OpenBSD-4.6/sys/dev/pci/auvia.c
/* $OpenBSD: auvia.c,v 1.44 2008/10/25 22:30:43 jakemsr Exp $ */
/* $NetBSD: auvia.c,v 1.28 2002/11/04 16:38:49 kent Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Tyler C. Sarna
*
* 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
*/
/*
* VIA Technologies VT82C686A Southbridge Audio Driver
*
* Documentation links:
*
* ftp://ftp.alsa-project.org/pub/manuals/via/686a.pdf
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/audioio.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcivar.h>
#include <dev/audio_if.h>
#include <dev/mulaw.h>
#include <dev/auconv.h>
#include <dev/ic/ac97.h>
#include <dev/pci/auviavar.h>
struct auvia_dma {
struct auvia_dma *next;
caddr_t addr;
size_t size;
bus_dmamap_t map;
bus_dma_segment_t seg;
};
struct auvia_dma_op {
u_int32_t ptr;
u_int32_t flags;
#define AUVIA_DMAOP_EOL 0x80000000
#define AUVIA_DMAOP_FLAG 0x40000000
#define AUVIA_DMAOP_STOP 0x20000000
#define AUVIA_DMAOP_COUNT(x) ((x)&0x00FFFFFF)
};
int auvia_match(struct device *, void *, void *);
void auvia_attach(struct device *, struct device *, void *);
int auvia_open(void *, int);
void auvia_close(void *);
int auvia_query_encoding(void *, struct audio_encoding *);
void auvia_set_params_sub(struct auvia_softc *, struct auvia_softc_chan *,
struct audio_params *);
int auvia_set_params(void *, int, int, struct audio_params *,
struct audio_params *);
void auvia_get_default_params(void *, int, struct audio_params *);
int auvia_round_blocksize(void *, int);
int auvia_halt_output(void *);
int auvia_halt_input(void *);
int auvia_getdev(void *, struct audio_device *);
int auvia_set_port(void *, mixer_ctrl_t *);
int auvia_get_port(void *, mixer_ctrl_t *);
int auvia_query_devinfo(void *, mixer_devinfo_t *);
void * auvia_malloc(void *, int, size_t, int, int);
void auvia_free(void *, void *, int);
size_t auvia_round_buffersize(void *, int, size_t);
paddr_t auvia_mappage(void *, void *, off_t, int);
int auvia_get_props(void *);
int auvia_build_dma_ops(struct auvia_softc *, struct auvia_softc_chan *,
struct auvia_dma *, void *, void *, int);
int auvia_trigger_output(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
int auvia_trigger_input(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
int auvia_intr(void *);
struct cfdriver auvia_cd = {
NULL, "auvia", DV_DULL
};
struct cfattach auvia_ca = {
sizeof (struct auvia_softc), auvia_match, auvia_attach
};
#define AUVIA_PCICONF_JUNK 0x40
#define AUVIA_PCICONF_ENABLES 0x00FF0000 /* reg 42 mask */
#define AUVIA_PCICONF_ACLINKENAB 0x00008000 /* ac link enab */
#define AUVIA_PCICONF_ACNOTRST 0x00004000 /* ~(ac reset) */
#define AUVIA_PCICONF_ACSYNC 0x00002000 /* ac sync */
#define AUVIA_PCICONF_ACVSR 0x00000800 /* var. samp. rate */
#define AUVIA_PCICONF_ACSGD 0x00000400 /* SGD enab */
#define AUVIA_PCICONF_ACFM 0x00000200 /* FM enab */
#define AUVIA_PCICONF_ACSB 0x00000100 /* SB enab */
#define AUVIA_PCICONF_PRIVALID 0x00000001 /* primary codec rdy */
#define AUVIA_PLAY_BASE 0x00
#define AUVIA_RECORD_BASE 0x10
/* *_RP_* are offsets from AUVIA_PLAY_BASE or AUVIA_RECORD_BASE */
#define AUVIA_RP_STAT 0x00
#define AUVIA_RPSTAT_INTR 0x03
#define AUVIA_RP_CONTROL 0x01
#define AUVIA_RPCTRL_START 0x80
#define AUVIA_RPCTRL_TERMINATE 0x40
#define AUVIA_RPCTRL_AUTOSTART 0x20
/* The following are 8233 specific */
#define AUVIA_RPCTRL_STOP 0x04
#define AUVIA_RPCTRL_EOL 0x02
