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NetBSD/sys/dev/pci/autri.c

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/* $NetBSD: autri.c,v 1.5 2002/05/30 17:04:13 someya Exp $ */
/*
* Copyright (c) 2001 SOMEYA Yoshihiko and KUROSAWA Takahiro.
* 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.
*/
/*
* Trident 4DWAVE-DX/NX, SiS 7018, ALi M5451 Sound Driver
*
* The register information is taken from the ALSA driver.
*
* Documentation links:
* - ftp://ftp.alsa-project.org/pub/manuals/trident/
*/
#include "midi.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/fcntl.h>
#include <sys/malloc.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <dev/pci/pcidevs.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <sys/audioio.h>
#include <dev/audio_if.h>
#include <dev/midi_if.h>
#include <dev/mulaw.h>
#include <dev/auconv.h>
#include <dev/ic/ac97reg.h>
#include <dev/ic/ac97var.h>
#include <dev/ic/mpuvar.h>
#include <machine/bus.h>
#include <machine/intr.h>
#include <dev/pci/autrireg.h>
#include <dev/pci/autrivar.h>
#ifdef AUDIO_DEBUG
# define DPRINTF(x) if (autridebug) printf x
# define DPRINTFN(n,x) if (autridebug > (n)) printf x
int autridebug = 0;
#else
# define DPRINTF(x)
# define DPRINTFN(n,x)
#endif
int autri_match(struct device *, struct cfdata *, void *);
void autri_attach(struct device *, struct device *, void *);
int autri_intr(void *);
#define DMAADDR(p) ((p)->map->dm_segs[0].ds_addr)
#define KERNADDR(p) ((void *)((p)->addr))
int autri_allocmem(struct autri_softc *, size_t,
size_t, struct autri_dma *);
int autri_freemem(struct autri_softc *, struct autri_dma *);
#define TWRITE1(sc, r, x) bus_space_write_1((sc)->memt, (sc)->memh, (r), (x))
#define TWRITE2(sc, r, x) bus_space_write_2((sc)->memt, (sc)->memh, (r), (x))
#define TWRITE4(sc, r, x) bus_space_write_4((sc)->memt, (sc)->memh, (r), (x))
#define TREAD1(sc, r) bus_space_read_1((sc)->memt, (sc)->memh, (r))
#define TREAD2(sc, r) bus_space_read_2((sc)->memt, (sc)->memh, (r))
#define TREAD4(sc, r) bus_space_read_4((sc)->memt, (sc)->memh, (r))
static __inline void autri_reg_set_1(struct autri_softc *, int, uint8_t);
static __inline void autri_reg_clear_1(struct autri_softc *, int, uint8_t);
static __inline void autri_reg_set_4(struct autri_softc *, int, uint32_t);
static __inline void autri_reg_clear_4(struct autri_softc *, int, uint32_t);
int autri_attach_codec(void *sc, struct ac97_codec_if *);
int autri_read_codec(void *sc, u_int8_t a, u_int16_t *d);
int autri_write_codec(void *sc, u_int8_t a, u_int16_t d);
void autri_reset_codec(void *sc);
static void autri_powerhook(int why,void *addr);
static int autri_init(void *sc);
static struct autri_dma *autri_find_dma(struct autri_softc *, void *);
static void autri_setup_channel(struct autri_softc *sc,int mode,
struct audio_params *param);
static void autri_enable_interrupt(struct autri_softc *sc, int ch);
static void autri_disable_interrupt(struct autri_softc *sc, int ch);
static void autri_startch(struct autri_softc *sc, int ch, int ch_intr);
static void autri_stopch(struct autri_softc *sc, int ch, int ch_intr);
static void autri_enable_loop_interrupt(void *sc);
#if 0
static void autri_disable_loop_interrupt(void *sc);
#endif
struct cfattach autri_ca = {
sizeof(struct autri_softc), autri_match, autri_attach
};
int autri_open(void *, int);
void autri_close(void *);
int autri_query_encoding(void *, struct audio_encoding *);
int autri_set_params(void *, int, int,
struct audio_params *, struct audio_params *);
int autri_round_blocksize(void *, int);
int autri_trigger_output(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
int autri_trigger_input(void *, void *, void *, int, void (*)(void *),
void *, struct audio_params *);
int autri_halt_output(void *);
int autri_halt_input(void *);
int autri_getdev(void *, struct audio_device *);
int autri_mixer_set_port(void *, mixer_ctrl_t *);
int autri_mixer_get_port(void *, mixer_ctrl_t *);
void* autri_malloc(void *, int, size_t, int, int);
void autri_free(void *, void *, int);
size_t autri_round_buffersize(void *, int, size_t);
paddr_t autri_mappage(void *, void *, off_t, int);
