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Add suspend and resume support.

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Contributed by:	Takanori Watanabe <takawata@FreeBSD.org>
PR:		kern/41809
This commit is contained in:
Orion Hodson 2002-08-25 02:00:49 +00:00
parent 89bed25f9f
commit 933ce6fa4b
1 changed files with 45 additions and 8 deletions
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53
sys/dev/sound/pci/solo.c
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@ -893,9 +893,46 @@ ess_probe(device_t dev)
return s? 0 : ENXIO;
}
#define PCI_LEGACYCONTROL 0x40
#define PCI_CONFIG 0x50
#define PCI_DDMACONTROL 0x60
#define ESS_PCI_LEGACYCONTROL 0x40
#define ESS_PCI_CONFIG 0x50
#define ESS_PCI_DDMACONTROL 0x60
static int
ess_suspend(device_t dev)
{
return 0;
}
static int
ess_resume(device_t dev)
{
uint16_t ddma;
uint32_t data;
struct ess_info *sc = pcm_getdevinfo(dev);
data = pci_read_config(dev, PCIR_COMMAND, 2);
data |= PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN;
pci_write_config(dev, PCIR_COMMAND, data, 2);
data = pci_read_config(dev, PCIR_COMMAND, 2);
ddma = rman_get_start(sc->vc) | 1;
pci_write_config(dev, ESS_PCI_LEGACYCONTROL, 0x805f, 2);
pci_write_config(dev, ESS_PCI_DDMACONTROL, ddma, 2);
pci_write_config(dev, ESS_PCI_CONFIG, 0, 2);
if (ess_reset_dsp(sc))
goto no;
if (mixer_reinit(dev))
goto no;
if (sc->newspeed)
ess_setmixer(sc, 0x71, 0x2a);
port_wr(sc->io, 0x7, 0xb0, 1); /* enable irqs */
return 0;
no:
return EIO;
}
static int
ess_attach(device_t dev)
@ -920,9 +957,9 @@ ess_attach(device_t dev)
sc->bufsz = pcm_getbuffersize(dev, 4096, SOLO_DEFAULT_BUFSZ, 65536);
ddma = rman_get_start(sc->vc) | 1;
pci_write_config(dev, PCI_LEGACYCONTROL, 0x805f, 2);
pci_write_config(dev, PCI_DDMACONTROL, ddma, 2);
pci_write_config(dev, PCI_CONFIG, 0, 2);
pci_write_config(dev, ESS_PCI_LEGACYCONTROL, 0x805f, 2);
pci_write_config(dev, ESS_PCI_DDMACONTROL, ddma, 2);
pci_write_config(dev, ESS_PCI_CONFIG, 0, 2);
if (ess_reset_dsp(sc))
goto no;
@ -996,8 +1033,8 @@ static device_method_t ess_methods[] = {
DEVMETHOD(device_probe, ess_probe),
DEVMETHOD(device_attach, ess_attach),
DEVMETHOD(device_detach, ess_detach),
DEVMETHOD(device_resume, bus_generic_resume),
DEVMETHOD(device_suspend, bus_generic_suspend),
DEVMETHOD(device_resume, ess_resume),
DEVMETHOD(device_suspend, ess_suspend),
{ 0, 0 }
};