diff options
Diffstat (limited to 'drivers/bcma/host_pci.c')
-rw-r--r-- | drivers/bcma/host_pci.c | 77 |
1 files changed, 76 insertions, 1 deletions
diff --git a/drivers/bcma/host_pci.c b/drivers/bcma/host_pci.c index 53c6a8a58859..0856189c065f 100644 --- a/drivers/bcma/host_pci.c +++ b/drivers/bcma/host_pci.c @@ -213,16 +213,26 @@ static int bcma_host_pci_probe(struct pci_dev *dev, /* Initialize struct, detect chip */ bcma_init_bus(bus); + /* Scan bus to find out generation of PCIe core */ + err = bcma_bus_scan(bus); + if (err) + goto err_pci_unmap_mmio; + + if (bcma_find_core(bus, BCMA_CORE_PCIE2)) + bus->host_is_pcie2 = true; + /* Register */ err = bcma_bus_register(bus); if (err) - goto err_pci_unmap_mmio; + goto err_unregister_cores; pci_set_drvdata(dev, bus); out: return err; +err_unregister_cores: + bcma_unregister_cores(bus); err_pci_unmap_mmio: pci_iounmap(dev, bus->mmio); err_pci_release_regions: @@ -283,9 +293,12 @@ static const struct pci_device_id bcma_pci_bridge_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4357) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4358) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4359) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4360) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4365) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a0) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43a9) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43aa) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x43b1) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4727) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43227) }, /* 0xa8db, BCM43217 (sic!) */ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 43228) }, /* 0xa8dc */ @@ -310,3 +323,65 @@ void __exit bcma_host_pci_exit(void) { pci_unregister_driver(&bcma_pci_bridge_driver); } + +/************************************************** + * Runtime ops for drivers. + **************************************************/ + +/* See also pcicore_up */ +void bcma_host_pci_up(struct bcma_bus *bus) +{ + if (bus->hosttype != BCMA_HOSTTYPE_PCI) + return; + + if (bus->host_is_pcie2) + bcma_core_pcie2_up(&bus->drv_pcie2); + else + bcma_core_pci_up(&bus->drv_pci[0]); +} +EXPORT_SYMBOL_GPL(bcma_host_pci_up); + +/* See also pcicore_down */ +void bcma_host_pci_down(struct bcma_bus *bus) +{ + if (bus->hosttype != BCMA_HOSTTYPE_PCI) + return; + + if (!bus->host_is_pcie2) + bcma_core_pci_down(&bus->drv_pci[0]); +} +EXPORT_SYMBOL_GPL(bcma_host_pci_down); + +/* See also si_pci_setup */ +int bcma_host_pci_irq_ctl(struct bcma_bus *bus, struct bcma_device *core, + bool enable) +{ + struct pci_dev *pdev; + u32 coremask, tmp; + int err = 0; + + if (bus->hosttype != BCMA_HOSTTYPE_PCI) { + /* This bcma device is not on a PCI host-bus. So the IRQs are + * not routed through the PCI core. + * So we must not enable routing through the PCI core. */ + goto out; + } + + pdev = bus->host_pci; + + err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp); + if (err) + goto out; + + coremask = BIT(core->core_index) << 8; + if (enable) + tmp |= coremask; + else + tmp &= ~coremask; + + err = pci_write_config_dword(pdev, BCMA_PCI_IRQMASK, tmp); + +out: + return err; +} +EXPORT_SYMBOL_GPL(bcma_host_pci_irq_ctl); |