include/linux/platform_data/s3c-hsotg.h

   1 /* include/linux/platform_data/s3c-hsotg.h
   2  *
   3  * Copyright 2008 Openmoko, Inc.
   4  * Copyright 2008 Simtec Electronics
   5  *      Ben Dooks <ben@simtec.co.uk>
   6  *      http://armlinux.simtec.co.uk/
   7  *
   8  * S3C USB2.0 High-speed / OtG platform information
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13 */
  14
  15 #ifndef __LINUX_USB_S3C_HSOTG_H
  16 #define __LINUX_USB_S3C_HSOTG_H
  17
  18 struct platform_device;
  19
  20 enum s3c_hsotg_dmamode {
  21         S3C_HSOTG_DMA_NONE,     /* do not use DMA at-all */
  22         S3C_HSOTG_DMA_ONLY,     /* always use DMA */
  23         S3C_HSOTG_DMA_DRV,      /* DMA is chosen by driver */
  24 };
  25
  26 /**
  27  * struct s3c_hsotg_plat - platform data for high-speed otg/udc
  28  * @dma: Whether to use DMA or not.
  29  * @is_osc: The clock source is an oscillator, not a crystal
  30  */
  31 struct s3c_hsotg_plat {
  32         enum s3c_hsotg_dmamode  dma;
  33         unsigned int            is_osc:1;
  34         int                     phy_type;
  35
  36         int (*phy_init)(struct platform_device *pdev, int type);
  37         int (*phy_exit)(struct platform_device *pdev, int type);
  38 };
  39
  40 extern void s3c_hsotg_set_platdata(struct s3c_hsotg_plat *pd);
  41
  42 #endif /* __LINUX_USB_S3C_HSOTG_H */