diff options
Diffstat (limited to 'drivers/usb/dwc3/core.h')
| -rw-r--r-- | drivers/usb/dwc3/core.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h index d5b985fa12f4..a5fc92c4ffa3 100644 --- a/drivers/usb/dwc3/core.h +++ b/drivers/usb/dwc3/core.h @@ -993,6 +993,17 @@ struct dwc3_scratchpad_array { }; /** + * struct dwc3_glue_ops - The ops indicate the notifications that + * need to be passed on to glue layer + * @pre_set_role: Notify glue of role switch notifications + * @pre_run_stop: Notify run stop enable/disable information to glue + */ +struct dwc3_glue_ops { + void (*pre_set_role)(struct dwc3 *dwc, enum usb_role role); + void (*pre_run_stop)(struct dwc3 *dwc, bool is_on); +}; + +/** * struct dwc3 - representation of our controller * @drd_work: workqueue used for role swapping * @ep0_trb: trb which is used for the ctrl_req @@ -1012,6 +1023,7 @@ struct dwc3_scratchpad_array { * @eps: endpoint array * @gadget: device side representation of the peripheral controller * @gadget_driver: pointer to the gadget driver + * @glue_ops: Vendor callbacks for flattened device implementations. * @bus_clk: clock for accessing the registers * @ref_clk: reference clock * @susp_clk: clock used when the SS phy is in low power (S3) state @@ -1197,6 +1209,8 @@ struct dwc3 { struct usb_gadget *gadget; struct usb_gadget_driver *gadget_driver; + const struct dwc3_glue_ops *glue_ops; + struct clk *bus_clk; struct clk *ref_clk; struct clk *susp_clk; @@ -1614,6 +1628,18 @@ void dwc3_event_buffers_cleanup(struct dwc3 *dwc); int dwc3_core_soft_reset(struct dwc3 *dwc); void dwc3_enable_susphy(struct dwc3 *dwc, bool enable); +static inline void dwc3_pre_set_role(struct dwc3 *dwc, enum usb_role role) +{ + if (dwc->glue_ops && dwc->glue_ops->pre_set_role) + dwc->glue_ops->pre_set_role(dwc, role); +} + +static inline void dwc3_pre_run_stop(struct dwc3 *dwc, bool is_on) +{ + if (dwc->glue_ops && dwc->glue_ops->pre_run_stop) + dwc->glue_ops->pre_run_stop(dwc, is_on); +} + #if IS_ENABLED(CONFIG_USB_DWC3_HOST) || IS_ENABLED(CONFIG_USB_DWC3_DUAL_ROLE) int dwc3_host_init(struct dwc3 *dwc); void dwc3_host_exit(struct dwc3 *dwc); |