/** * struct cdns_role_driver - host/gadget role driver * @start: start this role * @stop: stop this role * @suspend: suspend callback for this role * @resume: resume callback for this role * @irq: irq handler for this role * @name: role name string (host/gadget) * @state: current state
*/ struct cdns_role_driver { int (*start)(struct cdns *cdns); void (*stop)(struct cdns *cdns); int (*suspend)(struct cdns *cdns, bool do_wakeup); int (*resume)(struct cdns *cdns, bool lost_power); constchar *name; #define CDNS_ROLE_STATE_INACTIVE 0 #define CDNS_ROLE_STATE_ACTIVE 1 int state;
};
/** * struct cdns - Representation of Cadence USB3 DRD controller. * @dev: pointer to Cadence device struct * @xhci_regs: pointer to base of xhci registers * @xhci_res: the resource for xhci * @dev_regs: pointer to base of dev registers * @otg_res: the resource for otg * @otg_v0_regs: pointer to base of v0 otg registers * @otg_v1_regs: pointer to base of v1 otg registers * @otg_cdnsp_regs: pointer to base of CDNSP otg registers * @otg_regs: pointer to base of otg registers * @otg_irq_regs: pointer to interrupt registers * @otg_irq: irq number for otg controller * @dev_irq: irq number for device controller * @wakeup_irq: irq number for wakeup event, it is optional * @roles: array of supported roles for this controller * @role: current role * @host_dev: the child host device pointer for cdns core * @gadget_dev: the child gadget device pointer * @usb2_phy: pointer to USB2 PHY * @usb3_phy: pointer to USB3 PHY * @mutex: the mutex for concurrent code at driver * @dr_mode: supported mode of operation it can be only Host, only Device * or OTG mode that allow to switch between Device and Host mode. * This field based on firmware setting, kernel configuration * and hardware configuration. * @role_sw: pointer to role switch object. * @in_lpm: indicate the controller is in low power mode * @wakeup_pending: wakeup interrupt pending * @pdata: platform data from glue layer * @lock: spinlock structure * @xhci_plat_data: xhci private data structure pointer * @override_apb_timeout: hold value of APB timeout. For value 0 the default * value in CHICKEN_BITS_3 will be preserved. * @gadget_init: pointer to gadget initialization function
*/ struct cdns { struct device *dev; void __iomem *xhci_regs; struct resource xhci_res[CDNS_XHCI_RESOURCES_NUM]; struct cdns3_usb_regs __iomem *dev_regs;
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