1_ENABLE
#define CS_AFS_PI 0x10
/* Read/write CS4231 direct registers */
#define CS_WRITE(sc,r,v) \
bus_space_write_1((sc)->sc_bustag, (sc)->sc_cshandle, (r) << 2, (v))
#define CS_READ(sc,r) \
bus_space_read_1((sc)->sc_bustag, (sc)->sc_cshandle, (r) << 2)
/* Read/write EBDMA playback registers */
#define P_WRITE(sc,r,v) \
bus_space_write_4((sc)->sc_bustag, (sc)->sc_pdmahandle, (r), (v))
#define P_READ(sc,r) \
bus_space_read_4((sc)->sc_bustag, (sc)->sc_pdmahandle, (r))
/* Read/write EBDMA capture registers */
#define C_WRITE(sc,r,v) \
bus_space_write_4((sc)->sc_bustag, (sc)->sc_cdmahandle, (r), (v))
#define C_READ(sc,r) \
bus_space_read_4((sc)->sc_bustag, (sc)->sc_cdmahandle, (r))
int ce4231_match(struct device *, void *, void *);
void ce4231_attach(struct device *, struct device *, void *);
int ce4231_cintr(void *);
int ce4231_pintr(void *);
int ce4231_set_speed(struct ce4231_softc *, u_long *);
void ce4231_setup_output(struct ce4231_softc *sc);
void ce4231_write(struct ce4231_softc *, u_int8_t, u_int8_t);
u_int8_t ce4231_read(struct ce4231_softc *, u_int8_t);
/* Audio interface */
int ce4231_open(void *, int);
void ce4231_close(void *);
int ce4231_query_encoding(void *, struct audio_encoding *);
int ce4231_set_params(void *, int, int, struct audio_params *,
struct audio_params *);
int ce4231_round_blocksize(void *, int);
int ce4231_commit_settings(void *);
int ce4231_halt_output(void *);
int ce4231_halt_input(void *);
int ce4231_getdev(void *, struct audio_device *);
int ce4231_set_port(void *, mixer_ctrl_t *);
int ce4231_get_port(void *, mixer_ctrl_t *);
int ce4231_query_devinfo(void *addr, mixer_devinfo_t *);
void * ce4231_alloc(void *, int, size_t, int, int);
void ce4231_free(void *, void *, int);
int ce4231_get_props(void *);
int ce4231_trigger_output(void *, void *, void *, int,
void (*intr)(void *), void *arg, struct audio_params *);
int ce4231_trigger_input(void *, void *, void *, int,
void (*intr)(void *), void *arg, struct audio_params *);
struct audio_hw_if ce4231_sa_hw_if = {
ce4231_open,
ce4231_close,
0,
ce4231_query_encoding,
ce4231_set_params,
ce4231_round_blocksize,
ce4231_commit_settings,
0,
0,
0,
0,
ce4231_halt_output,
ce4231_halt_input,
0,
ce4231_getdev,
0,
ce4231_set_port,
ce4231_get_port,
ce4231_query_devinfo,
ce4231_alloc,
ce4231_free,
0,
0,
ce4231_get_props,
ce4231_trigger_output,
ce4231_trigger_input
};
struct cfattach audioce_ca = {
sizeof (struct ce4231_softc), ce4231_match, ce4231_attach
};
struct cfdriver audioce_cd = {
NULL, "audioce", DV_DULL
};
struct audio_device ce4231_device = {
"SUNW,CS4231",
"b",
"onboard1",
};
int
ce4231_match(parent, vcf, aux)
struct device *parent;
void *vcf, *aux;
{
struct ebus_attach_args *ea = aux;
if (!strcmp("SUNW,CS4231", ea->ea_name) ||
!strcmp("audio", ea->ea_name))
return (1);
return (0);
}
void
ce4231_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct ebus_attach_args *ea = aux;
struct ce4231_softc *sc = (struct ce4231_softc *)self;
int node;
node = ea->ea_node;
sc->sc_last_format = 0xffffffff;
/* Pass on the bus tags */
sc->sc_bustag = ea->ea_memtag;
sc->sc_dmatag = ea->ea_dmatag;
/* Make sure things are sane. */
if (ea->ea_nintrs != 2) {
printf(": expected 2 interrupts, got %d\n", ea->ea_nintrs);
return;
}
if (ea->ea_nregs != 4) {
printf(": expected 4 register set, got %d\n",
ea->ea_nregs);
return;
}
sc->sc_cih = bus_intr_establish(sc->sc_bustag, ea->ea_intrs[0],
IPL_AUDIO, 0, ce4231_cintr, sc, self->dv_xname);
if (sc->sc_cih == NULL) {
printf(": couldn't establish capture interrupt\n");
return;
}
sc->sc_pih = bus_intr_establish(sc->sc_bustag, ea->ea_intrs[1],
IPL_AUDIO, 0, ce4231_pintr, sc, self->dv_xname);
if (sc->sc_pih == NULL) {
printf(": couldn't establish play interrupt1\n");
return;
}
/* XXX what if prom has already mapped?! */
if (ebus_bus_map(sc->sc_bustag, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size,
BUS_SPACE_MAP_LINEAR, 0, &sc->sc_cshandle) != 0) {
printf(": couldn't map cs4231 registers\n");
return;
}
if (ebus_bus_map(sc->sc_bustag, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[1]), ea->ea_regs[1].size,
BUS_SPACE_MAP_LINEAR, 0, &sc->sc_pdmahandle) != 0) {
printf(": couldn't map dma1 registers\n");
return;
}
if (ebus_bus_map(sc->sc_bustag, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[2]), ea->ea_regs[2].size,
BUS_SPACE_MAP_LINEAR, 0, &sc->sc_cdmahandle) != 0) {
printf(": couldn't map dma2 registers\n");
return;
}
if (ebus_bus_map(sc->sc_bustag, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[3]), ea->ea_regs[3].size,
BUS_SPACE_MAP_LINEAR, 0, &sc->sc_auxhandle) != 0) {
printf(": couldn't map aux registers\n");
return;
}
printf(": nvaddrs %d\n", ea->ea_nvaddrs);
audio_attach_mi(&ce4231_sa_hw_if, sc, &sc->sc_dev);
/* Default to speaker, unmuted, reasonable volume */
sc->sc_out_port = CSPORT_SPEAKER;
sc->sc_mute[CSPORT_SPEAKER] = 1;
sc->sc_mute[CSPORT_MONITOR] = 1;
sc->sc_volume[CSPORT_SPEAKER].left = 192;
sc->sc_volume[CSPORT_SPEAKER].right = 192;
/* XXX get real burst... */
sc->sc_burst = EBDCSR_BURST_8;
}
/*
* Write to one of the indexed registers of cs4231.
