include/linux/platform_data/usb-davinci.h

   1 /*
   2  * USB related definitions
   3  *
   4  * Copyright (C) 2009 MontaVista Software, Inc. <source@mvista.com>
   5  *
   6  * This file is licensed under the terms of the GNU General Public License
   7  * version 2. This program is licensed "as is" without any warranty of any
   8  * kind, whether express or implied.
   9  */
  10
  11 #ifndef __ASM_ARCH_USB_H
  12 #define __ASM_ARCH_USB_H
  13
  14 struct  da8xx_ohci_root_hub;
  15
  16 typedef void (*da8xx_ocic_handler_t)(struct da8xx_ohci_root_hub *hub,
  17                                      unsigned port);
  18
  19 /* Passed as the platform data to the OHCI driver */
  20 struct  da8xx_ohci_root_hub {
  21         /* Switch the port power on/off */
  22         int     (*set_power)(unsigned port, int on);
  23         /* Read the port power status */
  24         int     (*get_power)(unsigned port);
  25         /* Read the port over-current indicator */
  26         int     (*get_oci)(unsigned port);
  27         /* Over-current indicator change notification (pass NULL to disable) */
  28         int     (*ocic_notify)(da8xx_ocic_handler_t handler);
  29
  30         /* Time from power on to power good (in 2 ms units) */
  31         u8      potpgt;
  32 };
  33
  34 void davinci_setup_usb(unsigned mA, unsigned potpgt_ms);
  35
  36 #endif  /* ifndef __ASM_ARCH_USB_H */