int autri_get_props(void *);
int autri_query_devinfo(void *addr, mixer_devinfo_t *dip);
int autri_get_portnum_by_name(struct autri_softc *, char *, char *, char *);
static struct audio_hw_if autri_hw_if = {
autri_open,
autri_close,
NULL, /* drain */
autri_query_encoding,
autri_set_params,
autri_round_blocksize,
NULL, /* commit_settings */
NULL, /* init_output */
NULL, /* init_input */
NULL, /* start_output */
NULL, /* start_input */
autri_halt_output,
autri_halt_input,
NULL, /* speaker_ctl */
autri_getdev,
NULL, /* setfd */
autri_mixer_set_port,
autri_mixer_get_port,
autri_query_devinfo,
autri_malloc,
autri_free,
autri_round_buffersize,
autri_mappage,
autri_get_props,
autri_trigger_output,
autri_trigger_input,
NULL, /* dev_ioctl */
};
#if NMIDI > 0
void autri_midi_close(void *);
void autri_midi_getinfo(void *, struct midi_info *);
int autri_midi_open(void *, int, void (*)(void *, int),
void (*)(void *), void *);
int autri_midi_output(void *, int);
struct midi_hw_if autri_midi_hw_if = {
autri_midi_open,
autri_midi_close,
autri_midi_output,
autri_midi_getinfo,
NULL, /* ioctl */
};
#endif
/*
* register set/clear bit
*/
static __inline void
autri_reg_set_1(struct autri_softc *sc, int no, uint8_t mask)
{
bus_space_write_1(sc->memt, sc->memh, no,
(bus_space_read_1(sc->memt, sc->memh, no) | mask));
}
static __inline void
autri_reg_clear_1(struct autri_softc *sc, int no, uint8_t mask)
{
bus_space_write_1(sc->memt, sc->memh, no,
(bus_space_read_1(sc->memt, sc->memh, no) & ~mask));
}
static __inline void
autri_reg_set_4(struct autri_softc *sc, int no, uint32_t mask)
{
bus_space_write_4(sc->memt, sc->memh, no,
(bus_space_read_4(sc->memt, sc->memh, no) | mask));
}
static __inline void
autri_reg_clear_4(struct autri_softc *sc, int no, uint32_t mask)
{
bus_space_write_4(sc->memt, sc->memh, no,
(bus_space_read_4(sc->memt, sc->memh, no) & ~mask));
}
/*
* AC'97 codec
*/
int
autri_attach_codec(void *sc_, struct ac97_codec_if *codec_if)
{
struct autri_codec_softc *sc = sc_;
DPRINTF(("autri_attach_codec()\n"));
sc->codec_if = codec_if;
return 0;
}
int
autri_read_codec(void *sc_, u_int8_t index, u_int16_t *data)
{
struct autri_codec_softc *codec = sc_;
struct autri_softc *sc = codec->sc;
u_int32_t status, addr, cmd, busy;
u_int16_t count;
/*DPRINTF(("sc->sc->type : 0x%X",sc->sc->type));*/
switch (sc->sc_devid) {
case AUTRI_DEVICE_ID_4DWAVE_DX:
addr = AUTRI_DX_ACR1;
cmd = AUTRI_DX_ACR1_CMD_READ;
busy = AUTRI_DX_ACR1_BUSY_READ;
break;
case AUTRI_DEVICE_ID_4DWAVE_NX:
addr = AUTRI_NX_ACR2;
cmd = AUTRI_NX_ACR2_CMD_READ;
busy = AUTRI_NX_ACR2_BUSY_READ | AUTRI_NX_ACR2_RECV_WAIT;
break;
case AUTRI_DEVICE_ID_SIS_7018:
addr = AUTRI_SIS_ACRD;
cmd = AUTRI_SIS_ACRD_CMD_READ;
busy = AUTRI_SIS_ACRD_BUSY_READ | AUTRI_SIS_ACRD_AUDIO_BUSY;
break;
case AUTRI_DEVICE_ID_ALI_M5451:
if (sc->sc_revision > 0x01)
addr = AUTRI_ALI_ACWR;
else
addr = AUTRI_ALI_ACRD;
cmd = AUTRI_ALI_ACRD_CMD_READ;
busy = AUTRI_ALI_ACRD_BUSY_READ;
break;
default:
printf("%s: autri_read_codec : unknown device\n",
sc->sc_dev.dv_xname);
return -1;
}
/* wait for 'Ready to Read' */
for (count=0; count<0xffff; count++) {
if ((TREAD4(sc, addr) & busy) == 0)
break;
}
if (count == 0xffff) {
printf("%s: Codec timeout. Busy reading AC'97 codec.\n",
sc->sc_dev.dv_xname);
return -1;
}
/* send Read Command to AC'97 */
TWRITE4(sc, addr, (index & 0x7f) | cmd);
/* wait for 'Returned data is avalable' */
for (count=0; count<0xffff; count++) {
status = TREAD4(sc, addr);
if ((status & busy) == 0)
break;
}
if (count == 0xffff) {
printf("%s: Codec timeout. Busy reading AC'97 codec.\n",
sc->sc_dev.dv_xname);
return -1;
}
*data = (status >> 16) & 0x0000ffff;
/*DPRINTF(("autri_read_codec(0x%X) return 0x%X\n",reg,*data));*/
return 0;
}
int
autri_write_codec(void *sc_, u_int8_t index, u_int16_t data)
{
struct autri_codec_softc *codec = sc_;
struct autri_softc *sc = codec->sc;
u_int32_t addr, cmd, busy;
u_int16_t count;
/*DPRINTF(("autri_write_codec(0x%X,0x%X)\n",index,data));*/
switch (sc->sc_devid) {
case AUTRI_DEVICE_ID_4DWAVE_DX:
addr = AUTRI_DX_ACR0;
cmd = AUTRI_DX_ACR0_CMD_WRITE;
busy = AUTRI_DX_ACR0_BUSY_WRITE;
break;
case AUTRI_DEVICE_ID_4DWAVE_NX:
addr = AUTRI_NX_ACR1;
cmd = AUTRI_NX_ACR1_CMD_WRITE;
busy = AUTRI_NX_ACR1_BUSY_WRITE;
break;
case AUTRI_DEVICE_ID_SIS_7018:
addr = AUTRI_SIS_ACWR;
cmd = AUTRI_SIS_ACWR_CMD_WRITE;
busy = AUTRI_SIS_ACWR_BUSY_WRITE | AUTRI_SIS_ACWR_AUDIO_BUSY;
break;
case AUTRI_DEVICE_ID_ALI_M5451:
addr = AUTRI_ALI_ACWR;
cmd = AUTRI_ALI_ACWR_CMD_WRITE;
if (sc->sc_revision > 0x01)
cmd |= 0x0100;
busy = AUTRI_ALI_ACWR_BUSY_WRITE;
break;
default:
printf("%s: autri_write_codec : unknown device.\n",
sc->sc_dev.dv_xname);
return -1;
}
/* wait for 'Ready to Write' */
for (count=0; count<0xffff; count++) {
if ((TREAD4(sc, addr) & busy) == 0)
break;
}
if (count == 0xffff) {
printf("%s: Codec timeout. Busy writing AC'97 codec\n",
sc->sc_dev.dv_xname);
return -1;
}
/* send Write Command to AC'97 */
TWRITE4(sc, addr, (data << 16) | (index & 0x7f) | cmd);
return 0;
}
void
autri_reset_codec(void *sc_)
{
struct autri_codec_softc *codec = sc_;
struct autri_softc *sc = codec->sc;
u_int32_t reg, ready;
int addr, count = 200;
DPRINTF(("autri_reset_codec(codec=%p,sc=%p)\n",codec,sc));
DPRINTF(("sc->sc_devid=%X\n",sc->sc_devid));
switch (sc->sc_devid) {
case AUTRI_DEVICE_ID_4DWAVE_DX:
/* warm reset AC'97 codec */
autri_reg_set_4(sc, AUTRI_DX_ACR2, 1);
delay(100);
/* release reset */
autri_reg_clear_4(sc, AUTRI_DX_ACR2, 1);
delay(100);
addr = AUTRI_DX_ACR2;
ready = AUTRI_DX_ACR2_CODEC_READY;
break;
case AUTRI_DEVICE_ID_4DWAVE_NX:
/* warm reset AC'97 codec */
autri_reg_set_4(sc, AUTRI_NX_ACR0, 1);
delay(100);
/* release reset */
autri_reg_clear_4(sc, AUTRI_NX_ACR0, 1);
delay(100);
addr = AUTRI_NX_ACR0;
ready = AUTRI_NX_ACR0_CODEC_READY;
break;
case AUTRI_DEVICE_ID_SIS_7018:
/* cold reset AC'97 codec */
autri_reg_set_4(sc, AUTRI_SIS_SCTRL, 2);
delay(1000);
/* release reset (warm & cold) */
autri_reg_clear_4(sc, AUTRI_SIS_SCTRL, 3);
delay(2000);
addr = AUTRI_SIS_SCTRL;
ready = AUTRI_SIS_SCTRL_CODEC_READY;
break;
case AUTRI_DEVICE_ID_ALI_M5451:
/* warm reset AC'97 codec */
autri_reg_set_4(sc, AUTRI_ALI_SCTRL, 1);
delay(100);
/* release reset (warm & cold) */
autri_reg_clear_4(sc, AUTRI_ALI_SCTRL, 3);
delay(100);
addr = AUTRI_ALI_SCTRL;
ready = AUTRI_ALI_SCTRL_CODEC_READY;
break;
}
/* wait for 'Codec Ready' */
while (count--) {
reg = TREAD4(sc, addr);
if (reg & ready)
break;
delay(1000);
}
if (count == 0)
printf("%s: Codec timeout. AC'97 is not ready for operation.\n",
sc->sc_dev.dv_xname);
}
/*
*
*/
int
autri_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
switch (PCI_VENDOR(pa->pa_id)) {
case PCI_VENDOR_TRIDENT:
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_TRIDENT_4DWAVE_DX:
case PCI_PRODUCT_TRIDENT_4DWAVE_NX:
return 1;
}
break;
case PCI_VENDOR_SIS:
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_SIS_7018:
return 1;
}
break;
case PCI_VENDOR_ALI:
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_ALI_M5451:
return 1;
}
break;
}
return 0;
}
void
autri_attach(struct device *parent, struct device *self, void *aux)
{
struct autri_softc *sc = (struct autri_softc *)self;
struct pci_attach_args *pa = (struct pci_attach_args *)aux;
pci_chipset_tag_t pc = pa->pa_pc;
struct autri_codec_softc *codec;
pci_intr_handle_t ih;
char const *intrstr;
char devinfo[256];
mixer_ctrl_t ctl;
int i, r;
u_int32_t reg;
sc->sc_devid = pa->pa_id;
sc->sc_class = pa->pa_class;
pci_devinfo(pa->pa_id, pa->pa_class, 0, devinfo);
sc->sc_revision = PCI_REVISION(pa->pa_class);
printf(": %s (rev. 0x%02x)\n", devinfo, sc->sc_revision);
/* map register to memory */
if (pci_mapreg_map(pa, AUTRI_PCI_MEMORY_BASE,
PCI_MAPREG_TYPE_MEM, 0, &sc->memt, &sc->memh, NULL, NULL)) {
printf("%s: can't map memory space\n", sc->sc_dev.dv_xname);
return;
}
/* map and establish the interrupt */
if (pci_intr_map(pa, &ih)) {
printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname);
return;
}
intrstr = pci_intr_string(pc, ih);
sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, autri_intr, sc);
if (sc->sc_ih == NULL) {
printf("%s: couldn't establish interrupt",
sc->sc_dev.dv_xname);
if (intrstr != NULL)
printf(" at %s", intrstr);
printf("\n");
return;
}
printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr);