*/
void
ce4231_write(sc, r, v)
struct ce4231_softc *sc;
u_int8_t r, v;
{
CS_WRITE(sc, AD1848_IADDR, r);
CS_WRITE(sc, AD1848_IDATA, v);
}
/*
* Read from one of the indexed registers of cs4231.
*/
u_int8_t
ce4231_read(sc, r)
struct ce4231_softc *sc;
u_int8_t r;
{
CS_WRITE(sc, AD1848_IADDR, r);
return (CS_READ(sc, AD1848_IDATA));
}
int
ce4231_set_speed(sc, argp)
struct ce4231_softc *sc;
u_long *argp;
{
/*
* The available speeds are in the following table. Keep the speeds in
* the increasing order.
*/
typedef struct {
int speed;
u_char bits;
} speed_struct;
u_long arg = *argp;
static speed_struct speed_table[] = {
{5510, (0 << 1) | CLOCK_XTAL2},
{5510, (0 << 1) | CLOCK_XTAL2},
{6620, (7 << 1) | CLOCK_XTAL2},
{8000, (0 << 1) | CLOCK_XTAL1},
{9600, (7 << 1) | CLOCK_XTAL1},
{11025, (1 << 1) | CLOCK_XTAL2},
{16000, (1 << 1) | CLOCK_XTAL1},
{18900, (2 << 1) | CLOCK_XTAL2},
{22050, (3 << 1) | CLOCK_XTAL2},
{27420, (2 << 1) | CLOCK_XTAL1},
{32000, (3 << 1) | CLOCK_XTAL1},
{33075, (6 << 1) | CLOCK_XTAL2},
{33075, (4 << 1) | CLOCK_XTAL2},
{44100, (5 << 1) | CLOCK_XTAL2},
{48000, (6 << 1) | CLOCK_XTAL1},
};
int i, n, selected = -1;
n = sizeof(speed_table) / sizeof(speed_struct);
if (arg < speed_table[0].speed)
selected = 0;
if (arg > speed_table[n - 1].speed)
selected = n - 1;
for (i = 1; selected == -1 && i < n; i++) {
if (speed_table[i].speed == arg)
selected = i;
else if (speed_table[i].speed > arg) {
int diff1, diff2;
diff1 = arg - speed_table[i - 1].speed;
diff2 = speed_table[i].speed - arg;
if (diff1 < diff2)
selected = i - 1;
else
selected = i;
}
}
if (selected == -1)
selected = 3;
sc->sc_speed_bits = speed_table[selected].bits;
sc->sc_need_commit = 1;
*argp = speed_table[selected].speed;
return (0);
}
/*
* Audio interface functions
*/
int
ce4231_open(addr, flags)
void *addr;
int flags;
{
struct ce4231_softc *sc = addr;
int tries;
if (sc->sc_open)
return (EBUSY);
sc->sc_open = 1;
sc->sc_locked = 0;
sc->sc_rintr = 0;
sc->sc_rarg = 0;
sc->sc_pintr = 0;
sc->sc_parg = 0;
P_WRITE(sc, EBDMA_DCSR, EBDCSR_RESET);
C_WRITE(sc, EBDMA_DCSR, EBDCSR_RESET);
P_WRITE(sc, EBDMA_DCSR, sc->sc_burst);
C_WRITE(sc, EBDMA_DCSR, sc->sc_burst);
DELAY(20);
for (tries = CS_TIMEOUT;
tries && CS_READ(sc, AD1848_IADDR) == SP_IN_INIT; tries--)
DELAY(10);
if (tries == 0)
printf("%s: timeout waiting for reset\n", sc->sc_dev.dv_xname);
/* Turn on cs4231 mode */
ce4231_write(sc, SP_MISC_INFO,
ce4231_read(sc, SP_MISC_INFO) | MODE2);
ce4231_setup_output(sc);
ce4231_write(sc, SP_PIN_CONTROL,
ce4231_read(sc, SP_PIN_CONTROL) | INTERRUPT_ENABLE);
return (0);
}
void
ce4231_setup_output(sc)
struct ce4231_softc *sc;
{
u_int8_t pc, mi, rm, lm;
pc = ce4231_read(sc, SP_PIN_CONTROL) | CS_PC_HDPHMUTE | CS_PC_LINEMUTE;
mi = ce4231_read(sc, CS_MONO_IO_CONTROL) | MONO_OUTPUT_MUTE;
lm = ce4231_read(sc, SP_LEFT_OUTPUT_CONTROL);
lm &= ~OUTPUT_ATTEN_BITS;
lm |= ((~(sc->sc_volume[CSPORT_SPEAKER].left >> 2)) &
OUTPUT_ATTEN_BITS) | OUTPUT_MUTE;
rm = ce4231_read(sc, SP_RIGHT_OUTPUT_CONTROL);
rm &= ~OUTPUT_ATTEN_BITS;
rm |= ((~(sc->sc_volume[CSPORT_SPEAKER].right >> 2)) &
OUTPUT_ATTEN_BITS) | OUTPUT_MUTE;
if (sc->sc_mute[CSPORT_MONITOR]) {
lm &= ~OUTPUT_MUTE;
rm &= ~OUTPUT_MUTE;
}
switch (sc->sc_out_port) {
case CSPORT_HEADPHONE:
if (sc->sc_mute[CSPORT_SPEAKER])
pc &= ~CS_PC_HDPHMUTE;
break;
case CSPORT_SPEAKER:
if (sc->sc_mute[CSPORT_SPEAKER])
mi &= ~MONO_OUTPUT_MUTE;
break;
case CSPORT_LINEOUT:
if (sc->sc_mute[CSPORT_SPEAKER])
pc &= ~CS_PC_LINEMUTE;
break;
}
ce4231_write(sc, SP_LEFT_OUTPUT_CONTROL, lm);
ce4231_write(sc, SP_RIGHT_OUTPUT_CONTROL, rm);
ce4231_write(sc, SP_PIN_CONTROL, pc);
ce4231_write(sc, CS_MONO_IO_CONTROL, mi);
}
void
ce4231_close(addr)
void *addr;
{
struct ce4231_softc *sc = addr;
ce4231_halt_input(sc);
ce4231_halt_output(sc);
ce4231_write(sc, SP_PIN_CONTROL,
ce4231_read(sc, SP_PIN_CONTROL) & (~INTERRUPT_ENABLE));
sc->sc_open = 0;
}
int
ce4231_query_encoding(addr, fp)
void *addr;
struct audio_encoding *fp;
{
int err = 0;
switch (fp->index) {
case 0:
strlcpy(fp->name, AudioEmulaw, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ULAW;
fp->precision = 8;
fp->flags = 0;
break;