#define AUVIA_RPCTRL_FLAG 0x01
#define AUVIA_RP_MODE 0x02 /* 82c686 specific */
#define AUVIA_RPMODE_INTR_FLAG 0x01
#define AUVIA_RPMODE_INTR_EOL 0x02
#define AUVIA_RPMODE_STEREO 0x10
#define AUVIA_RPMODE_16BIT 0x20
#define AUVIA_RPMODE_AUTOSTART 0x80
#define AUVIA_RP_DMAOPS_BASE 0x04
#define VIA8233_RP_DXS_LVOL 0x02
#define VIA8233_RP_DXS_RVOL 0x03
#define VIA8233_RP_RATEFMT 0x08
#define VIA8233_RATEFMT_48K 0xfffff
#define VIA8233_RATEFMT_STEREO 0x00100000
#define VIA8233_RATEFMT_16BIT 0x00200000
#define VIA_RP_DMAOPS_COUNT 0x0c
#define VIA8233_MP_BASE 0x40
/* STAT, CONTROL, DMAOPS_BASE, DMAOPS_COUNT are valid */
#define VIA8233_OFF_MP_FORMAT 0x02
#define VIA8233_MP_FORMAT_8BIT 0x00
#define VIA8233_MP_FORMAT_16BIT 0x80
#define VIA8233_MP_FORMAT_CHANNLE_MASK 0x70 /* 1, 2, 4, 6 */
#define VIA8233_OFF_MP_SCRATCH 0x03
#define VIA8233_OFF_MP_STOP 0x08
#define VIA8233_WR_BASE 0x60
#define AUVIA_CODEC_CTL 0x80
#define AUVIA_CODEC_READ 0x00800000
#define AUVIA_CODEC_BUSY 0x01000000
#define AUVIA_CODEC_PRIVALID 0x02000000
#define AUVIA_CODEC_INDEX(x) ((x)<<16)
#define CH_WRITE1(sc, ch, off, v) \
bus_space_write_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v)
#define CH_WRITE4(sc, ch, off, v) \
bus_space_write_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off), v)
#define CH_READ1(sc, ch, off) \
bus_space_read_1((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
#define CH_READ4(sc, ch, off) \
bus_space_read_4((sc)->sc_iot, (sc)->sc_ioh, (ch)->sc_base + (off))
#define TIMEOUT 50
struct audio_hw_if auvia_hw_if = {
auvia_open,
auvia_close,
NULL, /* drain */
auvia_query_encoding,
auvia_set_params,
auvia_round_blocksize,
NULL, /* commit_settings */
NULL, /* init_output */
NULL, /* init_input */
NULL, /* start_output */
NULL, /* start_input */
auvia_halt_output,
auvia_halt_input,
NULL, /* speaker_ctl */
auvia_getdev,
NULL, /* setfd */
auvia_set_port,
auvia_get_port,
auvia_query_devinfo,
auvia_malloc,
auvia_free,
auvia_round_buffersize,
auvia_mappage,
auvia_get_props,
auvia_trigger_output,
auvia_trigger_input,
auvia_get_default_params
};
int auvia_attach_codec(void *, struct ac97_codec_if *);
int auvia_write_codec(void *, u_int8_t, u_int16_t);
int auvia_read_codec(void *, u_int8_t, u_int16_t *);
void auvia_reset_codec(void *);
int auvia_waitready_codec(struct auvia_softc *sc);
int auvia_waitvalid_codec(struct auvia_softc *sc);
void auvia_spdif_event(void *, int);
const struct pci_matchid auvia_devices[] = {
{ PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT82C686A_AC97 },
{ PCI_VENDOR_VIATECH, PCI_PRODUCT_VIATECH_VT8233_AC97 },
};
int
auvia_match(struct device *parent, void *match, void *aux)
{
return (pci_matchbyid((struct pci_attach_args *)aux, auvia_devices,
sizeof(auvia_devices)/sizeof(auvia_devices[0])));
}
void
auvia_attach(struct device *parent, struct device *self, void *aux)
{
struct pci_attach_args *pa = aux;
struct auvia_softc *sc = (struct auvia_softc *) self;
const char *intrstr = NULL;
struct mixer_ctrl ctl;
pci_chipset_tag_t pc = pa->pa_pc;
pcitag_t pt = pa->pa_tag;
pci_intr_handle_t ih;
bus_size_t iosize;
pcireg_t pr;
int r, i;
sc->sc_play.sc_base = AUVIA_PLAY_BASE;
sc->sc_record.sc_base = AUVIA_RECORD_BASE;
if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_VIATECH_VT8233_AC97) {
sc->sc_flags |= AUVIA_FLAGS_VT8233;
sc->sc_play.sc_base = VIA8233_MP_BASE;
sc->sc_record.sc_base = VIA8233_WR_BASE;
}