sc->sc_dmatag = pa->pa_dmat;
sc->sc_pc = pc;
sc->sc_pt = pa->pa_tag;
/* enable the device */
reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
reg |= (PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE);
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
/* initialize the device */
autri_init(sc);
/* attach AC'97 codec */
codec = &sc->sc_codec;
memcpy(&codec->sc_dev, &sc->sc_dev, sizeof(codec->sc_dev));
codec->sc = sc;
codec->host_if.arg = codec;
codec->host_if.attach = autri_attach_codec;
codec->host_if.reset = autri_reset_codec;
codec->host_if.read = autri_read_codec;
codec->host_if.write = autri_write_codec;
if ((r = ac97_attach(&codec->host_if)) != 0) {
printf("%s: can't attach codec (error 0x%X)\n",
sc->sc_dev.dv_xname, r);
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;
#if 0
ctl.dev = sc->sc_codec.codec_if->vtbl->get_portnum_by_name(sc->sc_codec.codec_if,
d[i].class, d[i].device, AudioNmute);
#endif
ctl.dev = autri_get_portnum_by_name(sc,d[i].class,
d[i].device, AudioNmute);
autri_mixer_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] = 127;
ctl.dev = autri_get_portnum_by_name(sc,AudioCoutputs,AudioNmaster,NULL);
autri_mixer_set_port(sc, &ctl);
audio_attach_mi(&autri_hw_if, sc, &sc->sc_dev);
#if NMIDI > 0
midi_attach_mi(&autri_midi_hw_if, sc, &sc->sc_dev);
#endif
sc->sc_old_power = PWR_RESUME;
powerhook_establish(autri_powerhook, sc);
}
static void
autri_powerhook(int why, void *addr)
{
struct autri_softc *sc = addr;
if (why == PWR_RESUME && sc->sc_old_power == PWR_SUSPEND) {
DPRINTF(("PWR_RESUME\n"));
autri_init(sc);
/*autri_reset_codec(&sc->sc_codec);*/
(sc->sc_codec.codec_if->vtbl->restore_ports)(sc->sc_codec.codec_if);
}
sc->sc_old_power = why;
}
int
autri_init(void *sc_)
{
struct autri_softc *sc = sc_;
u_int32_t reg;
pci_chipset_tag_t pc = sc->sc_pc;
pcitag_t pt = sc->sc_pt;
DPRINTF(("in autri_init()\n"));
DPRINTFN(5,("pci_conf_read(0x40) : 0x%X\n",pci_conf_read(pc,pt,0x40)));
DPRINTFN(5,("pci_conf_read(0x44) : 0x%X\n",pci_conf_read(pc,pt,0x44)));
switch (sc->sc_devid) {
case AUTRI_DEVICE_ID_4DWAVE_DX:
/* disable Legacy Control */
pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
delay(100);
/* audio engine reset */
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x00040000);
delay(100);
/* release reset */
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00040000);
delay(100);
/* DAC on */
autri_reg_set_4(sc,AUTRI_DX_ACR2,0x02);
break;
case AUTRI_DEVICE_ID_4DWAVE_NX:
/* disable Legacy Control */
pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
delay(100);
/* audio engine reset */
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x00010000);
delay(100);
/* release reset */
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00010000);
delay(100);
/* DAC on */
autri_reg_set_4(sc,AUTRI_NX_ACR0,0x02);
break;
case AUTRI_DEVICE_ID_SIS_7018:
/* disable Legacy Control */
pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
delay(100);
/* reset Digital Controller */
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x00040000);
delay(100);
/* release reset */
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00040000);
delay(100);
/* disable AC97 GPIO interrupt */
TWRITE1(sc, AUTRI_SIS_ACGPIO, 0);
/* enable 64 channel mode */
autri_reg_set_4(sc, AUTRI_LFO_GC_CIR, BANK_B_EN);
break;
case AUTRI_DEVICE_ID_ALI_M5451:
/* disable Legacy Control */
pci_conf_write(pc, pt, AUTRI_PCI_DDMA_CFG,0);
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & 0xffff0000);
delay(100);
/* reset Digital Controller */
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg | 0x000c0000);
delay(100);
/* release reset */
reg = pci_conf_read(pc, pt, AUTRI_PCI_LEGACY_IOBASE);
pci_conf_write(pc, pt, AUTRI_PCI_LEGACY_IOBASE, reg & ~0x00040000);
delay(100);
/* enable PCM input */
autri_reg_set_4(sc, AUTRI_ALI_GCONTROL, AUTRI_ALI_GCONTROL_PCM_IN);
break;
}
if (sc->sc_devid == AUTRI_DEVICE_ID_ALI_M5451) {
sc->sc_play.ch = 0;
sc->sc_play.ch_intr = 1;
sc->sc_rec.ch = 31;
sc->sc_rec.ch_intr = 2;
} else {
sc->sc_play.ch = 0x20;
sc->sc_play.ch_intr = 0x21;
sc->sc_rec.ch = 0x22;
sc->sc_rec.ch_intr = 0x23;
}
/* clear channel status */