case 1:
strlcpy(fp->name, AudioEalaw, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ALAW;
fp->precision = 8;
fp->flags = 0;
break;
case 2:
strlcpy(fp->name, AudioEslinear_le, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
fp->precision = 16;
fp->flags = 0;
break;
case 3:
strlcpy(fp->name, AudioEulinear, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ULINEAR;
fp->precision = 8;
fp->flags = 0;
break;
case 4:
strlcpy(fp->name, AudioEslinear_be, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
fp->precision = 16;
fp->flags = 0;
break;
case 5:
strlcpy(fp->name, AudioEslinear, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_SLINEAR;
fp->precision = 8;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 6:
strlcpy(fp->name, AudioEulinear_le, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
fp->precision = 16;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 7:
strlcpy(fp->name, AudioEulinear_be, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
fp->precision = 16;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 8:
strlcpy(fp->name, AudioEadpcm, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ADPCM;
fp->precision = 8;
fp->flags = 0;
break;
default:
err = EINVAL;
}
return (err);
}
int
ce4231_set_params(addr, setmode, usemode, p, r)
void *addr;
int setmode, usemode;
struct audio_params *p, *r;
{
struct ce4231_softc *sc = (struct ce4231_softc *)addr;
int err, bits, enc = p->encoding;
void (*pswcode)(void *, u_char *, int cnt) = NULL;
void (*rswcode)(void *, u_char *, int cnt) = NULL;
switch (enc) {
case AUDIO_ENCODING_ULAW:
if (p->precision != 8)
return (EINVAL);
bits = FMT_ULAW >> 5;
break;
case AUDIO_ENCODING_ALAW:
if (p->precision != 8)
return (EINVAL);
bits = FMT_ALAW >> 5;
break;
case AUDIO_ENCODING_SLINEAR_LE:
if (p->precision == 8) {
bits = FMT_PCM8 >> 5;
pswcode = rswcode = change_sign8;
} else if (p->precision == 16)
bits = FMT_TWOS_COMP >> 5;
else
return (EINVAL);
break;
case AUDIO_ENCODING_ULINEAR:
if (p->precision != 8)
return (EINVAL);
bits = FMT_PCM8 >> 5;
break;
case AUDIO_ENCODING_SLINEAR_BE:
if (p->precision == 8) {
bits = FMT_PCM8 >> 5;
pswcode = rswcode = change_sign8;
} else if (p->precision == 16)
bits = FMT_TWOS_COMP_BE >> 5;
else
return (EINVAL);
break;
case AUDIO_ENCODING_SLINEAR:
if (p->precision != 8)
return (EINVAL);
bits = FMT_PCM8 >> 5;
pswcode = rswcode = change_sign8;
break;
case AUDIO_ENCODING_ULINEAR_LE:
if (p->precision == 8)
bits = FMT_PCM8 >> 5;
else if (p->precision == 16) {
bits = FMT_TWOS_COMP >> 5;
pswcode = rswcode = change_sign16_le;
} else
return (EINVAL);
break;
case AUDIO_ENCODING_ULINEAR_BE:
if (p->precision == 8)
bits = FMT_PCM8 >> 5;
else if (p->precision == 16) {
bits = FMT_TWOS_COMP_BE >> 5;
pswcode = rswcode = change_sign16_be;
} else
return (EINVAL);
break;
case AUDIO_ENCODING_ADPCM:
if (p->precision != 8)
return (EINVAL);
bits = FMT_ADPCM >> 5;
break;
default:
return (EINVAL);
}
if (p->channels != 1 && p->channels != 2)
return (EINVAL);
err = ce4231_set_speed(sc, &p->sample_rate);
if (err)
return (err);
p->sw_code = pswcode;
r->sw_code = rswcode;
sc->sc_format_bits = bits;
sc->sc_channels = p->channels;
sc->sc_precision = p->precision;
sc->sc_need_commit = 1;
return (0);
}
int
ce4231_round_blocksize(addr, blk)
void *addr;
int blk;
{
return ((blk + 3) & (-4));
}
int
ce4231_commit_settings(addr)
void *addr;
{
struct ce4231_softc *sc = (struct ce4231_softc *)addr;
int s, tries;
u_int8_t r, fs;
if (sc->sc_need_commit == 0)
return (0);
fs = sc->sc_speed_bits | (sc->sc_format_bits << 5);
if (sc->sc_channels == 2)
fs |= FMT_STEREO;
if (sc->sc_last_format == fs) {
sc->sc_need_commit = 0;
return (0);
}
s = splaudio();
r = ce4231_read(sc, SP_INTERFACE_CONFIG) | AUTO_CAL_ENABLE;
CS_WRITE(sc, AD1848_IADDR, MODE_CHANGE_ENABLE);
CS_WRITE(sc, AD1848_IADDR, MODE_CHANGE_ENABLE | SP_INTERFACE_CONFIG);
CS_WRITE(sc, AD1848_IDATA, r);
CS_WRITE(sc, AD1848_IADDR, MODE_CHANGE_ENABLE | SP_CLOCK_DATA_FORMAT);
CS_WRITE(sc, AD1848_IDATA, fs);
CS_READ(sc, AD1848_IDATA);
CS_READ(sc, AD1848_IDATA);
tries = CS_TIMEOUT;
for (tries = CS_TIMEOUT;
