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/linux-5.15/drivers/usb/gadget/udc/
A Dcore.c39 struct usb_gadget *gadget; member
468 int usb_gadget_frame_number(struct usb_gadget *gadget) in usb_gadget_frame_number() argument
472 ret = gadget->ops->get_frame(gadget); in usb_gadget_frame_number()
474 trace_usb_gadget_frame_number(gadget, ret); in usb_gadget_frame_number()
493 int usb_gadget_wakeup(struct usb_gadget *gadget) in usb_gadget_wakeup() argument
497 if (!gadget->ops->wakeup) { in usb_gadget_wakeup()
502 ret = gadget->ops->wakeup(gadget); in usb_gadget_wakeup()
505 trace_usb_gadget_wakeup(gadget, ret); in usb_gadget_wakeup()
520 int usb_gadget_set_selfpowered(struct usb_gadget *gadget) in usb_gadget_set_selfpowered() argument
524 if (!gadget->ops->set_selfpowered) { in usb_gadget_set_selfpowered()
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/linux-5.15/include/linux/usb/
H A Dgadget.h326 void (*udc_set_ssp_rate)(struct usb_gadget *gadget,
328 void (*udc_async_callbacks)(struct usb_gadget *gadget, bool enable);
332 int (*check_config)(struct usb_gadget *gadget);
453 static inline void set_gadget_data(struct usb_gadget *gadget, void *data) in set_gadget_data() argument
454 { dev_set_drvdata(&gadget->dev, data); } in set_gadget_data()
455 static inline void *get_gadget_data(struct usb_gadget *gadget) in get_gadget_data() argument
456 { return dev_get_drvdata(&gadget->dev); } in get_gadget_data()
461 static inline struct usb_gadget *usb_get_gadget(struct usb_gadget *gadget) in usb_get_gadget() argument
463 get_device(&gadget->dev); in usb_get_gadget()
464 return gadget; in usb_get_gadget()
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/linux-5.15/Documentation/ABI/testing/
H A Dconfigfs-usb-gadget1 What: /config/usb-gadget
8 What: /config/usb-gadget/gadget
13 The attributes of a gadget:
16 UDC bind a gadget to UDC/unbind a gadget;
18 to bind a gadget, empty string "" to unbind.
34 What: /config/usb-gadget/gadget/configs
38 This group contains a USB gadget's configurations
40 What: /config/usb-gadget/gadget/configs/config
51 What: /config/usb-gadget/gadget/configs/config/strings
58 What: /config/usb-gadget/gadget/configs/config/strings/language
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A Dconfigfs-usb-gadget-uvc1 What: /config/usb-gadget/gadget/functions/uvc.name
12 What: /config/usb-gadget/gadget/functions/uvc.name/control
24 What: /config/usb-gadget/gadget/functions/uvc.name/control/class
29 What: /config/usb-gadget/gadget/functions/uvc.name/control/class/ss
34 What: /config/usb-gadget/gadget/functions/uvc.name/control/class/fs
39 What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal
44 What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/output
49 What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/output/default
66 What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera
71 What: /config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera/default
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H A Dsysfs-devices-platform-_UDC_-gadget1 What: /sys/devices/platform/_UDC_/gadget/suspended
