diff options
Diffstat (limited to 'drivers/ide/pci/delkin_cb.c')
| -rw-r--r-- | drivers/ide/pci/delkin_cb.c | 63 |
1 files changed, 56 insertions, 7 deletions
diff --git a/drivers/ide/pci/delkin_cb.c b/drivers/ide/pci/delkin_cb.c index 8689a706f537..8f1b2d9f0513 100644 --- a/drivers/ide/pci/delkin_cb.c +++ b/drivers/ide/pci/delkin_cb.c @@ -46,10 +46,27 @@ static const struct ide_port_ops delkin_cb_port_ops = { .quirkproc = ide_undecoded_slave, }; +static unsigned int delkin_cb_init_chipset(struct pci_dev *dev) +{ + unsigned long base = pci_resource_start(dev, 0); + int i; + + outb(0x02, base + 0x1e); /* set nIEN to block interrupts */ + inb(base + 0x17); /* read status to clear interrupts */ + + for (i = 0; i < sizeof(setup); ++i) { + if (setup[i]) + outb(setup[i], base + i); + } + + return 0; +} + static const struct ide_port_info delkin_cb_port_info = { .port_ops = &delkin_cb_port_ops, .host_flags = IDE_HFLAG_IO_32BIT | IDE_HFLAG_UNMASK_IRQS | IDE_HFLAG_NO_DMA, + .init_chipset = delkin_cb_init_chipset, }; static int __devinit @@ -57,7 +74,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) { struct ide_host *host; unsigned long base; - int i, rc; + int rc; hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; rc = pci_enable_device(dev); @@ -72,12 +89,8 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) return rc; } base = pci_resource_start(dev, 0); - outb(0x02, base + 0x1e); /* set nIEN to block interrupts */ - inb(base + 0x17); /* read status to clear interrupts */ - for (i = 0; i < sizeof(setup); ++i) { - if (setup[i]) - outb(setup[i], base + i); - } + + delkin_cb_init_chipset(dev); memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, base + 0x10, base + 0x1e); @@ -110,6 +123,40 @@ delkin_cb_remove (struct pci_dev *dev) pci_disable_device(dev); } +#ifdef CONFIG_PM +static int delkin_cb_suspend(struct pci_dev *dev, pm_message_t state) +{ + pci_save_state(dev); + pci_disable_device(dev); + pci_set_power_state(dev, pci_choose_state(dev, state)); + + return 0; +} + +static int delkin_cb_resume(struct pci_dev *dev) +{ + struct ide_host *host = pci_get_drvdata(dev); + int rc; + + pci_set_power_state(dev, PCI_D0); + + rc = pci_enable_device(dev); + if (rc) + return rc; + + pci_restore_state(dev); + pci_set_master(dev); + + if (host->init_chipset) + host->init_chipset(dev); + + return 0; +} +#else +#define delkin_cb_suspend NULL +#define delkin_cb_resume NULL +#endif + static struct pci_device_id delkin_cb_pci_tbl[] __devinitdata = { { 0x1145, 0xf021, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, { 0x1145, 0xf024, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, @@ -122,6 +169,8 @@ static struct pci_driver delkin_cb_pci_driver = { .id_table = delkin_cb_pci_tbl, .probe = delkin_cb_probe, .remove = delkin_cb_remove, + .suspend = delkin_cb_suspend, + .resume = delkin_cb_resume, }; static int __init delkin_cb_init(void) |