include/linux/usb/ehci_pdriver.h

   1 /*
   2  * Copyright (C) 2012 Hauke Mehrtens <hauke@hauke-m.de>
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU General Public License as published by the
   6  * Free Software Foundation; either version 2 of the License, or (at your
   7  * option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  11  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software Foundation,
  16  * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17  */
  18
  19 #ifndef __USB_CORE_EHCI_PDRIVER_H
  20 #define __USB_CORE_EHCI_PDRIVER_H
  21
  22 /**
  23  * struct usb_ehci_pdata - platform_data for generic ehci driver
  24  *
  25  * @caps_offset:        offset of the EHCI Capability Registers to the start of
  26  *                      the io memory region provided to the driver.
  27  * @has_tt:             set to 1 if TT is integrated in root hub.
  28  * @port_power_on:      set to 1 if the controller needs a power up after
  29  *                      initialization.
  30  * @port_power_off:     set to 1 if the controller needs to be powered down
  31  *                      after initialization.
  32  *
  33  * These are general configuration options for the EHCI controller. All of
  34  * these options are activating more or less workarounds for some hardware.
  35  */
  36 struct usb_ehci_pdata {
  37         int             caps_offset;
  38         unsigned        has_tt:1;
  39         unsigned        has_synopsys_hc_bug:1;
  40         unsigned        big_endian_desc:1;
  41         unsigned        big_endian_mmio:1;
  42         unsigned        port_power_on:1;
  43         unsigned        port_power_off:1;
  44 };
  45
  46 #endif /* __USB_CORE_EHCI_PDRIVER_H */