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 #include <linux/usb/phy.h>
  14
  15 struct dwc3_device {
  16         unsigned long base;
  17         enum usb_dr_mode dr_mode;
  18         enum usb_phy_interface hsphy_mode;
  19         u32 maximum_speed;
  20         unsigned tx_fifo_resize:1;
  21         unsigned has_lpm_erratum;
  22         u8 lpm_nyet_threshold;
  23         unsigned is_utmi_l1_suspend;
  24         u8 hird_threshold;
  25         unsigned disable_scramble_quirk;
  26         unsigned u2exit_lfps_quirk;
  27         unsigned u2ss_inp3_quirk;
  28         unsigned req_p1p2p3_quirk;
  29         unsigned del_p1p2p3_quirk;
  30         unsigned del_phy_power_chg_quirk;
  31         unsigned lfps_filter_quirk;
  32         unsigned rx_detect_poll_quirk;
  33         unsigned dis_u3_susphy_quirk;
  34         unsigned dis_u2_susphy_quirk;
  35         unsigned tx_de_emphasis_quirk;
  36         unsigned tx_de_emphasis;
  37         int index;
  38 };
  39
  40 int dwc3_uboot_init(struct dwc3_device *dev);
  41 void dwc3_uboot_exit(int index);
  42 void dwc3_uboot_handle_interrupt(int index);
  43
  44 struct phy;
  45 #if CONFIG_IS_ENABLED(PHY) && CONFIG_IS_ENABLED(DM_USB)
  46 int dwc3_setup_phy(struct udevice *dev, struct phy **array, int *num_phys);
  47 int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys, int num_phys);
  48 #else
  49 static inline int dwc3_setup_phy(struct udevice *dev, struct phy **array,
  50                                  int *num_phys)
  51 {
  52         return -ENOTSUPP;
  53 }
  54
  55 static inline int dwc3_shutdown_phy(struct udevice *dev, struct phy *usb_phys,
  56                                     int num_phys)
  57 {
  58         return -ENOTSUPP;
  59 }
  60 #endif
  61
  62 #endif /* __DWC3_UBOOT_H_ */