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Restore yds(4) state on resume.

This commit is contained in:
jmcneill 2006-06-19 13:55:40 +00:00
parent bd22603476
commit 3e47be4df9
2 changed files with 57 additions and 5 deletions
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52
sys/dev/pci/yds.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: yds.c,v 1.31 2006/06/07 15:34:47 nakayama Exp $ */
/* $NetBSD: yds.c,v 1.32 2006/06/19 13:55:40 jmcneill Exp $ */
/*
* Copyright (c) 2000, 2001 Kazuki Sakamoto and Minoura Makoto.
@ -39,7 +39,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: yds.c,v 1.31 2006/06/07 15:34:47 nakayama Exp $");
__KERNEL_RCSID(0, "$NetBSD: yds.c,v 1.32 2006/06/19 13:55:40 jmcneill Exp $");
#include "mpu.h"
@ -679,16 +679,60 @@ static void
yds_powerhook(int why, void *addr)
{
struct yds_softc *sc;
pci_chipset_tag_t pc;
pcitag_t tag;
pcireg_t reg;
int s;
if (why == PWR_RESUME) {
sc = addr;
sc = (struct yds_softc *)addr;
pc = sc->sc_pc;
tag = sc->sc_pcitag;
s = splaudio();
switch (why) {
case PWR_SUSPEND:
pci_conf_capture(pc, tag, &sc->sc_pciconf);
sc->sc_dsctrl = pci_conf_read(pc, tag, YDS_PCI_DSCTRL);
sc->sc_legacy = pci_conf_read(pc, tag, YDS_PCI_LEGACY);
sc->sc_ba[0] = pci_conf_read(pc, tag, YDS_PCI_FM_BA);
sc->sc_ba[1] = pci_conf_read(pc, tag, YDS_PCI_MPU_BA);
break;
case PWR_RESUME:
pci_conf_restore(pc, tag, &sc->sc_pciconf);
/* Disable legacy mode */
reg = pci_conf_read(pc, tag, YDS_PCI_LEGACY);
pci_conf_write(pc, tag, YDS_PCI_LEGACY,
reg & YDS_PCI_LEGACY_LAD);
/* Enable the device. */
reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
reg |= (PCI_COMMAND_IO_ENABLE | PCI_COMMAND_MEM_ENABLE |
PCI_COMMAND_MASTER_ENABLE);
pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, reg);
reg = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
if (yds_init(sc)) {
printf("%s: reinitialize failed\n",
sc->sc_dev.dv_xname);
splx(s);
return;
}
pci_conf_write(pc, tag, YDS_PCI_DSCTRL, sc->sc_dsctrl);
sc->sc_codec[0].codec_if->vtbl->restore_ports(sc->sc_codec[0].codec_if);
break;
case PWR_SOFTRESUME:
pci_conf_write(pc, tag, YDS_PCI_LEGACY, sc->sc_legacy);
pci_conf_write(pc, tag, YDS_PCI_FM_BA, sc->sc_ba[0]);
pci_conf_write(pc, tag, YDS_PCI_MPU_BA, sc->sc_ba[1]);
#if notyet
yds_configure_legacy(addr);
#endif
break;
}
splx(s);
return;
}
static void

10
sys/dev/pci/ydsvar.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: ydsvar.h,v 1.6 2005/12/11 12:22:51 christos Exp $ */
/* $NetBSD: ydsvar.h,v 1.7 2006/06/19 13:55:41 jmcneill Exp $ */
/*
* Copyright (c) 2000, 2001 Kazuki Sakamoto and Minoura Makoto.
@ -111,6 +111,14 @@ struct yds_softc {
bus_space_handle_t sc_mpu_ioh;
struct audio_encoding_set *sc_encodings;
/*
* Power management
*/
struct pci_conf_state sc_pciconf;
pcireg_t sc_dsctrl;
pcireg_t sc_legacy;
pcireg_t sc_ba[2];
};
#define sc_opl_iot sc_legacy_iot
#define sc_mpu_iot sc_legacy_iot