diff options
Diffstat (limited to 'include/driver/retimer/bb_retimer_public.h')
| -rw-r--r-- | include/driver/retimer/bb_retimer_public.h | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/include/driver/retimer/bb_retimer_public.h b/include/driver/retimer/bb_retimer_public.h new file mode 100644 index 0000000000..69a3b1d851 --- /dev/null +++ b/include/driver/retimer/bb_retimer_public.h @@ -0,0 +1,41 @@ +/* Copyright 2021 The Chromium OS Authors. All rights reserved. + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + * + * Public header for Intel Burnside Bridge - Thunderbolt/USB/DisplayPort Retimer + */ + +#ifndef __CROS_EC_DRIVER_RETIMER_BB_RETIMER_PUBLIC_H +#define __CROS_EC_DRIVER_RETIMER_BB_RETIMER_PUBLIC_H + +/* Supported USB retimer drivers */ +extern const struct usb_mux_driver bb_usb_retimer; + +/* Retimer driver hardware specific controls */ +struct bb_usb_control { + /* Load switch enable */ + enum gpio_signal usb_ls_en_gpio; + /* Retimer reset */ + enum gpio_signal retimer_rst_gpio; +}; + +#ifndef CONFIG_USBC_RETIMER_INTEL_BB_RUNTIME_CONFIG +extern const struct bb_usb_control bb_controls[]; +#else +extern struct bb_usb_control bb_controls[]; +#endif + +/** + * Handle the power state of BB retimer + * + * Define override function at board level if the platform specific changes + * are needed to handle the power state of BB retimer. + * + * @param me Pointer to USB mux + * @param on_off BB retimer state to be changed + * + */ +__override_proto void bb_retimer_power_handle(const struct usb_mux *me, + int on_off); + +#endif /* __CROS_EC_DRIVER_RETIMER_BB_RETIMER_PUBLIC_H */ |