int
yds_write_codec(void *sc_, u_int8_t reg, u_int16_t data)
{
struct yds_codec_softc *sc = sc_;
YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
YWRITE2(sc->sc, AC97_CMD_DATA, data);
if (yds_ready_codec(sc)) {
printf("%s: yds_write_codec timeout\n",
sc->sc->sc_dev.dv_xname);
return EIO;
}
return 0;
}
static int
yds_write_codec(void *sc_, uint8_t reg, uint16_t data)
{
struct yds_codec_softc *sc;
sc = sc_;
YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_WRITE | AC97_ID(sc->id) | reg);
YWRITE2(sc->sc, AC97_CMD_DATA, data);
if (yds_ready_codec(sc)) {
aprint_error_dev(sc->sc->sc_dev, "yds_write_codec timeout\n");
return EIO;
}
return 0;
}
int
yds_read_codec(void *sc_, u_int8_t reg, u_int16_t *data)
{
struct yds_codec_softc *sc = sc_;
YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
if (yds_ready_codec(sc)) {
printf("%s: yds_read_codec timeout\n",
sc->sc->sc_dev.dv_xname);
return EIO;
}
if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744 &&
sc->sc->sc_revision < 2) {
int i;
for (i = 0; i < 600; i++)
YREAD2(sc->sc, sc->status_data);
}
*data = YREAD2(sc->sc, sc->status_data);
return 0;
}
static int
yds_read_codec(void *sc_, uint8_t reg, uint16_t *data)
{
struct yds_codec_softc *sc;
sc = sc_;
YWRITE2(sc->sc, AC97_CMD_ADDR, AC97_CMD_READ | AC97_ID(sc->id) | reg);
if (yds_ready_codec(sc)) {
aprint_error_dev(sc->sc->sc_dev, "yds_read_codec timeout\n");
return EIO;
}
if (PCI_PRODUCT(sc->sc->sc_id) == PCI_PRODUCT_YAMAHA_YMF744B &&
sc->sc->sc_revision < 2) {
int i;
for (i=0; i<600; i++)
(void)YREAD2(sc->sc, sc->status_data);
}
*data = YREAD2(sc->sc, sc->status_data);
return 0;
}
static void
yds_attach(device_t parent, device_t self, void *aux)
{
struct yds_softc *sc;
struct pci_attach_args *pa;
pci_chipset_tag_t pc;
char const *intrstr;
pci_intr_handle_t ih;
pcireg_t reg;
struct yds_codec_softc *codec;
int i, r, to;
int revision;
int ac97_id2;
char intrbuf[PCI_INTRSTR_LEN];
sc = device_private(self);
sc->sc_dev = self;
pa = (struct pci_attach_args *)aux;
pc = pa->pa_pc;
revision = PCI_REVISION(pa->pa_class);
pci_aprint_devinfo(pa, NULL);
/* Map register to memory */
if (pci_mapreg_map(pa, YDS_PCI_MBA, PCI_MAPREG_TYPE_MEM, 0,
&sc->memt, &sc->memh, NULL, NULL)) {
aprint_error_dev(self, "can't map memory space\n");
return;
}
/* Map and establish the interrupt. */
if (pci_intr_map(pa, &ih)) {
aprint_error_dev(self, "couldn't map interrupt\n");
return;
}
mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_AUDIO); /* XXX IPL_NONE? */
mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
intrstr = pci_intr_string(pc, ih, intrbuf, sizeof(intrbuf));
sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, yds_intr, sc);
if (sc->sc_ih == NULL) {
aprint_error_dev(self, "couldn't establish interrupt");
if (intrstr != NULL)
aprint_error(" at %s", intrstr);
aprint_error("\n");
mutex_destroy(&sc->sc_lock);
mutex_destroy(&sc->sc_intr_lock);
return;
}
aprint_normal_dev(self, "interrupting at %s\n", intrstr);
sc->sc_dmatag = pa->pa_dmat;
sc->sc_pc = pc;
sc->sc_pcitag = pa->pa_tag;
sc->sc_id = pa->pa_id;
sc->sc_revision = revision;
sc->sc_flags = yds_get_dstype(sc->sc_id);
#ifdef AUDIO_DEBUG
if (ydsdebug) {
char bits[80];
snprintb(bits, sizeof(bits), YDS_CAP_BITS, sc->sc_flags);
printf("%s: chip has %s\n", device_xname(self), bits);
}
#endif
/* Disable legacy mode */
reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_LEGACY);
