drivers/pci/host/pcie-iproc.h

   1 /*
   2  * Copyright (C) 2014-2015 Broadcom Corporation
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation version 2.
   7  *
   8  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
   9  * kind, whether express or implied; without even the implied warranty
  10  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef _PCIE_IPROC_H
  15 #define _PCIE_IPROC_H
  16
  17 /**
  18  * iProc PCIe outbound mapping
  19  * @set_oarr_size: indicates the OARR size bit needs to be set
  20  * @axi_offset: offset from the AXI address to the internal address used by
  21  * the iProc PCIe core
  22  * @window_size: outbound window size
  23  */
  24 struct iproc_pcie_ob {
  25         bool set_oarr_size;
  26         resource_size_t axi_offset;
  27         resource_size_t window_size;
  28 };
  29
  30 /**
  31  * iProc PCIe device
  32  * @dev: pointer to device data structure
  33  * @base: PCIe host controller I/O register base
  34  * @sysdata: Per PCI controller data (ARM-specific)
  35  * @root_bus: pointer to root bus
  36  * @phy: optional PHY device that controls the Serdes
  37  * @irqs: interrupt IDs
  38  * @map_irq: function callback to map interrupts
  39  * @need_ob_cfg: indidates SW needs to configure the outbound mapping window
  40  * @ob: outbound mapping parameters
  41  */
  42 struct iproc_pcie {
  43         struct device *dev;
  44         void __iomem *base;
  45 #ifdef CONFIG_ARM
  46         struct pci_sys_data sysdata;
  47 #endif
  48         struct pci_bus *root_bus;
  49         struct phy *phy;
  50         int (*map_irq)(const struct pci_dev *, u8, u8);
  51         bool need_ob_cfg;
  52         struct iproc_pcie_ob ob;
  53 };
  54
  55 int iproc_pcie_setup(struct iproc_pcie *pcie, struct list_head *res);
  56 int iproc_pcie_remove(struct iproc_pcie *pcie);
  57
  58 #endif /* _PCIE_IPROC_H */