dm: pci: Add driver model API functions for address mapping

At present the PCI address map functions use the old API. Add new functions
for this so that drivers can be converted.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

1 files changed, 59 insertions, 0 deletions

diff --git a/include/pci.h b/include/pci.h
index dcbe978..b61f760 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -1176,6 +1176,65 @@ int pci_get_regions(struct udevice *dev, struct pci_region **iop,
 u32 dm_pci_read_bar32(struct udevice *dev, int barnum);
 
 /**
+ * dm_pci_bus_to_phys() - convert a PCI bus address to a physical address
+ *
+ * @dev:	Device containing the PCI address
+ * @addr:	PCI address to convert
+ * @flags:	Flags for the region type (PCI_REGION_...)
+ * @return physical address corresponding to that PCI bus address
+ */
+phys_addr_t dm_pci_bus_to_phys(struct udevice *dev, pci_addr_t addr,
+			       unsigned long flags);
+
+/**
+ * dm_pci_phys_to_bus() - convert a physical address to a PCI bus address
+ *
+ * @dev:	Device containing the bus address
+ * @addr:	Physical address to convert
+ * @flags:	Flags for the region type (PCI_REGION_...)
+ * @return PCI bus address corresponding to that physical address
+ */
+pci_addr_t dm_pci_phys_to_bus(struct udevice *dev, phys_addr_t addr,
+			      unsigned long flags);
+
+/**
+ * dm_pci_map_bar() - get a virtual address associated with a BAR region
+ *
+ * Looks up a base address register and finds the physical memory address
+ * that corresponds to it
+ *
+ * @dev:	Device to check
+ * @bar:	Bar number to read (numbered from 0)
+ * @flags:	Flags for the region type (PCI_REGION_...)
+ * @return: pointer to the virtual address to use
+ */
+void *dm_pci_map_bar(struct udevice *dev, int bar, int flags);
+
+#define dm_pci_virt_to_bus(dev, addr, flags) \
+	dm_pci_phys_to_bus(dev, (virt_to_phys(addr)), (flags))
+#define dm_pci_bus_to_virt(dev, addr, flags, len, map_flags) \
+	map_physmem(dm_pci_bus_to_phys(dev, (addr), (flags)), \
+		    (len), (map_flags))
+
+#define dm_pci_phys_to_mem(dev, addr) \
+	dm_pci_phys_to_bus((dev), (addr), PCI_REGION_MEM)
+#define dm_pci_mem_to_phys(dev, addr) \
+	dm_pci_bus_to_phys((dev), (addr), PCI_REGION_MEM)
+#define dm_pci_phys_to_io(dev, addr) \
+	dm_pci_phys_to_bus((dev), (addr), PCI_REGION_IO)
+#define dm_pci_io_to_phys(dev, addr) \
+	dm_pci_bus_to_phys((dev), (addr), PCI_REGION_IO)
+
+#define dm_pci_virt_to_mem(dev, addr) \
+	dm_pci_virt_to_bus((dev), (addr), PCI_REGION_MEM)
+#define dm_pci_mem_to_virt(dev, addr, len, map_flags) \
+	dm_pci_bus_to_virt((dev), (addr), PCI_REGION_MEM, (len), (map_flags))
+#define dm_pci_virt_to_io(dev, addr) \
+	dm_dm_pci_virt_to_bus((dev), (addr), PCI_REGION_IO)
+#define dm_pci_io_to_virt(dev, addr, len, map_flags) \
+	dm_dm_pci_bus_to_virt((dev), (addr), PCI_REGION_IO, (len), (map_flags))
+
+/**
  * dm_pci_find_device() - find a device by vendor/device ID
  *
  * @vendor:	Vendor ID