// SPDX-License-Identifier: GPL-1.0+ /* * Renesas USB driver * * Copyright (C) 2011 Renesas Solutions Corp. * Copyright (C) 2019 Renesas Electronics Corporation * Kuninori Morimoto <[email protected]> */ #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/io.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/usb/ch9.h> #include <linux/usb/gadget.h> #include <linux/usb/otg.h> #include "common.h" /* * struct */ struct usbhsg_request { … }; #define EP_NAME_SIZE … struct usbhsg_gpriv; struct usbhsg_uep { … }; struct usbhsg_gpriv { … }; struct usbhsg_recip_handle { … }; /* * macro */ #define usbhsg_priv_to_gpriv(priv) … #define __usbhsg_for_each_uep(start, pos, g, i) … #define usbhsg_for_each_uep(pos, gpriv, i) … #define usbhsg_for_each_uep_with_dcp(pos, gpriv, i) … #define usbhsg_gadget_to_gpriv(g) … #define usbhsg_req_to_ureq(r) … #define usbhsg_ep_to_uep(e) … #define usbhsg_gpriv_to_dev(gp) … #define usbhsg_gpriv_to_priv(gp) … #define usbhsg_gpriv_to_dcp(gp) … #define usbhsg_gpriv_to_nth_uep(gp, i) … #define usbhsg_uep_to_gpriv(u) … #define usbhsg_uep_to_pipe(u) … #define usbhsg_pipe_to_uep(p) … #define usbhsg_is_dcp(u) … #define usbhsg_ureq_to_pkt(u) … #define usbhsg_pkt_to_ureq(i) … #define usbhsg_is_not_connected(gp) … /* status */ #define usbhsg_status_init(gp) … #define usbhsg_status_set(gp, b) … #define usbhsg_status_clr(gp, b) … #define usbhsg_status_has(gp, b) … /* * queue push/pop */ static void __usbhsg_queue_pop(struct usbhsg_uep *uep, struct usbhsg_request *ureq, int status) { … } static void usbhsg_queue_pop(struct usbhsg_uep *uep, struct usbhsg_request *ureq, int status) { … } static void usbhsg_queue_done(struct usbhs_priv *priv, struct usbhs_pkt *pkt) { … } static void usbhsg_queue_push(struct usbhsg_uep *uep, struct usbhsg_request *ureq) { … } /* * dma map/unmap */ static int usbhsg_dma_map_ctrl(struct device *dma_dev, struct usbhs_pkt *pkt, int map) { … } /* * USB_TYPE_STANDARD / clear feature functions */ static int usbhsg_recip_handler_std_control_done(struct usbhs_priv *priv, struct usbhsg_uep *uep, struct usb_ctrlrequest *ctrl) { … } static int usbhsg_recip_handler_std_clear_endpoint(struct usbhs_priv *priv, struct usbhsg_uep *uep, struct usb_ctrlrequest *ctrl) { … } static struct usbhsg_recip_handle req_clear_feature = …; /* * USB_TYPE_STANDARD / set feature functions */ static int usbhsg_recip_handler_std_set_device(struct usbhs_priv *priv, struct usbhsg_uep *uep, struct usb_ctrlrequest *ctrl) { … } static int usbhsg_recip_handler_std_set_endpoint(struct usbhs_priv *priv, struct usbhsg_uep *uep, struct usb_ctrlrequest *ctrl) { … } static struct usbhsg_recip_handle req_set_feature = …; /* * USB_TYPE_STANDARD / get status functions */ static void __usbhsg_recip_send_complete(struct usb_ep *ep, struct usb_request *req) { … } static void __usbhsg_recip_send_status(struct usbhsg_gpriv *gpriv, unsigned short status) { … } static int usbhsg_recip_handler_std_get_device(struct usbhs_priv *priv, struct usbhsg_uep *uep, struct usb_ctrlrequest *ctrl) { … } static int usbhsg_recip_handler_std_get_interface(struct usbhs_priv *priv, struct usbhsg_uep *uep, struct usb_ctrlrequest *ctrl) { … } static int usbhsg_recip_handler_std_get_endpoint(struct usbhs_priv *priv, struct usbhsg_uep *uep, struct usb_ctrlrequest *ctrl) { … } static struct usbhsg_recip_handle req_get_status = …; /* * USB_TYPE handler */ static int usbhsg_recip_run_handle(struct usbhs_priv *priv, struct usbhsg_recip_handle *handler, struct usb_ctrlrequest *ctrl) { … } /* * irq functions * * it will be called from usbhs_interrupt */ static int usbhsg_irq_dev_state(struct usbhs_priv *priv, struct usbhs_irq_state *irq_state) { … } static int usbhsg_irq_ctrl_stage(struct usbhs_priv *priv, struct usbhs_irq_state *irq_state) { … } /* * * usb_dcp_ops * */ static int usbhsg_pipe_disable(struct usbhsg_uep *uep) { … } /* * * usb_ep_ops * */ static int usbhsg_ep_enable(struct usb_ep *ep, const struct usb_endpoint_descriptor *desc) { … } static int usbhsg_ep_disable(struct usb_ep *ep) { … } static struct usb_request *usbhsg_ep_alloc_request(struct usb_ep *ep, gfp_t gfp_flags) { … } static void usbhsg_ep_free_request(struct usb_ep *ep, struct usb_request *req) { … } static int usbhsg_ep_queue(struct usb_ep *ep, struct usb_request *req, gfp_t gfp_flags) { … } static int usbhsg_ep_dequeue(struct usb_ep *ep, struct usb_request *req) { … } static int __usbhsg_ep_set_halt_wedge(struct usb_ep *ep, int halt, int wedge) { … } static int usbhsg_ep_set_halt(struct usb_ep *ep, int value) { … } static int usbhsg_ep_set_wedge(struct usb_ep *ep) { … } static const struct usb_ep_ops usbhsg_ep_ops = …; /* * pullup control */ static int usbhsg_can_pullup(struct usbhs_priv *priv) { … } static void usbhsg_update_pullup(struct usbhs_priv *priv) { … } /* * usb module start/end */ static int usbhsg_try_start(struct usbhs_priv *priv, u32 status) { … } static int usbhsg_try_stop(struct usbhs_priv *priv, u32 status) { … } /* * VBUS provided by the PHY */ static int usbhsm_phy_get_vbus(struct platform_device *pdev) { … } static void usbhs_mod_phy_mode(struct usbhs_priv *priv) { … } /* * * linux usb function * */ static int usbhsg_gadget_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver) { … } static int usbhsg_gadget_stop(struct usb_gadget *gadget) { … } /* * usb gadget ops */ static int usbhsg_get_frame(struct usb_gadget *gadget) { … } static int usbhsg_pullup(struct usb_gadget *gadget, int is_on) { … } static int usbhsg_set_selfpowered(struct usb_gadget *gadget, int is_self) { … } static int usbhsg_vbus_session(struct usb_gadget *gadget, int is_active) { … } static const struct usb_gadget_ops usbhsg_gadget_ops = …; static int usbhsg_start(struct usbhs_priv *priv) { … } static int usbhsg_stop(struct usbhs_priv *priv) { … } int usbhs_mod_gadget_probe(struct usbhs_priv *priv) { … } void usbhs_mod_gadget_remove(struct usbhs_priv *priv) { … }
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