pci/controller/pcie-rcar-host.c

51 	int			(*phy_init_fn)(struct rcar_pcie_host *host);
152 static int rcar_pcie_config_access(struct rcar_pcie_host *host,
156 	struct rcar_pcie *pcie = &host->pcie;
235 	struct rcar_pcie_host *host = bus->sysdata;
238 	ret = rcar_pcie_config_access(host, RCAR_PCI_ACCESS_READ,
258 	struct rcar_pcie_host *host = bus->sysdata;
263 	ret = rcar_pcie_config_access(host, RCAR_PCI_ACCESS_READ,
282 	ret = rcar_pcie_config_access(host, RCAR_PCI_ACCESS_WRITE,
347 static void rcar_pcie_hw_enable(struct rcar_pcie_host *host)
349 	struct rcar_pcie *pcie = &host->pcie;
350 	struct pci_host_bridge *bridge = pci_host_bridge_from_priv(host);
375 static int rcar_pcie_enable(struct rcar_pcie_host *host)
377 	struct pci_host_bridge *bridge = pci_host_bridge_from_priv(host);
379 	rcar_pcie_hw_enable(host);
383 	bridge->sysdata = host;
502 static int rcar_pcie_phy_init_h1(struct rcar_pcie_host *host)
504 	struct rcar_pcie *pcie = &host->pcie;
527 static int rcar_pcie_phy_init_gen2(struct rcar_pcie_host *host)
529 	struct rcar_pcie *pcie = &host->pcie;
549 static int rcar_pcie_phy_init_gen3(struct rcar_pcie_host *host)
553 	err = phy_init(host->phy);
557 	err = phy_power_on(host->phy);
559 		phy_exit(host->phy);
566 	struct rcar_pcie_host *host = data;
567 	struct rcar_pcie *pcie = &host->pcie;
568 	struct rcar_msi *msi = &host->msi;
761 static int rcar_pcie_enable_msi(struct rcar_pcie_host *host)
763 	struct rcar_pcie *pcie = &host->pcie;
765 	struct rcar_msi *msi = &host->msi;
783 			       rcar_msi_bottom_chip.name, host);
791 			       rcar_msi_bottom_chip.name, host);
814 static void rcar_pcie_teardown_msi(struct rcar_pcie_host *host)
816 	struct rcar_pcie *pcie = &host->pcie;
824 	rcar_free_domains(&host->msi);
827 static int rcar_pcie_get_resources(struct rcar_pcie_host *host)
829 	struct rcar_pcie *pcie = &host->pcie;
834 	host->phy = devm_phy_optional_get(dev, "pcie");
835 	if (IS_ERR(host->phy))
836 		return PTR_ERR(host->phy);
846 	host->bus_clk = devm_clk_get(dev, "pcie_bus");
847 	if (IS_ERR(host->bus_clk)) {
849 		return PTR_ERR(host->bus_clk);
858 	host->msi.irq1 = i;
866 	host->msi.irq2 = i;
871 	irq_dispose_mapping(host->msi.irq1);
926 static int rcar_pcie_parse_map_dma_ranges(struct rcar_pcie_host *host)
928 	struct pci_host_bridge *bridge = pci_host_bridge_from_priv(host);
933 		err = rcar_pcie_inbound_ranges(&host->pcie, entry, &index);
968 	struct rcar_pcie_host *host;
974 	bridge = devm_pci_alloc_host_bridge(dev, sizeof(*host));
978 	host = pci_host_bridge_priv(bridge);
979 	pcie = &host->pcie;
981 	platform_set_drvdata(pdev, host);
997 	err = rcar_pcie_get_resources(host);
1003 	err = clk_prepare_enable(host->bus_clk);
1009 	err = rcar_pcie_parse_map_dma_ranges(host);
1013 	host->phy_init_fn = of_device_get_match_data(dev);
1014 	err = host->phy_init_fn(host);
1031 		err = rcar_pcie_enable_msi(host);
1040 	err = rcar_pcie_enable(host);
1048 		rcar_pcie_teardown_msi(host);
1051 	if (host->phy) {
1052 		phy_power_off(host->phy);
1053 		phy_exit(host->phy);
1057 	clk_disable_unprepare(host->bus_clk);
1060 	irq_dispose_mapping(host->msi.irq2);
1061 	irq_dispose_mapping(host->msi.irq1);
1072 	struct rcar_pcie_host *host = dev_get_drvdata(dev);
1073 	struct rcar_pcie *pcie = &host->pcie;
1077 	err = rcar_pcie_parse_map_dma_ranges(host);
1082 	err = host->phy_init_fn(host);
1100 		bitmap_to_arr32(&val, host->msi.used, INT_PCI_MSI_NR);
1104 	rcar_pcie_hw_enable(host);
1111 	struct rcar_pcie_host *host = dev_get_drvdata(dev);
1112 	struct rcar_pcie *pcie = &host->pcie;