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kernel/linux-imx6_3.14.28/include/linux/usb/chipidea.h 2.05 KB
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  /*
   * Platform data for the chipidea USB dual role controller
   */
  
  #ifndef __LINUX_USB_CHIPIDEA_H
  #define __LINUX_USB_CHIPIDEA_H
  
  #include <linux/usb/otg.h>
  
  struct ci_hdrc;
  struct ci_hdrc_platform_data {
  	const char	*name;
  	/* offset of the capability registers */
  	uintptr_t	 capoffset;
  	unsigned	 power_budget;
  	struct phy	*phy;
  	/* old usb_phy interface */
  	struct usb_phy	*usb_phy;
  	enum usb_phy_interface phy_mode;
  	unsigned long	 flags;
  #define CI_HDRC_REGS_SHARED		BIT(0)
  #define CI_HDRC_SUPPORTS_RUNTIME_PM	BIT(2)
  	/*
  	 * Only set it when DCCPARAMS.DC==1 and DCCPARAMS.HC==1,
  	 * but otg is not supported (no register otgsc).
  	 */
  #define CI_HDRC_DUAL_ROLE_NOT_OTG	BIT(4)
  #define CI_HDRC_IMX28_WRITE_FIX		BIT(5)
  #define CI_HDRC_FORCE_FULLSPEED		BIT(6)
  #define CI_HDRC_IMX_EHCI_QUIRK		BIT(7)
  #define CI_HDRC_IMX_IS_HSIC		BIT(8)
  #define CI_HDRC_DISABLE_DEVICE_STREAMING	BIT(9)
  #define CI_HDRC_DISABLE_HOST_STREAMING		BIT(10)
  #define CI_HDRC_DISABLE_STREAMING (CI_HDRC_DISABLE_DEVICE_STREAMING |	\
  		CI_HDRC_DISABLE_HOST_STREAMING)
  #define CI_HDRC_OVERRIDE_AHB_BURST		BIT(11)
  #define CI_HDRC_OVERRIDE_BURST_LENGTH		BIT(12)
  #define CI_HDRC_IMX_VBUS_EARLY_ON		BIT(13)
  	enum usb_dr_mode	dr_mode;
  #define CI_HDRC_CONTROLLER_RESET_EVENT		0
  #define CI_HDRC_CONTROLLER_STOPPED_EVENT	1
  #define CI_HDRC_CONTROLLER_VBUS_EVENT		2
  #define CI_HDRC_NOTIFY_RET_DEFER_EVENT		3
  #define CI_HDRC_CONTROLLER_CHARGER_POST_EVENT	4
  #define CI_HDRC_IMX_HSIC_ACTIVE_EVENT		5
  #define CI_HDRC_IMX_HSIC_SUSPEND_EVENT		6
  	int	(*notify_event)(struct ci_hdrc *ci, unsigned event);
  	struct regulator	*reg_vbus;
  	bool			tpl_support;
  	u32			ahbburst_config;
  	u32			burst_length;
  };
  
  /* Default offset of capability registers */
  #define DEF_CAPOFFSET		0x100
  
  /* Add ci hdrc device */
  struct platform_device *ci_hdrc_add_device(struct device *dev,
  			struct resource *res, int nres,
  			struct ci_hdrc_platform_data *platdata);
  /* Remove ci hdrc device */
  void ci_hdrc_remove_device(struct platform_device *pdev);
  
  /* Get current available role */
  enum usb_dr_mode ci_hdrc_query_available_role(struct platform_device *pdev);
  #endif