tries && CS_READ(sc, AD1848_IADDR) == SP_IN_INIT; tries--)
DELAY(10);
if (tries == 0)
printf("%s: timeout committing fspb\n", sc->sc_dev.dv_xname);
CS_WRITE(sc, AD1848_IADDR, MODE_CHANGE_ENABLE | CS_REC_FORMAT);
CS_WRITE(sc, AD1848_IDATA, fs);
CS_READ(sc, AD1848_IDATA);
CS_READ(sc, AD1848_IDATA);
for (tries = CS_TIMEOUT;
tries && CS_READ(sc, AD1848_IADDR) == SP_IN_INIT; tries--)
DELAY(10);
if (tries == 0)
printf("%s: timeout committing cdf\n", sc->sc_dev.dv_xname);
CS_WRITE(sc, AD1848_IADDR, 0);
for (tries = CS_TIMEOUT;
tries && CS_READ(sc, AD1848_IADDR) == SP_IN_INIT; tries--)
DELAY(10);
if (tries == 0)
printf("%s: timeout waiting for !mce\n", sc->sc_dev.dv_xname);
CS_WRITE(sc, AD1848_IADDR, SP_TEST_AND_INIT);
for (tries = CS_TIMEOUT;
tries && CS_READ(sc, AD1848_IDATA) & AUTO_CAL_IN_PROG; tries--)
DELAY(10);
if (tries == 0)
printf("%s: timeout waiting for autocalibration\n",
sc->sc_dev.dv_xname);
splx(s);
sc->sc_need_commit = 0;
return (0);
}
int
ce4231_halt_output(addr)
void *addr;
{
struct ce4231_softc *sc = (struct ce4231_softc *)addr;
P_WRITE(sc, EBDMA_DCSR,
P_READ(sc, EBDMA_DCSR) & ~EBDCSR_DMAEN);
ce4231_write(sc, SP_INTERFACE_CONFIG,
ce4231_read(sc, SP_INTERFACE_CONFIG) & (~PLAYBACK_ENABLE));
sc->sc_locked = 0;
return (0);
}
int
ce4231_halt_input(addr)
void *addr;
{
struct ce4231_softc *sc = (struct ce4231_softc *)addr;
C_WRITE(sc, EBDMA_DCSR,
C_READ(sc, EBDMA_DCSR) & ~EBDCSR_DMAEN);
ce4231_write(sc, SP_INTERFACE_CONFIG,
ce4231_read(sc, SP_INTERFACE_CONFIG) & (~CAPTURE_ENABLE));
sc->sc_locked = 0;
return (0);
}
int
ce4231_getdev(addr, retp)
void *addr;
struct audio_device *retp;
{
*retp = ce4231_device;
return (0);
}
int
ce4231_set_port(addr, cp)
void *addr;
mixer_ctrl_t *cp;
{
struct ce4231_softc *sc = (struct ce4231_softc *)addr;
int error = EINVAL;
DPRINTF(("ce4231_set_port: port=%d type=%d\n", cp->dev, cp->type));
switch (cp->dev) {
case CSAUDIO_DAC_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1)
ce4231_write(sc, SP_LEFT_AUX1_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] &
LINE_INPUT_ATTEN_BITS);
else if (cp->un.value.num_channels == 2) {
ce4231_write(sc, SP_LEFT_AUX1_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] &
LINE_INPUT_ATTEN_BITS);
ce4231_write(sc, SP_RIGHT_AUX1_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] &
LINE_INPUT_ATTEN_BITS);
} else
break;
error = 0;
break;
case CSAUDIO_LINE_IN_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1)
ce4231_write(sc, CS_LEFT_LINE_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] &
AUX_INPUT_ATTEN_BITS);
else if (cp->un.value.num_channels == 2) {
ce4231_write(sc, CS_LEFT_LINE_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] &
AUX_INPUT_ATTEN_BITS);
ce4231_write(sc, CS_RIGHT_LINE_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] &
AUX_INPUT_ATTEN_BITS);
} else
break;
error = 0;
break;
case CSAUDIO_MIC_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1) {
#if 0
ce4231_write(sc, CS_MONO_IO_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] &
MONO_INPUT_ATTEN_BITS);
#endif
} else
break;
error = 0;
break;
case CSAUDIO_CD_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1) {
ce4231_write(sc, SP_LEFT_AUX2_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] &
LINE_INPUT_ATTEN_BITS);
} else if (cp->un.value.num_channels == 2) {
ce4231_write(sc, SP_LEFT_AUX2_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] &
LINE_INPUT_ATTEN_BITS);
ce4231_write(sc, SP_RIGHT_AUX2_CONTROL,
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] &
LINE_INPUT_ATTEN_BITS);
} else
break;
error = 0;
break;
case CSAUDIO_MONITOR_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1)
ce4231_write(sc, SP_DIGITAL_MIX,
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] << 2);
else
break;
error = 0;
break;
case CSAUDIO_OUTPUT_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1) {
sc->sc_volume[CSPORT_SPEAKER].left =
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
sc->sc_volume[CSPORT_SPEAKER].right =
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO];
}
else if (cp->un.value.num_channels == 2) {
sc->sc_volume[CSPORT_SPEAKER].left =