if (pci_mapreg_map(pa, 0x10, PCI_MAPREG_TYPE_IO, 0, &sc->sc_iot,
&sc->sc_ioh, NULL, &iosize, 0)) {
printf(": can't map i/o space\n");
return;
}
sc->sc_dmat = pa->pa_dmat;
sc->sc_pc = pc;
sc->sc_pt = pt;
if (pci_intr_map(pa, &ih)) {
printf(": couldn't map interrupt\n");
bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
return;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auvia_intr, sc,
sc->sc_dev.dv_xname);
if (sc->sc_ih == NULL) {
printf(": couldn't establish interrupt");
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
return;
}
printf(": %s\n", intrstr);
/* disable SBPro compat & others */
pr = pci_conf_read(pc, pt, AUVIA_PCICONF_JUNK);
pr &= ~AUVIA_PCICONF_ENABLES; /* clear compat function enables */
/* XXX what to do about MIDI, FM, joystick? */
pr |= (AUVIA_PCICONF_ACLINKENAB | AUVIA_PCICONF_ACNOTRST |
AUVIA_PCICONF_ACVSR | AUVIA_PCICONF_ACSGD);
pr &= ~(AUVIA_PCICONF_ACFM | AUVIA_PCICONF_ACSB);
pci_conf_write(pc, pt, AUVIA_PCICONF_JUNK, pr);
sc->host_if.arg = sc;
sc->host_if.attach = auvia_attach_codec;
sc->host_if.read = auvia_read_codec;
sc->host_if.write = auvia_write_codec;
sc->host_if.reset = auvia_reset_codec;
sc->host_if.spdif_event = auvia_spdif_event;
if ((r = ac97_attach(&sc->host_if)) != 0) {
printf("%s: can't attach codec (error 0x%X)\n",
sc->sc_dev.dv_xname, r);
pci_intr_disestablish(pc, sc->sc_ih);
bus_space_unmap(sc->sc_iot, sc->sc_ioh, iosize);
return;
}
/* disable mutes */
for (i = 0; i < 4; i++) {
static struct {
char *class, *device;
} d[] = {
{ AudioCoutputs, AudioNmaster},
{ AudioCinputs, AudioNdac},
{ AudioCinputs, AudioNcd},
{ AudioCrecord, AudioNvolume},
};
ctl.type = AUDIO_MIXER_ENUM;
ctl.un.ord = 0;
ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if,
d[i].class, d[i].device, AudioNmute);
auvia_set_port(sc, &ctl);
}
/* set a reasonable default volume */
ctl.type = AUDIO_MIXER_VALUE;
ctl.un.value.num_channels = 2;
ctl.un.value.level[AUDIO_MIXER_LEVEL_LEFT] = \
ctl.un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 199;
ctl.dev = sc->codec_if->vtbl->get_portnum_by_name(sc->codec_if,
AudioCoutputs, AudioNmaster, NULL);
auvia_set_port(sc, &ctl);
audio_attach_mi(&auvia_hw_if, sc, &sc->sc_dev);
sc->codec_if->vtbl->unlock(sc->codec_if);
}
int
auvia_attach_codec(void *addr, struct ac97_codec_if *cif)
{
struct auvia_softc *sc = addr;
sc->codec_if = cif;
return 0;
}
void
auvia_reset_codec(void *addr)
{
int i;
struct auvia_softc *sc = addr;
pcireg_t r;
/* perform a codec cold reset */
r = pci_conf_read(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK);
r &= ~AUVIA_PCICONF_ACNOTRST; /* enable RESET (active low) */
pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
delay(2);
r |= AUVIA_PCICONF_ACNOTRST; /* disable RESET (inactive high) */
pci_conf_write(sc->sc_pc, sc->sc_pt, AUVIA_PCICONF_JUNK, r);
delay(200);
for (i = 500000; i != 0 && !(pci_conf_read(sc->sc_pc, sc->sc_pt,
AUVIA_PCICONF_JUNK) & AUVIA_PCICONF_PRIVALID); i--)
DELAY(1);
if (i == 0)
printf("%s: codec reset timed out\n", sc->sc_dev.dv_xname);
}
int
auvia_waitready_codec(struct auvia_softc *sc)
{
int i;
/* poll until codec not busy */
for (i = 0; (i < TIMEOUT) && (bus_space_read_4(sc->sc_iot, sc->sc_ioh,
AUVIA_CODEC_CTL) & AUVIA_CODEC_BUSY); i++)
delay(1);
if (i >= TIMEOUT) {
printf("%s: codec busy\n", sc->sc_dev.dv_xname);
return 1;
}
return 0;
}
int
auvia_waitvalid_codec(struct auvia_softc *sc)
{
int i;
/* poll until codec valid */