TWRITE4(sc, AUTRI_STOP_A, 0xffffffff);
TWRITE4(sc, AUTRI_STOP_B, 0xffffffff);
/* disable channel interrupt */
TWRITE4(sc, AUTRI_AINTEN_A, 0);
TWRITE4(sc, AUTRI_AINTEN_B, 0);
#if 0
/* TLB */
if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX) {
TWRITE4(sc,AUTRI_NX_TLBC,0);
}
#endif
autri_enable_loop_interrupt(sc);
DPRINTF(("out autri_init()\n"));
return 0;
}
static void
autri_enable_loop_interrupt(void *sc_)
{
struct autri_softc *sc = sc_;
u_int32_t reg;
/*reg = (ENDLP_IE | MIDLP_IE);*/
reg = ENDLP_IE;
if (sc->sc_devid == AUTRI_DEVICE_ID_SIS_7018)
reg |= BANK_B_EN;
autri_reg_set_4(sc,AUTRI_LFO_GC_CIR,reg);
}
#if 0
static void
autri_disable_loop_interrupt(void *sc_)
{
struct autri_softc *sc = sc_;
u_int32_t reg;
reg = (ENDLP_IE | MIDLP_IE);
autri_reg_clear_4(sc,AUTRI_LFO_GC_CIR,reg);
}
#endif
int
autri_intr(void *p)
{
struct autri_softc *sc = p;
u_int32_t intsrc;
u_int32_t mask, active[2];
int ch, endch;
/*
u_int32_t reg;
u_int32_t cso,eso;
*/
intsrc = TREAD4(sc,AUTRI_MISCINT);
if ((intsrc & (ADDRESS_IRQ|MPU401_IRQ)) == 0)
return 0;
if (intsrc & ADDRESS_IRQ) {
active[0] = TREAD4(sc,AUTRI_AIN_A);
active[1] = TREAD4(sc,AUTRI_AIN_B);
if (sc->sc_devid == AUTRI_DEVICE_ID_ALI_M5451) {
endch = 32;
} else {
endch = 64;
}
for (ch=0; ch<endch; ch++) {
mask = 1 << (ch & 0x1f);
if (active[(ch & 0x20) ? 1 : 0] & mask) {
/* clear interupt */
TWRITE4(sc, (ch & 0x20) ? AUTRI_AIN_B : AUTRI_AIN_A, mask);
/* disable interupt */
autri_reg_clear_4(sc,(ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A, mask);
#if 0
reg = TREAD4(sc,AUTRI_LFO_GC_CIR) & ~0x0000003f;
TWRITE4(sc,AUTRI_LFO_GC_CIR, reg | ch);
if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX) {
cso = TREAD4(sc, 0xe0) & 0x00ffffff;
eso = TREAD4(sc, 0xe8) & 0x00ffffff;
} else {
cso = (TREAD4(sc, 0xe0) >> 16) & 0x0000ffff;
eso = (TREAD4(sc, 0xe8) >> 16) & 0x0000ffff;
}
/*printf("cso=%d, eso=%d\n",cso,eso);*/
#endif
if (ch == sc->sc_play.ch_intr) {
if (sc->sc_play.intr)
sc->sc_play.intr(sc->sc_play.intr_arg);
}
if (ch == sc->sc_rec.ch_intr) {
if (sc->sc_rec.intr)
sc->sc_rec.intr(sc->sc_rec.intr_arg);
}
/* enable interrupt */
autri_reg_set_4(sc, (ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A, mask);
}
}
}
if (intsrc & MPU401_IRQ) {
/* XXX */
}
autri_reg_set_4(sc,AUTRI_MISCINT,
ST_TARGET_REACHED | MIXER_OVERFLOW | MIXER_UNDERFLOW);
return 1;
}
/*
*
*/
int
autri_allocmem(struct autri_softc *sc, size_t size, size_t align,
struct autri_dma *p)
{
int error;
p->size = size;
error = bus_dmamem_alloc(sc->sc_dmatag, p->size, align, 0,
p->segs, sizeof(p->segs)/sizeof(p->segs[0]),
&p->nsegs, BUS_DMA_NOWAIT);
if (error)
return (error);
error = bus_dmamem_map(sc->sc_dmatag, p->segs, p->nsegs, p->size,
&p->addr, BUS_DMA_NOWAIT|BUS_DMA_COHERENT);
if (error)
goto free;
error = bus_dmamap_create(sc->sc_dmatag, p->size, 1, p->size,
0, BUS_DMA_NOWAIT, &p->map);
if (error)
goto unmap;
error = bus_dmamap_load(sc->sc_dmatag, p->map, p->addr, p->size, NULL,
BUS_DMA_NOWAIT);
if (error)
goto destroy;
return (0);
destroy:
bus_dmamap_destroy(sc->sc_dmatag, p->map);
unmap:
bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
free:
bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
return (error);
}
int
autri_freemem(struct autri_softc *sc, struct autri_dma *p)
{
bus_dmamap_unload(sc->sc_dmatag, p->map);
bus_dmamap_destroy(sc->sc_dmatag, p->map);
bus_dmamem_unmap(sc->sc_dmatag, p->addr, p->size);
bus_dmamem_free(sc->sc_dmatag, p->segs, p->nsegs);
return 0;
}
int
autri_open(void *addr, int flags)
{
DPRINTF(("autri_open()\n"));
DPRINTFN(5,("MISCINT : 0x%08X\n",
TREAD4((struct autri_softc *)addr, AUTRI_MISCINT)));
DPRINTFN(5,("LFO_GC_CIR : 0x%08X\n",
TREAD4((struct autri_softc *)addr, AUTRI_LFO_GC_CIR)));
return 0;
}
void
autri_close(void *addr)
{
DPRINTF(("autri_close()\n"));
}
int
autri_query_encoding(void *addr, struct audio_encoding *fp)
{
switch (fp->index) {
case 0:
strcpy(fp->name, AudioEulinear);
fp->encoding = AUDIO_ENCODING_ULINEAR;
fp->precision = 8;
fp->flags = 0;
break;
case 1:
strcpy(fp->name, AudioEmulaw);
fp->encoding = AUDIO_ENCODING_ULAW;
fp->precision = 8;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 2:
strcpy(fp->name, AudioEalaw);
fp->encoding = AUDIO_ENCODING_ALAW;
fp->precision = 8;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 3:
strcpy(fp->name, AudioEslinear);
fp->encoding = AUDIO_ENCODING_SLINEAR;
fp->precision = 8;
fp->flags = 0;
break;
case 4:
strcpy(fp->name, AudioEslinear_le);
fp->encoding = AUDIO_ENCODING_SLINEAR_LE;
fp->precision = 16;
fp->flags = 0;
break;
case 5:
strcpy(fp->name, AudioEulinear_le);
fp->encoding = AUDIO_ENCODING_ULINEAR_LE;
fp->precision = 16;
fp->flags = 0;
break;
case 6:
strcpy(fp->name, AudioEslinear_be);
fp->encoding = AUDIO_ENCODING_SLINEAR_BE;
fp->precision = 16;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
case 7:
strcpy(fp->name, AudioEulinear_be);
fp->encoding = AUDIO_ENCODING_ULINEAR_BE;
fp->precision = 16;
fp->flags = AUDIO_ENCODINGFLAG_EMULATED;
break;
default:
return (EINVAL);
}
return 0;
}
int
autri_set_params(void *addr, int setmode, int usemode,
struct audio_params *play, struct audio_params *rec)
{
struct audio_params *p;
int mode;
for (mode = AUMODE_RECORD; mode != -1;
mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) {
if ((setmode & mode) == 0)
continue;
p = mode == AUMODE_PLAY ? play : rec;
if (p->sample_rate < 4000 || p->sample_rate > 48000 ||
(p->precision != 8 && p->precision != 16) ||
(p->channels != 1 && p->channels != 2))
return (EINVAL);
p->factor = 1;
p->sw_code = 0;
switch (p->encoding) {
case AUDIO_ENCODING_SLINEAR_BE:
case AUDIO_ENCODING_ULINEAR_BE:
if (p->precision == 16)
p->sw_code = swap_bytes;
break;
case AUDIO_ENCODING_SLINEAR_LE:
case AUDIO_ENCODING_ULINEAR_LE:
break;
case AUDIO_ENCODING_ULAW:
if (mode == AUMODE_PLAY)
p->sw_code = mulaw_to_ulinear8;
else
p->sw_code = ulinear8_to_mulaw;
break;
case AUDIO_ENCODING_ALAW:
if (mode == AUMODE_PLAY)
p->sw_code = alaw_to_ulinear8;
else
p->sw_code = ulinear8_to_alaw;
break;
default:
return (EINVAL);
}
}
return 0;
}
int
autri_round_blocksize(void *addr, int block)
{
return (block & -4);
}
int
autri_halt_output(void *addr)
{
struct autri_softc *sc = addr;
DPRINTF(("autri_halt_output()\n"));
sc->sc_play.intr = NULL;
autri_stopch(sc, sc->sc_play.ch, sc->sc_play.ch_intr);
autri_disable_interrupt(sc, sc->sc_play.ch_intr);
return 0;
}
int
autri_halt_input(void *addr)
{
struct autri_softc *sc = addr;
DPRINTF(("autri_halt_input()\n"));
sc->sc_rec.intr = NULL;
autri_stopch(sc, sc->sc_rec.ch, sc->sc_rec.ch_intr);
autri_disable_interrupt(sc, sc->sc_rec.ch_intr);
return 0;
}
int
autri_getdev(void *addr, struct audio_device *retp)
{
struct autri_softc *sc = addr;
DPRINTF(("autri_getdev().\n"));
strncpy(retp->name, "Trident 4DWAVE", sizeof(retp->name));
snprintf(retp->version, sizeof(retp->version), "0x%02x",
PCI_REVISION(sc->sc_class));
switch (sc->sc_devid) {
case AUTRI_DEVICE_ID_4DWAVE_DX:
strncpy(retp->config, "4DWAVE-DX", sizeof(retp->config));
break;
case AUTRI_DEVICE_ID_4DWAVE_NX:
strncpy(retp->config, "4DWAVE-NX", sizeof(retp->config));
break;
case AUTRI_DEVICE_ID_SIS_7018:
strncpy(retp->config, "SiS 7018", sizeof(retp->config));
break;
case AUTRI_DEVICE_ID_ALI_M5451:
strncpy(retp->config, "ALi M5451", sizeof(retp->config));
break;
default:
strncpy(retp->config, "unknown", sizeof(retp->config));
}
return 0;
}
int
autri_mixer_set_port(void *addr, mixer_ctrl_t *cp)
{
struct autri_softc *sc = addr;
return (sc->sc_codec.codec_if->vtbl->mixer_set_port(
sc->sc_codec.codec_if, cp));
}
int
autri_mixer_get_port(void *addr, mixer_ctrl_t *cp)
{
struct autri_softc *sc = addr;
return (sc->sc_codec.codec_if->vtbl->mixer_get_port(
sc->sc_codec.codec_if, cp));
}
int
autri_query_devinfo(void *addr, mixer_devinfo_t *dip)
{
struct autri_softc *sc = addr;
return (sc->sc_codec.codec_if->vtbl->query_devinfo(
sc->sc_codec.codec_if, dip));
}
int
autri_get_portnum_by_name(struct autri_softc *sc, char *class,
char *device, char *qualifier)
{
return (sc->sc_codec.codec_if->vtbl->get_portnum_by_name(
sc->sc_codec.codec_if, class, device, qualifier));
}
void *
autri_malloc(void *addr, int direction, size_t size, int pool, int flags)
{
struct autri_softc *sc = addr;
struct autri_dma *p;
int error;
p = malloc(sizeof(*p), pool, flags);