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT];
sc->sc_volume[CSPORT_SPEAKER].right =
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT];
}
else
break;
ce4231_setup_output(sc);
error = 0;
break;
case CSAUDIO_OUTPUT:
if (cp->type != AUDIO_MIXER_ENUM)
break;
if (cp->un.ord != CSPORT_LINEOUT &&
cp->un.ord != CSPORT_SPEAKER &&
cp->un.ord != CSPORT_HEADPHONE)
return (EINVAL);
sc->sc_out_port = cp->un.ord;
ce4231_setup_output(sc);
error = 0;
break;
case CSAUDIO_LINE_IN_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
sc->sc_mute[CSPORT_LINEIN] = cp->un.ord ? 1 : 0;
error = 0;
break;
case CSAUDIO_DAC_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
sc->sc_mute[CSPORT_AUX1] = cp->un.ord ? 1 : 0;
error = 0;
break;
case CSAUDIO_CD_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
sc->sc_mute[CSPORT_AUX2] = cp->un.ord ? 1 : 0;
error = 0;
break;
case CSAUDIO_MIC_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
sc->sc_mute[CSPORT_MONO] = cp->un.ord ? 1 : 0;
error = 0;
break;
case CSAUDIO_MONITOR_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
sc->sc_mute[CSPORT_MONITOR] = cp->un.ord ? 1 : 0;
error = 0;
break;
case CSAUDIO_OUTPUT_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
sc->sc_mute[CSPORT_SPEAKER] = cp->un.ord ? 1 : 0;
ce4231_setup_output(sc);
error = 0;
break;
case CSAUDIO_REC_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
break;
case CSAUDIO_RECORD_SOURCE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
break;
}
return (error);
}
int
ce4231_get_port(addr, cp)
void *addr;
mixer_ctrl_t *cp;
{
struct ce4231_softc *sc = (struct ce4231_softc *)addr;
int error = EINVAL;
DPRINTF(("ce4231_get_port: port=%d type=%d\n", cp->dev, cp->type));
switch (cp->dev) {
case CSAUDIO_DAC_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1)
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]=
ce4231_read(sc, SP_LEFT_AUX1_CONTROL) &
LINE_INPUT_ATTEN_BITS;
else if (cp->un.value.num_channels == 2) {
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
ce4231_read(sc, SP_LEFT_AUX1_CONTROL) &
LINE_INPUT_ATTEN_BITS;
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
ce4231_read(sc, SP_RIGHT_AUX1_CONTROL) &
LINE_INPUT_ATTEN_BITS;
} else
break;
error = 0;
break;
case CSAUDIO_LINE_IN_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1)
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
ce4231_read(sc, CS_LEFT_LINE_CONTROL) & AUX_INPUT_ATTEN_BITS;
else if (cp->un.value.num_channels == 2) {
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
ce4231_read(sc, CS_LEFT_LINE_CONTROL) & AUX_INPUT_ATTEN_BITS;
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
ce4231_read(sc, CS_RIGHT_LINE_CONTROL) & AUX_INPUT_ATTEN_BITS;
} else
break;
error = 0;
break;
case CSAUDIO_MIC_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1) {
#if 0
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
ce4231_read(sc, CS_MONO_IO_CONTROL) &
MONO_INPUT_ATTEN_BITS;
#endif
} else
break;
error = 0;
break;
case CSAUDIO_CD_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1)
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
ce4231_read(sc, SP_LEFT_AUX2_CONTROL) &
LINE_INPUT_ATTEN_BITS;
else if (cp->un.value.num_channels == 2) {
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
ce4231_read(sc, SP_LEFT_AUX2_CONTROL) &
LINE_INPUT_ATTEN_BITS;
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
ce4231_read(sc, SP_RIGHT_AUX2_CONTROL) &
LINE_INPUT_ATTEN_BITS;
}
else
break;
error = 0;
break;
case CSAUDIO_MONITOR_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels != 1)
break;
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
ce4231_read(sc, SP_DIGITAL_MIX) >> 2;
error = 0;
break;
case CSAUDIO_OUTPUT_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1)
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
sc->sc_volume[CSPORT_SPEAKER].left;
else if (cp->un.value.num_channels == 2) {
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
sc->sc_volume[CSPORT_SPEAKER].left;
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
sc->sc_volume[CSPORT_SPEAKER].right;
}
else
break;
error = 0;
break;
