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path: root/drivers/pci/controller/cadence/pcie-cadence-host-common.h
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Diffstat (limited to 'drivers/pci/controller/cadence/pcie-cadence-host-common.h')
-rw-r--r--drivers/pci/controller/cadence/pcie-cadence-host-common.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/pci/controller/cadence/pcie-cadence-host-common.h b/drivers/pci/controller/cadence/pcie-cadence-host-common.h
new file mode 100644
index 000000000000..fe7d4202a8b6
--- /dev/null
+++ b/drivers/pci/controller/cadence/pcie-cadence-host-common.h
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Cadence PCIe Host controller driver.
+ *
+ * Copyright (c) 2017 Cadence
+ * Author: Cyrille Pitchen <cyrille.pitchen@free-electrons.com>
+ */
+#ifndef _PCIE_CADENCE_HOST_COMMON_H
+#define _PCIE_CADENCE_HOST_COMMON_H
+
+#include <linux/kernel.h>
+#include <linux/pci.h>
+
+extern u64 bar_max_size[];
+
+typedef int (*cdns_pcie_host_bar_ib_cfg)(struct cdns_pcie_rc *,
+ enum cdns_pcie_rp_bar,
+ u64,
+ u64,
+ unsigned long);
+typedef bool (*cdns_pcie_linkup_func)(struct cdns_pcie *);
+
+int cdns_pcie_host_training_complete(struct cdns_pcie *pcie);
+int cdns_pcie_host_wait_for_link(struct cdns_pcie *pcie,
+ cdns_pcie_linkup_func pcie_link_up);
+int cdns_pcie_retrain(struct cdns_pcie *pcie, cdns_pcie_linkup_func pcie_linkup_func);
+int cdns_pcie_host_start_link(struct cdns_pcie_rc *rc,
+ cdns_pcie_linkup_func pcie_link_up);
+enum cdns_pcie_rp_bar
+cdns_pcie_host_find_min_bar(struct cdns_pcie_rc *rc, u64 size);
+enum cdns_pcie_rp_bar
+cdns_pcie_host_find_max_bar(struct cdns_pcie_rc *rc, u64 size);
+int cdns_pcie_host_dma_ranges_cmp(void *priv, const struct list_head *a,
+ const struct list_head *b);
+int cdns_pcie_host_bar_ib_config(struct cdns_pcie_rc *rc,
+ enum cdns_pcie_rp_bar bar,
+ u64 cpu_addr,
+ u64 size,
+ unsigned long flags);
+int cdns_pcie_host_bar_config(struct cdns_pcie_rc *rc,
+ struct resource_entry *entry,
+ cdns_pcie_host_bar_ib_cfg pci_host_ib_config);
+int cdns_pcie_host_map_dma_ranges(struct cdns_pcie_rc *rc,
+ cdns_pcie_host_bar_ib_cfg pci_host_ib_config);
+
+#endif /* _PCIE_CADENCE_HOST_COMMON_H */