5 Show the suspend state of an USB composite gadget.
12 What: /sys/devices/platform/_UDC_/gadget/gadget-lunX/nofua
17 the SCSI WRITE(10,12) commands when a gadget in USB Mass
/linux-5.15/drivers/usb/gadget/
H A Depautoconf.c64 struct usb_gadget *gadget, in usb_ep_autoconfig_ss() argument
71 if (gadget->ops->match_ep) { in usb_ep_autoconfig_ss()
72 ep = gadget->ops->match_ep(gadget, desc, ep_comp); in usb_ep_autoconfig_ss()
78 list_for_each_entry (ep, &gadget->ep_list, ep_list) { in usb_ep_autoconfig_ss()
79 if (usb_gadget_ep_match_desc(gadget, ep, desc, ep_comp)) in usb_ep_autoconfig_ss()
100 if (++gadget->in_epnum > 15) in usb_ep_autoconfig_ss()
102 desc->bEndpointAddress = USB_DIR_IN | gadget->in_epnum; in usb_ep_autoconfig_ss()
104 if (++gadget->out_epnum > 15) in usb_ep_autoconfig_ss()
106 desc->bEndpointAddress |= gadget->out_epnum; in usb_ep_autoconfig_ss()
150 struct usb_gadget *gadget, in usb_ep_autoconfig() argument
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H A Dcomposite.c398 status = usb_gadget_deactivate(cdev->gadget); in usb_function_deactivate()
433 status = usb_gadget_activate(cdev->gadget); in usb_function_activate()
554 struct usb_gadget *gadget = cdev->gadget; in config_desc() local
560 if (gadget->speed >= USB_SPEED_SUPER) in config_desc()
561 speed = gadget->speed; in config_desc()
562 else if (gadget_is_dualspeed(gadget)) { in config_desc()
564 if (gadget->speed == USB_SPEED_HIGH) in config_desc()
617 struct usb_gadget *gadget = cdev->gadget; in count_configs() local
624 if (gadget_is_dualspeed(gadget)) { in count_configs()
625 if (gadget->speed == USB_SPEED_HIGH) in count_configs()
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/linux-5.15/drivers/usb/gadget/legacy/
A Ddbgp.c27 struct usb_gadget *gadget; member
124 dev_dbg(&dbgp.gadget->dev, in dbgp_complete()
162 dev_dbg(&dbgp.gadget->dev, in dbgp_enable_ep_req()
204 dev_dbg(&dbgp.gadget->dev, "enable ep: failure (%d:%d)\n", stp, err); in dbgp_enable_ep()
209 static void dbgp_disconnect(struct usb_gadget *gadget) in dbgp_disconnect() argument
218 static void dbgp_unbind(struct usb_gadget *gadget) in dbgp_unbind() argument
226 usb_ep_free_request(gadget->ep0, dbgp.req); in dbgp_unbind()
235 static int dbgp_configure_endpoints(struct usb_gadget *gadget) in dbgp_configure_endpoints() argument
239 usb_ep_autoconfig_reset(gadget); in dbgp_configure_endpoints()
241 dbgp.i_ep = usb_ep_autoconfig(gadget, &i_desc); in dbgp_configure_endpoints()
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A Draw_gadget.c166 struct usb_gadget *gadget; member
203 usb_ep_dequeue(dev->gadget->ep0, dev->req); in dev_free()
204 usb_ep_free_request(dev->gadget->ep0, dev->req); in dev_free()
267 static int gadget_bind(struct usb_gadget *gadget, in gadget_bind() argument
276 if (strcmp(gadget->name, dev->udc_name) != 0) in gadget_bind()
279 set_gadget_data(gadget, dev); in gadget_bind()
280 req = usb_ep_alloc_request(gadget->ep0, GFP_KERNEL); in gadget_bind()
282 dev_err(&gadget->dev, "usb_ep_alloc_request failed\n"); in gadget_bind()
283 set_gadget_data(gadget, NULL); in gadget_bind()
291 dev->gadget = gadget; in gadget_bind()
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A Dether.c214 if (gadget_is_otg(c->cdev->gadget)) { in rndis_do_config()
256 if (gadget_is_otg(c->cdev->gadget)) { in eth_do_config()
271 } else if (can_support_ecm(c->cdev->gadget)) { in eth_do_config()
306 struct usb_gadget *gadget = cdev->gadget; in eth_bind() local
327 } else if (can_support_ecm(gadget)) { in eth_bind()
