include/linux/usb/chipidea.h

   1 /*
   2  * Platform data for the chipidea USB dual role controller
   3  */
   4
   5 #ifndef __LINUX_USB_CHIPIDEA_H
   6 #define __LINUX_USB_CHIPIDEA_H
   7
   8 #include <linux/usb/otg.h>
   9
  10 struct ci_hdrc;
  11 struct ci_hdrc_platform_data {
  12         const char      *name;
  13         /* offset of the capability registers */
  14         uintptr_t        capoffset;
  15         unsigned         power_budget;
  16         struct phy      *phy;
  17         /* old usb_phy interface */
  18         struct usb_phy  *usb_phy;
  19         enum usb_phy_interface phy_mode;
  20         unsigned long    flags;
  21 #define CI_HDRC_REGS_SHARED             BIT(0)
  22 #define CI_HDRC_DISABLE_DEVICE_STREAMING        BIT(1)
  23 #define CI_HDRC_SUPPORTS_RUNTIME_PM     BIT(2)
  24 #define CI_HDRC_DISABLE_HOST_STREAMING  BIT(3)
  25 #define CI_HDRC_DISABLE_STREAMING (CI_HDRC_DISABLE_DEVICE_STREAMING |   \
  26                 CI_HDRC_DISABLE_HOST_STREAMING)
  27         /*
  28          * Only set it when DCCPARAMS.DC==1 and DCCPARAMS.HC==1,
  29          * but otg is not supported (no register otgsc).
  30          */
  31 #define CI_HDRC_DUAL_ROLE_NOT_OTG       BIT(4)
  32 #define CI_HDRC_IMX28_WRITE_FIX         BIT(5)
  33 #define CI_HDRC_FORCE_FULLSPEED         BIT(6)
  34 #define CI_HDRC_TURN_VBUS_EARLY_ON      BIT(7)
  35 #define CI_HDRC_SET_NON_ZERO_TTHA       BIT(8)
  36 #define CI_HDRC_OVERRIDE_AHB_BURST      BIT(9)
  37 #define CI_HDRC_OVERRIDE_TX_BURST       BIT(10)
  38 #define CI_HDRC_OVERRIDE_RX_BURST       BIT(11)
  39         enum usb_dr_mode        dr_mode;
  40 #define CI_HDRC_CONTROLLER_RESET_EVENT          0
  41 #define CI_HDRC_CONTROLLER_STOPPED_EVENT        1
  42         void    (*notify_event) (struct ci_hdrc *ci, unsigned event);
  43         struct regulator        *reg_vbus;
  44         struct usb_otg_caps     ci_otg_caps;
  45         bool                    tpl_support;
  46         /* interrupt threshold setting */
  47         u32                     itc_setting;
  48         u32                     ahb_burst_config;
  49         u32                     tx_burst_size;
  50         u32                     rx_burst_size;
  51 };
  52
  53 /* Default offset of capability registers */
  54 #define DEF_CAPOFFSET           0x100
  55
  56 /* Add ci hdrc device */
  57 struct platform_device *ci_hdrc_add_device(struct device *dev,
  58                         struct resource *res, int nres,
  59                         struct ci_hdrc_platform_data *platdata);
  60 /* Remove ci hdrc device */
  61 void ci_hdrc_remove_device(struct platform_device *pdev);
  62
  63 #endif