if (!p)
return NULL;
#if 0
error = autri_allocmem(sc, size, 16, p);
#endif
error = autri_allocmem(sc, size, 0x10000, p);
if (error) {
free(p, pool);
return NULL;
}
p->next = sc->sc_dmas;
sc->sc_dmas = p;
return KERNADDR(p);
}
void
autri_free(void *addr, void *ptr, int pool)
{
struct autri_softc *sc = addr;
struct autri_dma **pp, *p;
for (pp = &sc->sc_dmas; (p = *pp) != NULL; pp = &p->next) {
if (KERNADDR(p) == ptr) {
autri_freemem(sc, p);
*pp = p->next;
free(p, pool);
return;
}
}
}
static struct autri_dma *
autri_find_dma(struct autri_softc *sc, void *addr)
{
struct autri_dma *p;
for (p = sc->sc_dmas; p && KERNADDR(p) != addr; p = p->next)
;
return p;
}
size_t
autri_round_buffersize(void *addr, int direction, size_t size)
{
return size;
}
paddr_t
autri_mappage(void *addr, void *mem, off_t off, int prot)
{
struct autri_softc *sc = addr;
struct autri_dma *p;
if (off < 0)
return (-1);
p = autri_find_dma(sc, mem);
if (!p)
return (-1);
return (bus_dmamem_mmap(sc->sc_dmatag, p->segs, p->nsegs,
off, prot, BUS_DMA_WAITOK));
}
int
autri_get_props(void *addr)
{
return (AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT |
AUDIO_PROP_FULLDUPLEX);
}
static void
autri_setup_channel(struct autri_softc *sc, int mode,
struct audio_params *param)
{
int i, ch, channel;
u_int32_t reg, cr[5];
u_int32_t cso, eso;
u_int32_t delta, dch[2], ctrl;
u_int32_t alpha_fms, fm_vol, attribute;
u_int32_t dmaaddr, dmalen;
int factor, rvol, cvol;
struct autri_chstatus *chst;
ctrl = AUTRI_CTRL_LOOPMODE;
switch (param->encoding) {
case AUDIO_ENCODING_SLINEAR_BE:
case AUDIO_ENCODING_SLINEAR_LE:
ctrl |= AUTRI_CTRL_SIGNED;
break;
}
factor = 0;
if (param->precision == 16) {
ctrl |= AUTRI_CTRL_16BIT;
factor++;
}
if (param->channels == 2) {
ctrl |= AUTRI_CTRL_STEREO;
factor++;
}
delta = (u_int32_t)param->sample_rate;
if (delta < 4000)
delta = 4000;
if (delta > 48000)
delta = 48000;
dch[1] = ((delta << 12) / 48000) & 0x0000ffff;
if (mode == AUMODE_PLAY) {
chst = &sc->sc_play;
dch[0] = ((delta << 12) / 48000) & 0x0000ffff;
ctrl |= AUTRI_CTRL_WAVEVOL;
} else {
chst = &sc->sc_rec;
dch[0] = ((48000 << 12) / delta) & 0x0000ffff;
if (sc->sc_devid == AUTRI_DEVICE_ID_SIS_7018)
ctrl |= AUTRI_CTRL_MUTEVOL_SIS;
else
ctrl |= AUTRI_CTRL_MUTEVOL;
}
dmaaddr = DMAADDR(chst->dma);
cso = alpha_fms = 0;
rvol = cvol = 0x7f;
fm_vol = 0x0 | ((rvol & 0x7f) << 7) | (cvol & 0x7f);
attribute = 0;
for (ch=0; ch<2; ch++) {
if (ch == 0)
dmalen = (chst->length >> factor);
else {
/* channel for interrupt */
dmalen = (chst->blksize >> factor);
if (sc->sc_devid == AUTRI_DEVICE_ID_SIS_7018)
ctrl |= AUTRI_CTRL_MUTEVOL_SIS;
else
ctrl |= AUTRI_CTRL_MUTEVOL;
}
eso = dmalen - 1;
switch (sc->sc_devid) {
case AUTRI_DEVICE_ID_4DWAVE_DX:
cr[0] = (cso << 16) | (alpha_fms & 0x0000ffff);
cr[1] = dmaaddr;
cr[2] = (eso << 16) | (dch[ch] & 0x0000ffff);
cr[3] = fm_vol;
cr[4] = ctrl;
break;
case AUTRI_DEVICE_ID_4DWAVE_NX:
cr[0] = (dch[ch] << 24) | (cso & 0x00ffffff);
cr[1] = dmaaddr;
cr[2] = ((dch[ch] << 16) & 0xff000000) | (eso & 0x00ffffff);
cr[3] = (alpha_fms << 16) | (fm_vol & 0x0000ffff);
cr[4] = ctrl;
break;
case AUTRI_DEVICE_ID_SIS_7018:
cr[0] = (cso << 16) | (alpha_fms & 0x0000ffff);
cr[1] = dmaaddr;
cr[2] = (eso << 16) | (dch[ch] & 0x0000ffff);
cr[3] = (attribute << 16) | (fm_vol & 0x0000ffff);
cr[4] = ctrl;
break;
case AUTRI_DEVICE_ID_ALI_M5451:
cr[0] = (cso << 16) | (alpha_fms & 0x0000ffff);
cr[1] = dmaaddr;
cr[2] = (eso << 16) | (dch[ch] & 0x0000ffff);
cr[3] = 0;
cr[4] = ctrl;
break;
}
/* write channel data */
channel = (ch == 0) ? chst->ch : chst->ch_intr;
reg = TREAD4(sc,AUTRI_LFO_GC_CIR) & ~0x0000003f;
TWRITE4(sc,AUTRI_LFO_GC_CIR, reg | channel);
for (i=0; i<5; i++) {
TWRITE4(sc, AUTRI_ARAM_CR + i*sizeof(cr[0]), cr[i]);
DPRINTFN(5,("cr[%d] : 0x%08X\n", i, cr[i]));
}
/* Bank A only */
if (channel < 0x20) {
TWRITE4(sc, AUTRI_EBUF1, AUTRI_EMOD_STILL);
TWRITE4(sc, AUTRI_EBUF2, AUTRI_EMOD_STILL);
}
}
}
int
autri_trigger_output(void *addr, void *start, void *end, int blksize,
void (*intr)(void *), void *arg,
struct audio_params *param)
{
struct autri_softc *sc = addr;
struct autri_dma *p;
DPRINTFN(5,("autri_trigger_output: sc=%p start=%p end=%p "
"blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
sc->sc_play.intr = intr;
sc->sc_play.intr_arg = arg;
sc->sc_play.offset = 0;
sc->sc_play.blksize = blksize;
sc->sc_play.length = (char *)end - (char *)start;
p = autri_find_dma(sc, start);
if (!p) {
printf("autri_trigger_output: bad addr %p\n", start);
return (EINVAL);
}
sc->sc_play.dma = p;
/* */
autri_setup_channel(sc, AUMODE_PLAY, param);
/* volume set to no attenuation */
TWRITE4(sc, AUTRI_MUSICVOL_WAVEVOL, 0);
/* enable interrupt */
autri_enable_interrupt(sc, sc->sc_play.ch_intr);
/* start channel */
autri_startch(sc, sc->sc_play.ch, sc->sc_play.ch_intr);
return 0;
}
int
autri_trigger_input(void *addr, void *start, void *end, int blksize,
void (*intr)(void *), void *arg,
struct audio_params *param)
{
struct autri_softc *sc = addr;
struct autri_dma *p;
DPRINTFN(5,("autri_trigger_input: sc=%p start=%p end=%p "
"blksize=%d intr=%p(%p)\n", addr, start, end, blksize, intr, arg));
sc->sc_rec.intr = intr;
sc->sc_rec.intr_arg = arg;
sc->sc_rec.offset = 0;
sc->sc_rec.blksize = blksize;
sc->sc_rec.length = (char *)end - (char *)start;
/* */
p = autri_find_dma(sc, start);
if (!p) {
printf("autri_trigger_input: bad addr %p\n", start);
return (EINVAL);
}
sc->sc_rec.dma = p;
/* */
if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX) {
autri_reg_set_4(sc, AUTRI_NX_ACR0, AUTRI_NX_ACR0_PSB_CAPTURE);
TWRITE1(sc, AUTRI_NX_RCI3, AUTRI_NX_RCI3_ENABLE | sc->sc_rec.ch);
}
#if 0
/* 4DWAVE only allows capturing at a 48KHz rate */
if (sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_DX ||
sc->sc_devid == AUTRI_DEVICE_ID_4DWAVE_NX)
param->sample_rate = 48000;
#endif
autri_setup_channel(sc, AUMODE_RECORD, param);
/* enable interrupt */
autri_enable_interrupt(sc, sc->sc_rec.ch_intr);
/* start channel */
autri_startch(sc, sc->sc_rec.ch, sc->sc_rec.ch_intr);
return 0;
}
#if 0
static int
autri_halt(struct autri_softc *sc)
{
DPRINTF(("autri_halt().\n"));
/*autri_stopch(sc);*/
autri_disable_interrupt(sc, sc->sc_play.channel);
autri_disable_interrupt(sc, sc->sc_rec.channel);
return 0;
}
#endif
static void
autri_enable_interrupt(struct autri_softc *sc, int ch)
{
int reg;
reg = (ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A;
ch &= 0x1f;
autri_reg_set_4(sc, reg, 1 << ch);
}
static void
autri_disable_interrupt(struct autri_softc *sc, int ch)
{
int reg;
reg = (ch & 0x20) ? AUTRI_AINTEN_B : AUTRI_AINTEN_A;
ch &= 0x1f;
autri_reg_clear_4(sc, reg, 1 << ch);
}
static void
autri_startch(struct autri_softc *sc, int ch, int ch_intr)
{
int reg;
u_int32_t chmask;
reg = (ch & 0x20) ? AUTRI_START_B : AUTRI_START_A;
ch &= 0x1f;
chmask = (1 << ch) | (1 << ch_intr);
autri_reg_set_4(sc, reg, chmask);
}
static void
autri_stopch(struct autri_softc *sc, int ch, int ch_intr)
{
int reg;
u_int32_t chmask;
reg = (ch & 0x20) ? AUTRI_STOP_B : AUTRI_STOP_A;
ch &= 0x1f;
chmask = (1 << ch) | (1 << ch_intr);
autri_reg_set_4(sc, reg, chmask);
}
#if NMIDI > 0
int
autri_midi_open(void *addr, int flags, void (*iintr)(void *, int),
void (*ointr)(void *), void *arg)
{
struct autri_softc *sc = addr;
DPRINTF(("autri_midi_open()\n"));
DPRINTFN(5,("MPUR1 : 0x%02X\n",TREAD1(sc,AUTRI_MPUR1)));
DPRINTFN(5,("MPUR2 : 0x%02X\n",TREAD1(sc,AUTRI_MPUR2)));
sc->sc_iintr = iintr;
sc->sc_ointr = ointr;
sc->sc_arg = arg;
if (flags & FREAD)
autri_reg_clear_1(sc, AUTRI_MPUR2, AUTRI_MIDIIN_ENABLE_INTR);
if (flags & FWRITE)
autri_reg_set_1(sc, AUTRI_MPUR2, AUTRI_MIDIOUT_CONNECT);
return (0);
}
void
autri_midi_close(void *addr)
{
struct autri_softc *sc = addr;
DPRINTF(("autri_midi_close()\n"));
tsleep(sc, PWAIT, "autri", hz/10); /* give uart a chance to drain */
sc->sc_iintr = NULL;
sc->sc_ointr = NULL;
}
int
autri_midi_output(void *addr, int d)
{
struct autri_softc *sc = addr;
int x;
for (x = 0; x != MIDI_BUSY_WAIT; x++) {
if ((TREAD1(sc, AUTRI_MPUR1) & AUTRI_MIDIOUT_READY) == 0) {
TWRITE1(sc, AUTRI_MPUR0, d);
return (0);
}
delay(MIDI_BUSY_DELAY);
}
return (EIO);
}
void
autri_midi_getinfo(void *addr, struct midi_info *mi)
{
mi->name = "4DWAVE MIDI UART";
mi->props = MIDI_PROP_CAN_INPUT;
}
#endif
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