367 gether_set_gadget(net, cdev->gadget); in eth_bind()
374 else if (can_support_ecm(gadget)) in eth_bind()
402 if (gadget_is_otg(gadget) && !otg_desc[0]) { in eth_bind()
405 usb_desc = usb_otg_descriptor_alloc(gadget); in eth_bind()
410 usb_otg_descriptor_init(gadget, usb_desc); in eth_bind()
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A Dcdc2.c93 if (gadget_is_otg(c->cdev->gadget)) { in cdc_do_config()
140 struct usb_gadget *gadget = cdev->gadget; in cdc_bind() local
144 if (!can_support_ecm(cdev->gadget)) { in cdc_bind()
145 dev_err(&gadget->dev, "controller '%s' not usable\n", in cdc_bind()
146 gadget->name); in cdc_bind()
178 if (gadget_is_otg(gadget) && !otg_desc[0]) { in cdc_bind()
181 usb_desc = usb_otg_descriptor_alloc(gadget); in cdc_bind()
186 usb_otg_descriptor_init(gadget, usb_desc); in cdc_bind()
197 dev_info(&gadget->dev, "%s, version: " DRIVER_VERSION "\n", in cdc_bind()
A Dprinter.c116 struct usb_gadget *gadget = c->cdev->gadget; in printer_do_config() local
119 usb_ep_autoconfig_reset(gadget); in printer_do_config()
121 usb_gadget_set_selfpowered(gadget); in printer_do_config()
123 if (gadget_is_otg(gadget)) { in printer_do_config()
174 if (gadget_is_otg(cdev->gadget) && !otg_desc[0]) { in printer_bind()
177 usb_desc = usb_otg_descriptor_alloc(cdev->gadget); in printer_bind()
182 usb_otg_descriptor_init(cdev->gadget, usb_desc); in printer_bind()
A Dncm.c99 if (gadget_is_otg(c->cdev->gadget)) { in ncm_do_config()
129 struct usb_gadget *gadget = cdev->gadget; in gncm_bind() local
155 if (gadget_is_otg(gadget) && !otg_desc[0]) { in gncm_bind()
158 usb_desc = usb_otg_descriptor_alloc(gadget); in gncm_bind()
163 usb_otg_descriptor_init(gadget, usb_desc); in gncm_bind()
174 dev_info(&gadget->dev, "%s\n", DRIVER_DESC); in gncm_bind()
A Dinode.c139 struct usb_gadget *gadget; member
779 switch (data->dev->gadget->speed) { in ep_config()
932 (void) usb_ep_set_halt (dev->gadget->ep0); in ep0_read()
937 struct usb_ep *ep = dev->gadget->ep0; in ep0_read()
953 if (gadget_is_dualspeed(dev->gadget) in ep0_read()
954 && (dev->gadget->speed in ep0_read()
959 usb_gadget_vbus_draw(dev->gadget, 2 * power); in ep0_read()
995 clean_req (dev->gadget->ep0, dev->req); in ep0_read()
1135 retval = setup_req (dev->gadget->ep0, dev->req, len); in ep0_write()
1146 dev->gadget->ep0, dev->req, in ep0_write()
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A Dmulti.c138 if (gadget_is_otg(c->cdev->gadget)) { in rndis_do_config()
220 if (gadget_is_otg(c->cdev->gadget)) { in cdc_do_config()
296 struct usb_gadget *gadget = cdev->gadget; in multi_bind() local
307 if (!can_support_ecm(cdev->gadget)) { in multi_bind()
308 dev_err(&gadget->dev, "controller '%s' not usable\n", in multi_bind()
309 gadget->name); in multi_bind()
350 gether_set_gadget(ecm_opts->net, cdev->gadget); in multi_bind()
398 if (gadget_is_otg(gadget) && !otg_desc[0]) { in multi_bind()
401 usb_desc = usb_otg_descriptor_alloc(gadget); in multi_bind()
406 usb_otg_descriptor_init(gadget, usb_desc); in multi_bind()
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/linux-5.15/drivers/usb/gadget/udc/bdc/
A Dbdc_udc.c86 bdc->gadget.ep0->maxpacket = EP0_MAX_PKT_SIZE; in bdc_uspc_connected()
87 bdc->gadget.speed = USB_SPEED_SUPER; in bdc_uspc_connected()
98 bdc->gadget.ep0->maxpacket = 64; in bdc_uspc_connected()
99 bdc->gadget.speed = USB_SPEED_HIGH; in bdc_uspc_connected()
104 bdc->gadget.ep0->maxpacket = 64; in bdc_uspc_connected()
105 bdc->gadget.speed = USB_SPEED_FULL; in bdc_uspc_connected()