for (i = 0; (i < TIMEOUT) && !(bus_space_read_4(sc->sc_iot, sc->sc_ioh,
AUVIA_CODEC_CTL) & AUVIA_CODEC_PRIVALID); i++)
delay(1);
if (i >= TIMEOUT) {
printf("%s: codec invalid\n", sc->sc_dev.dv_xname);
return 1;
}
return 0;
}
int
auvia_write_codec(void *addr, u_int8_t reg, u_int16_t val)
{
struct auvia_softc *sc = addr;
if (auvia_waitready_codec(sc))
return 1;
bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
AUVIA_CODEC_PRIVALID | AUVIA_CODEC_INDEX(reg) | val);
return 0;
}
int
auvia_read_codec(void *addr, u_int8_t reg, u_int16_t *val)
{
struct auvia_softc *sc = addr;
if (auvia_waitready_codec(sc))
return 1;
bus_space_write_4(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL,
AUVIA_CODEC_PRIVALID | AUVIA_CODEC_READ | AUVIA_CODEC_INDEX(reg));
if (auvia_waitready_codec(sc))
return 1;
if (auvia_waitvalid_codec(sc))
return 1;
*val = bus_space_read_2(sc->sc_iot, sc->sc_ioh, AUVIA_CODEC_CTL);
return 0;
}
void
auvia_spdif_event(void *addr, int flag)
{
struct auvia_softc *sc = addr;
sc->sc_spdif = flag;
}
int
auvia_open(void *addr, int flags)
{
struct auvia_softc *sc = addr;
sc->codec_if->vtbl->lock(sc->codec_if);
return 0;
}
void
auvia_close(void *addr)
{
struct auvia_softc *sc = addr;
sc->codec_if->vtbl->unlock(sc->codec_if);
auvia_halt_output(sc);
auvia_halt_input(sc);
sc->sc_play.sc_intr = NULL;
sc->sc_record.sc_intr = NULL;
}
int
auvia_query_encoding(void *addr, struct audio_encoding *fp)
{
struct auvia_softc *sc = addr;
if (sc->sc_spdif) {
switch (fp->index) {
case 0:
strlcpy(fp->name, AudioEslinear_le, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
fp->precision = 16;
fp->flags = 0;
return (0);
default:
return (EINVAL);
}
} else {
switch (fp->index) {
case 0:
strlcpy(fp->name, AudioEulinear, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ULINEAR;
fp->precision = 8;
fp->flags = 0;
return (0);
case 1:
strlcpy(fp->name, AudioEmulaw, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ULAW;
fp->precision = 8;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
return (0);
case 2:
strlcpy(fp->name, AudioEalaw, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ALAW;
fp->precision = 8;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
return (0);
case 3:
strlcpy(fp->name, AudioEslinear, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_SLINEAR;
fp->precision = 8;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
return (0);
case 4:
strlcpy(fp->name, AudioEslinear_le, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
fp->precision = 16;
fp->flags = 0;
return (0);
case 5:
strlcpy(fp->name, AudioEulinear_le, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
fp->precision = 16;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
return (0);
case 6:
strlcpy(fp->name, AudioEslinear_be, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
fp->precision = 16;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
return (0);
case 7:
strlcpy(fp->name, AudioEulinear_be, sizeof fp->name);
fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
fp->precision = 16;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
return (0);
default:
return (EINVAL);
}
}
}
void
auvia_set_params_sub(struct auvia_softc *sc, struct auvia_softc_chan *ch,
struct audio_params *p)
{
u_int32_t v;
u_int16_t regval;
if (!(sc->sc_flags & AUVIA_FLAGS_VT8233)) {
regval = (p->channels == 2 ? AUVIA_RPMODE_STEREO : 0)
| (p->precision * p->factor == 16 ?
