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Add power on to start sequence for 4.x kernels.

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PR:		kern/26255
Submitted by:	WATANABE Kiyoshi <aab10490@pop16.odn.ne.jp>
This commit is contained in:
orion 2001-04-19 13:23:50 +00:00
parent b126f52c7f
commit 5b80fb5f95
2 changed files with 12 additions and 2 deletions
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13
sys/dev/sound/pci/cs4281.c
View File

@ -767,8 +767,6 @@ cs4281_pci_attach(device_t dev)
data |= (PCIM_CMD_PORTEN | PCIM_CMD_MEMEN | PCIM_CMD_BUSMASTEREN);
pci_write_config(dev, PCIR_COMMAND, data, 2);
data = pci_read_config(dev, PCIR_COMMAND, 2);
#if __FreeBSD_version > 500000
if (pci_get_powerstate(dev) != PCI_POWERSTATE_D0) {
/* Reset the power state. */
@ -777,7 +775,18 @@ cs4281_pci_attach(device_t dev)
pci_set_powerstate(dev, PCI_POWERSTATE_D0);
}
#else
data = pci_read_config(dev, CS4281PCI_PMCS_OFFSET, 4);
if (data & CS4281PCI_PMCS_PS_MASK) {
/* Reset the power state. */
device_printf(dev, "chip is in D%d power mode "
"-- setting to D0\n",
data & CS4281PCI_PMCS_PS_MASK);
pci_write_config(dev, CS4281PCI_PMCS_OFFSET,
data & ~CS4281PCI_PMCS_PS_MASK, 4);
}
#endif
sc->regid = PCIR_MAPS;
sc->regtype = SYS_RES_MEMORY;
sc->reg = bus_alloc_resource(dev, sc->regtype, &sc->regid,

1
sys/dev/sound/pci/cs4281.h
View File

@ -103,6 +103,7 @@
#define CS4281PCI_PMCS 0x344
# define CS4281PCI_PMCS_PS_MASK 0x00000003
#define CS4281PCI_PMCS_OFFSET (CS4281PCI_PMCS - 0x300)
#define CS4281PCI_CWPR 0x3e0
# define CS4281PCI_CWPR_MAGIC 0x00004281