case CSAUDIO_LINE_IN_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = sc->sc_mute[CSPORT_LINEIN] ? 1 : 0;
error = 0;
break;
case CSAUDIO_DAC_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = sc->sc_mute[CSPORT_AUX1] ? 1 : 0;
error = 0;
break;
case CSAUDIO_CD_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = sc->sc_mute[CSPORT_AUX2] ? 1 : 0;
error = 0;
break;
case CSAUDIO_MIC_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = sc->sc_mute[CSPORT_MONO] ? 1 : 0;
error = 0;
break;
case CSAUDIO_MONITOR_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = sc->sc_mute[CSPORT_MONITOR] ? 1 : 0;
error = 0;
break;
case CSAUDIO_OUTPUT_MUTE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = sc->sc_mute[CSPORT_SPEAKER] ? 1 : 0;
error = 0;
break;
case CSAUDIO_REC_LVL:
if (cp->type != AUDIO_MIXER_VALUE)
break;
if (cp->un.value.num_channels == 1) {
cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] =
AUDIO_MIN_GAIN;
} else if (cp->un.value.num_channels == 2) {
cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] =
AUDIO_MIN_GAIN;
cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] =
AUDIO_MIN_GAIN;
} else
break;
error = 0;
break;
case CSAUDIO_RECORD_SOURCE:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = MIC_IN_PORT;
error = 0;
break;
case CSAUDIO_OUTPUT:
if (cp->type != AUDIO_MIXER_ENUM)
break;
cp->un.ord = sc->sc_out_port;
error = 0;
break;
}
return (error);
}
int
ce4231_query_devinfo(addr, dip)
void *addr;
mixer_devinfo_t *dip;
{
int err = 0;
switch (dip->index) {
case CSAUDIO_MIC_LVL: /* mono/microphone mixer */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = CSAUDIO_INPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = CSAUDIO_MIC_MUTE;
strlcpy(dip->label.name, AudioNmicrophone, sizeof dip->label.name);
dip->un.v.num_channels = 1;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
break;
case CSAUDIO_DAC_LVL: /* dacout */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = CSAUDIO_INPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = CSAUDIO_DAC_MUTE;
strlcpy(dip->label.name, AudioNdac, sizeof dip->label.name);
dip->un.v.num_channels = 2;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
break;
case CSAUDIO_LINE_IN_LVL: /* line */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = CSAUDIO_INPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = CSAUDIO_LINE_IN_MUTE;
strlcpy(dip->label.name, AudioNline, sizeof dip->label.name);
dip->un.v.num_channels = 2;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
break;
case CSAUDIO_CD_LVL: /* cd */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = CSAUDIO_INPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = CSAUDIO_CD_MUTE;
strlcpy(dip->label.name, AudioNcd, sizeof dip->label.name);
dip->un.v.num_channels = 2;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
break;
case CSAUDIO_MONITOR_LVL: /* monitor level */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = CSAUDIO_MONITOR_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = CSAUDIO_MONITOR_MUTE;
strlcpy(dip->label.name, AudioNmonitor, sizeof dip->label.name);
dip->un.v.num_channels = 1;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
break;
case CSAUDIO_OUTPUT_LVL:
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = CSAUDIO_OUTPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = CSAUDIO_OUTPUT_MUTE;
strlcpy(dip->label.name, AudioNoutput, sizeof dip->label.name);
dip->un.v.num_channels = 2;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
break;
case CSAUDIO_LINE_IN_MUTE:
dip->type = AUDIO_MIXER_ENUM;
dip->mixer_class = CSAUDIO_INPUT_CLASS;
dip->prev = CSAUDIO_LINE_IN_LVL;
dip->next = AUDIO_MIXER_LAST;
goto mute;
case CSAUDIO_DAC_MUTE:
dip->type = AUDIO_MIXER_ENUM;
dip->mixer_class = CSAUDIO_INPUT_CLASS;
dip->prev = CSAUDIO_DAC_LVL;
dip->next = AUDIO_MIXER_LAST;
goto mute;
case CSAUDIO_CD_MUTE:
dip->type = AUDIO_MIXER_ENUM;
dip->mixer_class = CSAUDIO_INPUT_CLASS;
dip->prev = CSAUDIO_CD_LVL;
dip->next = AUDIO_MIXER_LAST;
goto mute;
case CSAUDIO_MIC_MUTE:
dip->type = AUDIO_MIXER_ENUM;
dip->mixer_class = CSAUDIO_INPUT_CLASS;
dip->prev = CSAUDIO_MIC_LVL;
dip->next = AUDIO_MIXER_LAST;