AUVIA_RPMODE_16BIT : 0)
| AUVIA_RPMODE_INTR_FLAG | AUVIA_RPMODE_INTR_EOL
| AUVIA_RPMODE_AUTOSTART;
ch->sc_reg = regval;
} else if (ch->sc_base != VIA8233_MP_BASE) {
v = CH_READ4(sc, ch, VIA8233_RP_RATEFMT);
v &= ~(VIA8233_RATEFMT_48K | VIA8233_RATEFMT_STEREO
| VIA8233_RATEFMT_16BIT);
v |= VIA8233_RATEFMT_48K * (p->sample_rate / 20)
/ (48000 / 20);
if (p->channels == 2)
v |= VIA8233_RATEFMT_STEREO;
if (p->precision == 16)
v |= VIA8233_RATEFMT_16BIT;
CH_WRITE4(sc, ch, VIA8233_RP_RATEFMT, v);
} else {
static const u_int32_t slottab[7] =
{ 0, 0xff000011, 0xff000021, 0,
0xff004321, 0, 0xff436521};
regval = (p->precision == 16
? VIA8233_MP_FORMAT_16BIT : VIA8233_MP_FORMAT_8BIT)
| (p->channels << 4);
CH_WRITE1(sc, ch, VIA8233_OFF_MP_FORMAT, regval);
CH_WRITE4(sc, ch, VIA8233_OFF_MP_STOP, slottab[p->channels]);
}
}
void
auvia_get_default_params(void *addr, int mode, struct audio_params *params)
{
ac97_get_default_params(params);
}
int
auvia_set_params(void *addr, int setmode, int usemode,
struct audio_params *play, struct audio_params *rec)
{
struct auvia_softc *sc = addr;
struct auvia_softc_chan *ch;
struct audio_params *p;
struct ac97_codec_if* codec = sc->codec_if;
int reg, mode;
u_int16_t ext_id;
/* for mode in (RECORD, PLAY) */
for (mode = AUMODE_RECORD; mode != -1;
mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
if ((setmode & mode) == 0)
continue;
if (mode == AUMODE_PLAY) {
p = play;
ch = &sc->sc_play;
reg = AC97_REG_PCM_FRONT_DAC_RATE;
} else {
p = rec;
ch = &sc->sc_record;
reg = AC97_REG_PCM_LR_ADC_RATE;
}
if (ch->sc_base == VIA8233_MP_BASE && mode == AUMODE_PLAY) {
ext_id = codec->vtbl->get_caps(codec);
if (p->channels == 1) {
/* ok */
} else if (p->channels == 2) {
/* ok */
} else if (p->channels == 4
&& ext_id & AC97_EXT_AUDIO_SDAC) {
/* ok */
} else if (p->channels == 6
&& (ext_id & AC97_BITS_6CH) == AC97_BITS_6CH) {
/* ok */
} else {
p->channels = 2;
}
} else {
if (p->channels > 2)
p->channels = 2;
}
if (p->sample_rate < 4000)
p->sample_rate = 4000;
if (p->sample_rate > 48000)
p->sample_rate = 48000;
if (p->precision > 16)
p->precision = 16;
/* XXX only 16-bit 48kHz slinear_le if s/pdif enabled ? */
if (sc->sc_spdif) {
p->sample_rate = 48000;
p->precision = 16;
p->encoding = AUDIO_ENCODING_SLINEAR_LE;
}
/* XXX only 16-bit 48kHz slinear_le if s/pdif enabled ? */
if (sc->sc_spdif &&
((p->sample_rate != 48000) || (p->precision != 16) ||
(p->encoding != AUDIO_ENCODING_SLINEAR_LE)))
return (EINVAL);
if (AC97_IS_FIXED_RATE(codec)) {
p->sample_rate = AC97_SINGLE_RATE;
} else {
if (codec->vtbl->set_rate(codec, reg, &p->sample_rate))
return (EINVAL);
if (ch->sc_base == VIA8233_MP_BASE &&
mode == AUMODE_PLAY) {
reg = AC97_REG_PCM_SURR_DAC_RATE;
if (p->channels >= 4
&& codec->vtbl->set_rate(codec, reg,
&p->sample_rate))
return (EINVAL);
