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Weed out the Dell and HP versions which are known to work in 

WSS emulation mode (i.e. won't work in AC'97 mode).
This commit is contained in:
thorpej 2000-11-05 16:13:17 +00:00
parent e8e4da6b87
commit 5a8a59d459
1 changed files with 43 additions and 44 deletions
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87
sys/dev/pci/neo.c
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@ -1,4 +1,4 @@
/* $NetBSD: neo.c,v 1.1 2000/11/05 06:43:46 thorpej Exp $ */
/* $NetBSD: neo.c,v 1.2 2000/11/05 16:13:17 thorpej Exp $ */
/*
* Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
@ -214,15 +214,6 @@ struct audio_device neo_device = {
"neo"
};
#if 0
static u_int32_t badcards[] = {
0x0007103c,
0x008f1028,
};
#define NUM_BADCARDS (sizeof(badcards) / sizeof(u_int32_t))
#endif
/* The actual rates supported by the card. */
static const int samplerates[9] = {
8000,
@ -486,6 +477,48 @@ nm_init(struct neo_softc *sc)
return 0;
}
int
neo_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pci_attach_args *pa = aux;
pcireg_t subdev;
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_NEOMAGIC)
return (0);
subdev = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_NEOMAGIC_NMMM256AV_AU:
/*
* We have to weed-out the non-AC'97 versions of
* the chip (i.e. the ones that are known to work
* in WSS emulation mode), as they won't work with
* this driver.
*/
switch (PCI_VENDOR(subdev)) {
case PCI_VENDOR_DELL:
switch (PCI_PRODUCT(subdev)) {
case 0x008f:
return (0);
}
break;
case PCI_VENDOR_HP:
switch (PCI_PRODUCT(subdev)) {
case 0x0007:
return (0);
}
}
return (1);
case PCI_PRODUCT_NEOMAGIC_NMMM256ZX_AU:
return (1);
}
return (0);
}
void
neo_attach(struct device *parent, struct device *self, void *aux)
{
@ -557,40 +590,6 @@ neo_attach(struct device *parent, struct device *self, void *aux)
audio_attach_mi(&neo_hw_if, sc, &sc->dev);
}
int
neo_match(struct device *parent, struct cfdata *match, void *aux)
{
struct pci_attach_args *pa = (struct pci_attach_args *) aux;
#if 0
u_int32_t subdev, badcard;
#endif
if (PCI_VENDOR(pa->pa_id) != PCI_VENDOR_NEOMAGIC)
return (0);
#if 0
subdev = (pci_get_subdevice(dev) << 16) | pci_get_subvendor(dev);
#endif
switch (PCI_PRODUCT(pa->pa_id)) {
case PCI_PRODUCT_NEOMAGIC_NMMM256AV_AU:
#if 0
i = 0;
while ((i < NUM_BADCARDS) && (badcards[i] != subdev))
i++;
if (i == NUM_BADCARDS)
s = "NeoMagic 256AV";
DEB(else)
DEB(device_printf(dev,
"this is a non-ac97 NM256AV, not attaching\n"));
return (1);
#endif
case PCI_PRODUCT_NEOMAGIC_NMMM256ZX_AU:
return (1);
}
return (0);
}
int
neo_read_codec(void *v, u_int8_t a, u_int16_t *d)
{