pci_conf_write(pc, pa->pa_tag, YDS_PCI_LEGACY,
reg & YDS_PCI_LEGACY_LAD);
/* Enable the device. */
reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
PCI_COMMAND_MASTER_ENABLE);
pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, reg);
reg = pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
/* Mute all volumes */
for (i = 0x80; i < 0xc0; i += 2)
YWRITE2(sc, i, 0);
/* Initialize the device */
if (yds_init(sc)) {
aprint_error_dev(self, "initialize failed\n");
mutex_destroy(&sc->sc_lock);
mutex_destroy(&sc->sc_intr_lock);
return;
}
/*
* Detect primary/secondary AC97
* YMF754 Hardware Specification Rev 1.01 page 24
*/
reg = pci_conf_read(pc, pa->pa_tag, YDS_PCI_DSCTRL);
pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
delay(400000); /* Needed for 740C. */
/* Primary */
for (to = 0; to < AC97_TIMEOUT; to++) {
if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
break;
delay(1);
}
if (to == AC97_TIMEOUT) {
aprint_error_dev(self, "no AC97 available\n");
mutex_destroy(&sc->sc_lock);
mutex_destroy(&sc->sc_intr_lock);
return;
}
/* Secondary */
/* Secondary AC97 is used for 4ch audio. Currently unused. */
ac97_id2 = -1;
if ((YREAD2(sc, YDS_ACTIVITY) & YDS_ACTIVITY_DOCKA) == 0)
goto detected;
#if 0 /* reset secondary... */
YWRITE2(sc, YDS_GPIO_OCTRL,
YREAD2(sc, YDS_GPIO_OCTRL) & ~YDS_GPIO_GPO2);
YWRITE2(sc, YDS_GPIO_FUNCE,
(YREAD2(sc, YDS_GPIO_FUNCE)&(~YDS_GPIO_GPC2))|YDS_GPIO_GPE2);
#endif
for (to = 0; to < AC97_TIMEOUT; to++) {
if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY) == 0)
break;
delay(1);
}
if (to < AC97_TIMEOUT) {
/* detect id */
for (ac97_id2 = 1; ac97_id2 < 4; ac97_id2++) {
YWRITE2(sc, AC97_CMD_ADDR,
AC97_CMD_READ | AC97_ID(ac97_id2) | 0x28);
for (to = 0; to < AC97_TIMEOUT; to++) {
if ((YREAD2(sc, AC97_STAT_ADDR2) & AC97_BUSY)
== 0)
goto detected;
delay(1);
}
}
if (ac97_id2 == 4)
ac97_id2 = -1;
detected:
;
}
pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg | YDS_DSCTRL_CRST);
delay (20);
pci_conf_write(pc, pa->pa_tag, YDS_PCI_DSCTRL, reg & ~YDS_DSCTRL_CRST);
delay (400000);
for (to = 0; to < AC97_TIMEOUT; to++) {
if ((YREAD2(sc, AC97_STAT_ADDR1) & AC97_BUSY) == 0)
break;
delay(1);
}
/*
* Attach ac97 codec
*/
for (i = 0; i < 2; i++) {
static struct {
int data;
int addr;
} statregs[] = {
{AC97_STAT_DATA1, AC97_STAT_ADDR1},
{AC97_STAT_DATA2, AC97_STAT_ADDR2},
};
if (i == 1 && ac97_id2 == -1)
break; /* secondary ac97 not available */
codec = &sc->sc_codec[i];
codec->sc = sc;
codec->id = i == 1 ? ac97_id2 : 0;
codec->status_data = statregs[i].data;
codec->status_addr = statregs[i].addr;
codec->host_if.arg = codec;
codec->host_if.attach = yds_attach_codec;
codec->host_if.read = yds_read_codec;
codec->host_if.write = yds_write_codec;
codec->host_if.reset = yds_reset_codec;
r = ac97_attach(&codec->host_if, self, &sc->sc_lock);
if (r != 0) {
aprint_error_dev(self, "can't attach codec (error 0x%X)\n", r);
mutex_destroy(&sc->sc_lock);
mutex_destroy(&sc->sc_intr_lock);
return;
}
}
if (0 != auconv_create_encodings(yds_formats, YDS_NFORMATS,
&sc->sc_encodings)) {
mutex_destroy(&sc->sc_lock);
mutex_destroy(&sc->sc_intr_lock);
return;
}
audio_attach_mi(&yds_hw_if, sc, self);
sc->sc_legacy_iot = pa->pa_iot;
config_defer(self, yds_configure_legacy);
if (!pmf_device_register(self, yds_suspend, yds_resume))
aprint_error_dev(self, "couldn't establish power handler\n");
}