reg = AC97_REG_PCM_LFE_DAC_RATE;
if (p->channels == 6
&& codec->vtbl->set_rate(codec, reg,
&p->sample_rate))
return (EINVAL);
}
}
p->factor = 1;
p->sw_code = 0;
switch (p->encoding) {
case AUDIO_ENCODING_SLINEAR_BE:
if (p->precision == 16)
p->sw_code = swap_bytes;
else
p->sw_code = change_sign8;
break;
case AUDIO_ENCODING_SLINEAR_LE:
if (p->precision != 16)
p->sw_code = change_sign8;
break;
case AUDIO_ENCODING_ULINEAR_BE:
if (p->precision == 16)
p->sw_code = mode == AUMODE_PLAY?
swap_bytes_change_sign16_le :
change_sign16_swap_bytes_le;
break;
case AUDIO_ENCODING_ULINEAR_LE:
if (p->precision == 16)
p->sw_code = change_sign16_le;
break;
case AUDIO_ENCODING_ULAW:
if (mode == AUMODE_PLAY) {
p->factor = 2;
p->sw_code = mulaw_to_slinear16_le;
} else
p->sw_code = ulinear8_to_mulaw;
break;
case AUDIO_ENCODING_ALAW:
if (mode == AUMODE_PLAY) {
p->factor = 2;
p->sw_code = alaw_to_slinear16_le;
} else
p->sw_code = ulinear8_to_alaw;
break;
case AUDIO_ENCODING_SLINEAR:
case AUDIO_ENCODING_ULINEAR:
break;
default:
return (EINVAL);
}
auvia_set_params_sub(sc, ch, p);
}
return 0;
}
int
auvia_round_blocksize(void *addr, int blk)
{
struct auvia_softc *sc = addr;
if (sc->bufsize / blk > AUVIA_DMALIST_MAX)
blk = sc->bufsize / AUVIA_DMALIST_MAX + 1;
return ((blk + 31) & -32);
}
int
auvia_halt_output(void *addr)
{
struct auvia_softc *sc = addr;
struct auvia_softc_chan *ch = &(sc->sc_play);
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
ch->sc_intr = NULL;
return 0;
}
int
auvia_halt_input(void *addr)
{
struct auvia_softc *sc = addr;
struct auvia_softc_chan *ch = &(sc->sc_record);
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_TERMINATE);
ch->sc_intr = NULL;
return 0;
}
int
auvia_getdev(void *addr, struct audio_device *retp)
{
struct auvia_softc *sc = addr;
if (retp) {
strncpy(retp->name,
sc->sc_flags & AUVIA_FLAGS_VT8233? "VIA VT8233" :
"VIA VT82C686A", sizeof(retp->name));
strncpy(retp->version, sc->sc_revision, sizeof(retp->version));
strncpy(retp->config, "auvia", sizeof(retp->config));
}
return 0;
}
int
auvia_set_port(void *addr, mixer_ctrl_t *cp)
{
struct auvia_softc *sc = addr;
return (sc->codec_if->vtbl->mixer_set_port(sc->codec_if, cp));
}
int
auvia_get_port(void *addr, mixer_ctrl_t *cp)
{
struct auvia_softc *sc = addr;
return (sc->codec_if->vtbl->mixer_get_port(sc->codec_if, cp));
}
int
auvia_query_devinfo(void *addr, mixer_devinfo_t *dip)
{
struct auvia_softc *sc = addr;
return (sc->codec_if->vtbl->query_devinfo(sc->codec_if, dip));
}
void *
auvia_malloc(void *addr, int direction, size_t size, int pool, int flags)
{
struct auvia_softc *sc = addr;
struct auvia_dma *p;
int error;
int rseg;
p = malloc(sizeof(*p), pool, flags);
if (!p)
return 0;
p->size = size;
if ((error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &p->seg,
