src/include/device/pci_ehci.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2
   3 #ifndef _PCI_EHCI_H_
   4 #define _PCI_EHCI_H_
   5
   6 #include <device/device.h>
   7 #include <device/pci_type.h>
   8 #include <stdint.h>
   9
  10 #define EHCI_BAR_INDEX          0x10
  11 #define PCI_EHCI_CLASSCODE      0x0c0320  /* USB2.0 with EHCI controller */
  12
  13 /* Return PCI BDF for an EHCI controller by a given index. PCI function
  14  * must already be powered to respond to configuration requests.
  15  */
  16 pci_devfn_t pci_ehci_dbg_dev(unsigned int hcd_idx);
  17
  18 u8 *pci_ehci_base_regs(pci_devfn_t dev);
  19 void pci_ehci_dbg_set_port(pci_devfn_t dev, unsigned int port);
  20
  21 #if !CONFIG(USBDEBUG)
  22 #define pci_ehci_read_resources pci_dev_read_resources
  23 #else
  24 /* Relocation of EHCI Debug Port BAR
  25  *
  26  * PCI EHCI controller with Debug Port capability shall replace
  27  * pci_dev_read_resources() with pci_ehci_read_resources() in its
  28  * declaration of device_operations for .read_resources.
  29  * This installs a hook to reconfigure usbdebug when resource allocator
  30  * assigns a new BAR for the device.
  31  */
  32 struct device;
  33 void pci_ehci_read_resources(struct device *dev);
  34 #endif
  35
  36 #endif /* _PCI_EHCI_H_ */