goto mute;
case CSAUDIO_MONITOR_MUTE:
dip->type = AUDIO_MIXER_ENUM;
dip->mixer_class = CSAUDIO_OUTPUT_CLASS;
dip->prev = CSAUDIO_MONITOR_LVL;
dip->next = AUDIO_MIXER_LAST;
goto mute;
case CSAUDIO_OUTPUT_MUTE:
dip->type = AUDIO_MIXER_ENUM;
dip->mixer_class = CSAUDIO_OUTPUT_CLASS;
dip->prev = CSAUDIO_OUTPUT_LVL;
dip->next = AUDIO_MIXER_LAST;
goto mute;
mute:
strlcpy(dip->label.name, AudioNmute, sizeof dip->label.name);
dip->un.e.num_mem = 2;
strlcpy(dip->un.e.member[0].label.name, AudioNon,
sizeof dip->un.e.member[0].label.name);
dip->un.e.member[0].ord = 0;
strlcpy(dip->un.e.member[1].label.name, AudioNoff,
sizeof dip->un.e.member[1].label.name);
dip->un.e.member[1].ord = 1;
break;
case CSAUDIO_REC_LVL: /* record level */
dip->type = AUDIO_MIXER_VALUE;
dip->mixer_class = CSAUDIO_RECORD_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = CSAUDIO_RECORD_SOURCE;
strlcpy(dip->label.name, AudioNrecord, sizeof dip->label.name);
dip->un.v.num_channels = 2;
strlcpy(dip->un.v.units.name, AudioNvolume,
sizeof dip->un.v.units.name);
break;
case CSAUDIO_RECORD_SOURCE:
dip->type = AUDIO_MIXER_ENUM;
dip->mixer_class = CSAUDIO_RECORD_CLASS;
dip->prev = CSAUDIO_REC_LVL;
dip->next = AUDIO_MIXER_LAST;
strlcpy(dip->label.name, AudioNsource, sizeof dip->label.name);
dip->un.e.num_mem = 3;
strlcpy(dip->un.e.member[0].label.name, AudioNcd,
sizeof dip->un.e.member[0].label.name);
dip->un.e.member[0].ord = DAC_IN_PORT;
strlcpy(dip->un.e.member[1].label.name, AudioNmicrophone,
sizeof dip->un.e.member[1].label.name);
dip->un.e.member[1].ord = MIC_IN_PORT;
strlcpy(dip->un.e.member[2].label.name, AudioNdac,
sizeof dip->un.e.member[2].label.name);
dip->un.e.member[2].ord = AUX1_IN_PORT;
strlcpy(dip->un.e.member[3].label.name, AudioNline,
sizeof dip->un.e.member[3].label.name);
dip->un.e.member[3].ord = LINE_IN_PORT;
break;
case CSAUDIO_OUTPUT:
dip->type = AUDIO_MIXER_ENUM;
dip->mixer_class = CSAUDIO_MONITOR_CLASS;
dip->prev = dip->next = AUDIO_MIXER_LAST;
strlcpy(dip->label.name, AudioNoutput, sizeof dip->label.name);
dip->un.e.num_mem = 3;
strlcpy(dip->un.e.member[0].label.name, AudioNspeaker,
sizeof dip->un.e.member[0].label.name);
dip->un.e.member[0].ord = CSPORT_SPEAKER;
strlcpy(dip->un.e.member[1].label.name, AudioNline,
sizeof dip->un.e.member[1].label.name);
dip->un.e.member[1].ord = CSPORT_LINEOUT;
strlcpy(dip->un.e.member[2].label.name, AudioNheadphone,
sizeof dip->un.e.member[2].label.name);
dip->un.e.member[2].ord = CSPORT_HEADPHONE;
break;
case CSAUDIO_INPUT_CLASS: /* input class descriptor */
dip->type = AUDIO_MIXER_CLASS;
dip->mixer_class = CSAUDIO_INPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = AUDIO_MIXER_LAST;
strlcpy(dip->label.name, AudioCinputs, sizeof dip->label.name);
break;
case CSAUDIO_OUTPUT_CLASS: /* output class descriptor */
dip->type = AUDIO_MIXER_CLASS;
dip->mixer_class = CSAUDIO_OUTPUT_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = AUDIO_MIXER_LAST;
strlcpy(dip->label.name, AudioCoutputs, sizeof dip->label.name);
break;
case CSAUDIO_MONITOR_CLASS: /* monitor class descriptor */
dip->type = AUDIO_MIXER_CLASS;
dip->mixer_class = CSAUDIO_MONITOR_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = AUDIO_MIXER_LAST;
strlcpy(dip->label.name, AudioCmonitor, sizeof dip->label.name);
break;
case CSAUDIO_RECORD_CLASS: /* record class descriptor */
dip->type = AUDIO_MIXER_CLASS;
dip->mixer_class = CSAUDIO_RECORD_CLASS;
dip->prev = AUDIO_MIXER_LAST;
dip->next = AUDIO_MIXER_LAST;
strlcpy(dip->label.name, AudioCrecord, sizeof dip->label.name);
break;
default:
err = ENXIO;
}
return (err);
}
int
ce4231_get_props(addr)
void *addr;
{
return (AUDIO_PROP_FULLDUPLEX);
}
/*
* Hardware interrupt handler
*/
int
ce4231_cintr(v)
void *v;
{
return (0);
}
int
ce4231_pintr(v)
void *v;
{
struct ce4231_softc *sc = (struct ce4231_softc *)v;
u_int32_t csr;
u_int8_t reg, status;
struct cs_dma *p;
int r = 0;
csr = P_READ(sc, EBDMA_DCSR);
status = CS_READ(sc, AD1848_STATUS);
if (status & (INTERRUPT_STATUS | SAMPLE_ERROR)) {
reg = ce4231_read(sc, CS_IRQ_STATUS);
if (reg & CS_AFS_PI) {
ce4231_write(sc, SP_LOWER_BASE_COUNT, 0xff);