1, &rseg, BUS_DMA_NOWAIT)) != 0) {
printf("%s: unable to allocate dma, error = %d\n",
sc->sc_dev.dv_xname, error);
goto fail_alloc;
}
if ((error = bus_dmamem_map(sc->sc_dmat, &p->seg, rseg, size, &p->addr,
BUS_DMA_NOWAIT | BUS_DMA_COHERENT)) != 0) {
printf("%s: unable to map dma, error = %d\n",
sc->sc_dev.dv_xname, error);
goto fail_map;
}
if ((error = bus_dmamap_create(sc->sc_dmat, size, 1, size, 0,
BUS_DMA_NOWAIT, &p->map)) != 0) {
printf("%s: unable to create dma map, error = %d\n",
sc->sc_dev.dv_xname, error);
goto fail_create;
}
if ((error = bus_dmamap_load(sc->sc_dmat, p->map, p->addr, size, NULL,
BUS_DMA_NOWAIT)) != 0) {
printf("%s: unable to load dma map, error = %d\n",
sc->sc_dev.dv_xname, error);
goto fail_load;
}
p->next = sc->sc_dmas;
sc->sc_dmas = p;
return p->addr;
fail_load:
bus_dmamap_destroy(sc->sc_dmat, p->map);
fail_create:
bus_dmamem_unmap(sc->sc_dmat, p->addr, size);
fail_map:
bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
fail_alloc:
free(p, pool);
return 0;
}
void
auvia_free(void *addr, void *ptr, int pool)
{
struct auvia_softc *sc = addr;
struct auvia_dma **pp, *p;
for (pp = &(sc->sc_dmas); (p = *pp) != NULL; pp = &p->next)
if (p->addr == ptr) {
bus_dmamap_unload(sc->sc_dmat, p->map);
bus_dmamap_destroy(sc->sc_dmat, p->map);
bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
bus_dmamem_free(sc->sc_dmat, &p->seg, 1);
*pp = p->next;
free(p, pool);
return;
}
panic("auvia_free: trying to free unallocated memory");
}
size_t
auvia_round_buffersize(void *addr, int direction, size_t bufsize)
{
struct auvia_softc *sc = addr;
sc->bufsize = bufsize;
return bufsize;
}
paddr_t
auvia_mappage(void *addr, void *mem, off_t off, int prot)
{
struct auvia_softc *sc = addr;
struct auvia_dma *p;
if (off < 0)
return -1;
for (p = sc->sc_dmas; p && p->addr != mem; p = p->next)
;
if (!p)
return -1;
return bus_dmamem_mmap(sc->sc_dmat, &p->seg, 1, off, prot,
BUS_DMA_WAITOK);
}
int
auvia_get_props(void *addr)
{
int props;
props = AUDIO_PROP_MMAP|AUDIO_PROP_INDEPENDENT|AUDIO_PROP_FULLDUPLEX;
return props;
}
int
auvia_build_dma_ops(struct auvia_softc *sc, struct auvia_softc_chan *ch,
struct auvia_dma *p, void *start, void *end, int blksize)
{
struct auvia_dma_op *op;
struct auvia_dma *dp;
bus_addr_t s;
size_t l;
int segs;
s = p->map->dm_segs[0].ds_addr;
l = (vaddr_t)end - (vaddr_t)start;
segs = howmany(l, blksize);
if (segs > AUVIA_DMALIST_MAX) {
panic("%s: build_dma_ops: too many DMA segments",
sc->sc_dev.dv_xname);
}
if (segs > ch->sc_dma_op_count) {
/* if old list was too small, free it */
if (ch->sc_dma_ops)
auvia_free(sc, ch->sc_dma_ops, M_DEVBUF);
ch->sc_dma_ops = auvia_malloc(sc, 0,
sizeof(struct auvia_dma_op) * segs, M_DEVBUF, M_WAITOK);
for (dp = sc->sc_dmas; dp &&
dp->addr != (void *)(ch->sc_dma_ops); dp = dp->next)
