include/dwc3-uboot.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* include/dwc3-uboot.h
   3  *
   4  * Copyright (c) 2015 Texas Instruments Incorporated - http://www.ti.com
   5  *
   6  * Designware SuperSpeed USB uboot init
   7  */
   8
   9 #ifndef __DWC3_UBOOT_H_
  10 #define __DWC3_UBOOT_H_
  11
  12 #include <linux/usb/otg.h>
  13
  14 struct dwc3_device {
  15         unsigned long base;
  16         enum usb_dr_mode dr_mode;
  17         u32 maximum_speed;
  18         unsigned tx_fifo_resize:1;
  19         unsigned has_lpm_erratum;
  20         u8 lpm_nyet_threshold;
  21         unsigned is_utmi_l1_suspend;
  22         u8 hird_threshold;
  23         unsigned disable_scramble_quirk;
  24         unsigned u2exit_lfps_quirk;
  25         unsigned u2ss_inp3_quirk;
  26         unsigned req_p1p2p3_quirk;
  27         unsigned del_p1p2p3_quirk;
  28         unsigned del_phy_power_chg_quirk;
  29         unsigned lfps_filter_quirk;
  30         unsigned rx_detect_poll_quirk;
  31         unsigned dis_u3_susphy_quirk;
  32         unsigned dis_u2_susphy_quirk;
  33         unsigned tx_de_emphasis_quirk;
  34         unsigned tx_de_emphasis;
  35         int index;
  36 };
  37
  38 int dwc3_uboot_init(struct dwc3_device *dev);
  39 void dwc3_uboot_exit(int index);
  40 void dwc3_uboot_handle_interrupt(int index);
  41
  42 struct phy;
  43 #if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
  44 int dwc3_setup_phy(struct udevice *dev, struct phy **array, int *num_phys);
  45 int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys, int num_phys);
  46 #else
  47 static inline int dwc3_setup_phy(struct udevice *dev, struct phy **array,
  48                                  int *num_phys)
  49 {
  50         return -ENOTSUPP;
  51 }
  52
  53 static inline int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys,
  54                                     int num_phys)
  55 {
  56         return -ENOTSUPP;
  57 }
  58 #endif
  59
  60 #endif /* __DWC3_UBOOT_H_ */