ce4231_write(sc, SP_UPPER_BASE_COUNT, 0xff);
}
CS_WRITE(sc, AD1848_STATUS, 0);
}
P_WRITE(sc, EBDMA_DCSR, csr);
if (csr & EBDCSR_INT)
r = 1;
if ((csr & EBDCSR_TC) || ((csr & EBDCSR_A_LOADED) == 0)) {
u_long nextaddr, togo;
p = sc->sc_nowplaying;
togo = sc->sc_playsegsz - sc->sc_playcnt;
if (togo == 0) {
nextaddr = (u_int32_t)p->dmamap->dm_segs[0].ds_addr;
sc->sc_playcnt = togo = sc->sc_blksz;
} else {
nextaddr = sc->sc_lastaddr;
if (togo > sc->sc_blksz)
togo = sc->sc_blksz;
sc->sc_playcnt += togo;
}
P_WRITE(sc, EBDMA_DCNT, togo);
P_WRITE(sc, EBDMA_DADDR, nextaddr);
sc->sc_lastaddr = nextaddr + togo;
if (sc->sc_pintr != NULL)
(*sc->sc_pintr)(sc->sc_parg);
r = 1;
}
return (r);
}
void *
ce4231_alloc(addr, direction, size, pool, flags)
void *addr;
int direction;
size_t size;
int pool;
int flags;
{
struct ce4231_softc *sc = (struct ce4231_softc *)addr;
bus_dma_tag_t dmat = sc->sc_dmatag;
struct cs_dma *p;
p = (struct cs_dma *)malloc(sizeof(struct cs_dma), pool, flags);
if (p == NULL)
return (NULL);
if (bus_dmamap_create(dmat, size, 1, size, 0,
BUS_DMA_NOWAIT, &p->dmamap) != 0)
goto fail;
p->size = size;
if (bus_dmamem_alloc(dmat, size, 64*1024, 0, p->segs,
sizeof(p->segs)/sizeof(p->segs[0]), &p->nsegs,
BUS_DMA_NOWAIT) != 0)
goto fail1;
if (bus_dmamem_map(dmat, p->segs, p->nsegs, p->size,
&p->addr, BUS_DMA_NOWAIT | BUS_DMA_COHERENT) != 0)
goto fail2;
if (bus_dmamap_load(dmat, p->dmamap, p->addr, size, NULL,
BUS_DMA_NOWAIT) != 0)
goto fail3;
p->next = sc->sc_dmas;
sc->sc_dmas = p;
return (p->addr);
fail3:
bus_dmamem_unmap(dmat, p->addr, p->size);
fail2:
bus_dmamem_free(dmat, p->segs, p->nsegs);
fail1:
bus_dmamap_destroy(dmat, p->dmamap);
fail:
free(p, pool);
return (NULL);
}
void
ce4231_free(addr, ptr, pool)
void *addr;
void *ptr;
int pool;
{
struct ce4231_softc *sc = addr;
bus_dma_tag_t dmat = sc->sc_dmatag;
struct cs_dma *p, **pp;
for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &(*pp)->next) {
if (p->addr != ptr)
continue;
bus_dmamap_unload(dmat, p->dmamap);
bus_dmamem_unmap(dmat, p->addr, p->size);
bus_dmamem_free(dmat, p->segs, p->nsegs);
bus_dmamap_destroy(dmat, p->dmamap);
*pp = p->next;
free(p, pool);
return;
}
printf("%s: attempt to free rogue pointer\n", sc->sc_dev.dv_xname);
}
int
ce4231_trigger_output(addr, start, end, blksize, intr, arg, param)
void *addr, *start, *end;
int blksize;
void (*intr)(void *);
void *arg;
struct audio_params *param;
{
struct ce4231_softc *sc = addr;
struct cs_dma *p;
u_int32_t csr;
vaddr_t n;
if (sc->sc_locked != 0) {
printf("%s: trigger_output: already running\n",
sc->sc_dev.dv_xname);
return (EINVAL);
}
sc->sc_locked = 1;
sc->sc_pintr = intr;
sc->sc_parg = arg;
for (p = sc->sc_dmas; p->addr != start; p = p->next)
/*EMPTY*/;
if (p == NULL) {
printf("%s: trigger_output: bad addr: %p\n",
sc->sc_dev.dv_xname, start);
return (EINVAL);
}
n = (char *)end - (char *)start;
/*
* Do only `blksize' at a time, so audio_pint() is kept
* synchronous with us...
*/
sc->sc_blksz = blksize;
sc->sc_nowplaying = p;
sc->sc_playsegsz = n;
if (n > sc->sc_blksz)
n = sc->sc_blksz;
sc->sc_playcnt = n;
csr = P_READ(sc, EBDMA_DCSR);
if (csr & EBDCSR_DMAEN) {
P_WRITE(sc, EBDMA_DCNT, (u_long)n);
P_WRITE(sc, EBDMA_DADDR,
(u_long)p->dmamap->dm_segs[0].ds_addr);
} else {
P_WRITE(sc, EBDMA_DCSR, EBDCSR_RESET);
P_WRITE(sc, EBDMA_DCSR, sc->sc_burst);
P_WRITE(sc, EBDMA_DCNT, (u_long)n);
P_WRITE(sc, EBDMA_DADDR,
(u_long)p->dmamap->dm_segs[0].ds_addr);
P_WRITE(sc, EBDMA_DCSR, sc->sc_burst | EBDCSR_DMAEN |
EBDCSR_INTEN | EBDCSR_CNTEN | EBDCSR_NEXTEN);
ce4231_write(sc, SP_LOWER_BASE_COUNT, 0xff);
ce4231_write(sc, SP_UPPER_BASE_COUNT, 0xff);
ce4231_write(sc, SP_INTERFACE_CONFIG,
ce4231_read(sc, SP_INTERFACE_CONFIG) | PLAYBACK_ENABLE);
}
sc->sc_lastaddr = p->dmamap->dm_segs[0].ds_addr + n;
return (0);
}
int
ce4231_trigger_input(addr, start, end, blksize, intr, arg, param)
void *addr, *start, *end;
int blksize;
void (*intr)(void *);
void *arg;
struct audio_params *param;
{
return (ENXIO);
}
![[BACK]](/icons/back.gif){kind=icon}
Return to ce4231.c CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [local] / sys / arch / sparc64 / dev