;
if (!dp)
panic("%s: build_dma_ops: where'd my memory go??? "
"address (%p)", sc->sc_dev.dv_xname,
ch->sc_dma_ops);
ch->sc_dma_op_count = segs;
ch->sc_dma_ops_dma = dp;
}
op = ch->sc_dma_ops;
while (l) {
op->ptr = htole32(s);
l = l - min(l, blksize);
/* if last block */
op->flags = htole32((l? AUVIA_DMAOP_FLAG : AUVIA_DMAOP_EOL) | blksize);
s += blksize;
op++;
}
return 0;
}
int
auvia_trigger_output(void *addr, void *start, void *end, int blksize,
void (*intr)(void *), void *arg, struct audio_params *param)
{
struct auvia_softc *sc = addr;
struct auvia_softc_chan *ch = &(sc->sc_play);
struct auvia_dma *p;
for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
;
if (!p)
panic("auvia_trigger_output: request with bad start "
"address (%p)", start);
if (auvia_build_dma_ops(sc, ch, p, start, end, blksize)) {
return 1;
}
ch->sc_intr = intr;
ch->sc_arg = arg;
CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
if (ch->sc_base != VIA8233_MP_BASE) {
CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
}
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
} else {
CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
}
return 0;
}
int
auvia_trigger_input(void *addr, void *start, void *end, int blksize,
void (*intr)(void *), void *arg, struct audio_params *param)
{
struct auvia_softc *sc = addr;
struct auvia_softc_chan *ch = &(sc->sc_record);
struct auvia_dma *p;
for (p = sc->sc_dmas; p && p->addr != start; p = p->next)
;
if (!p)
panic("auvia_trigger_input: request with bad start "
"address (%p)", start);
if (auvia_build_dma_ops(sc, ch, p, start, end, blksize))
return 1;
ch->sc_intr = intr;
ch->sc_arg = arg;
CH_WRITE4(sc, ch, AUVIA_RP_DMAOPS_BASE,
ch->sc_dma_ops_dma->map->dm_segs[0].ds_addr);
if (sc->sc_flags & AUVIA_FLAGS_VT8233) {
if (ch->sc_base != VIA8233_MP_BASE) {
CH_WRITE1(sc, ch, VIA8233_RP_DXS_LVOL, 0);
CH_WRITE1(sc, ch, VIA8233_RP_DXS_RVOL, 0);
}
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL,
AUVIA_RPCTRL_START | AUVIA_RPCTRL_AUTOSTART |
AUVIA_RPCTRL_STOP | AUVIA_RPCTRL_EOL | AUVIA_RPCTRL_FLAG);
} else {
CH_WRITE1(sc, ch, AUVIA_RP_MODE, ch->sc_reg);
CH_WRITE1(sc, ch, AUVIA_RP_CONTROL, AUVIA_RPCTRL_START);
}
return 0;
}
int
auvia_intr(void *arg)
{
struct auvia_softc *sc = arg;
struct auvia_softc_chan *ch;
u_int8_t r;
int i = 0;
ch = &sc->sc_record;
r = CH_READ1(sc, ch, AUVIA_RP_STAT);
if (r & AUVIA_RPSTAT_INTR) {
if (sc->sc_record.sc_intr)
sc->sc_record.sc_intr(sc->sc_record.sc_arg);
/* clear interrupts */
CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
i++;
}
ch = &sc->sc_play;
r = CH_READ1(sc, ch, AUVIA_RP_STAT);
if (r & AUVIA_RPSTAT_INTR) {
if (sc->sc_play.sc_intr)
sc->sc_play.sc_intr(sc->sc_play.sc_arg);
/* clear interrupts */
CH_WRITE1(sc, ch, AUVIA_RP_STAT, AUVIA_RPSTAT_INTR);
i++;
}
return (i? 1 : 0);
}