110 bdc->gadget.ep0->maxpacket = 8; in bdc_uspc_connected()
111 bdc->gadget.speed = USB_SPEED_LOW; in bdc_uspc_connected()
125 usb_gadget_set_state(&bdc->gadget, USB_STATE_DEFAULT); in bdc_uspc_connected()
145 bdc->gadget_driver->disconnect(&bdc->gadget); in bdc_uspc_disconnected()
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/linux-5.15/drivers/usb/gadget/udc/aspeed-vhub/
A Ddev.c61 if (d->gadget.speed == USB_SPEED_HIGH) in ast_vhub_dev_enable()
105 d->gadget.speed = USB_SPEED_UNKNOWN; in ast_vhub_dev_disable()
163 st0 = d->gadget.is_selfpowered << USB_DEVICE_SELF_POWERED; in ast_vhub_dev_status()
228 if (d->gadget.speed == USB_SPEED_UNKNOWN) { in ast_vhub_std_dev_request()
229 d->gadget.speed = ep->vhub->speed; in ast_vhub_std_dev_request()
230 if (d->gadget.speed > d->driver->max_speed) in ast_vhub_std_dev_request()
231 d->gadget.speed = d->driver->max_speed; in ast_vhub_std_dev_request()
233 d->gadget.speed); in ast_vhub_std_dev_request()
266 static int ast_vhub_udc_wakeup(struct usb_gadget* gadget) in ast_vhub_udc_wakeup() argument
268 struct ast_vhub_dev *d = to_ast_dev(gadget); in ast_vhub_udc_wakeup()
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/linux-5.15/drivers/usb/phy/
H A Dphy-gpio-vbus-usb.c98 if (!gpio_vbus->phy.otg->gadget) in gpio_vbus_work()
116 usb_gadget_vbus_connect(gpio_vbus->phy.otg->gadget); in gpio_vbus_work()
126 status, gpio_vbus->phy.otg->gadget); in gpio_vbus_work()
135 usb_gadget_vbus_disconnect(gpio_vbus->phy.otg->gadget); in gpio_vbus_work()
141 status, gpio_vbus->phy.otg->gadget); in gpio_vbus_work()
155 otg->gadget ? otg->gadget->name : "none"); in gpio_vbus_irq()
157 if (otg->gadget) in gpio_vbus_irq()
167 struct usb_gadget *gadget) in gpio_vbus_set_peripheral() argument
175 if (!gadget) { in gpio_vbus_set_peripheral()
177 otg->gadget->name); in gpio_vbus_set_peripheral()
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/linux-5.15/Documentation/usb/
A Dgadget_configfs.rst2 Linux USB gadget configured through configfs
18 A gadget is seen by its host as a set of configurations, each of which contains
19 a number of interfaces which, from the gadget's perspective, are known as
24 Creating a gadget means deciding what configurations there will be
31 It also describes how configfs integration into gadget is designed.
62 For each gadget to be created its corresponding directory must be created::
64 $ mkdir $CONFIGFS_HOME/usb_gadget/<gadget name>
76 Each gadget needs to have its vendor id <VID> and product id <PID> specified::
81 A gadget also needs its serial number, manufacturer and product strings.
96 Each gadget will consist of a number of configurations, their corresponding
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A Dgadget_serial.rst27 This document and the gadget serial driver itself are
36 Versions of the gadget serial driver are available for the
38 version 2.3 or later of the gadget serial driver in a 2.6
45 gadget and usb drivers as modules.
56 The gadget serial driver is a Linux USB gadget driver, a USB device
61 The gadget serial driver talks over USB to either a CDC ACM driver
84 On the device-side Linux system, the gadget serial driver looks
87 On the host-side system, the gadget serial device looks like a
98 With the gadget serial driver and the host side ACM or generic
100 the host and the gadget side systems as if they were connected by a
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A Dgadget_multi.rst8 The Multifunction Composite Gadget (or g_multi) is a composite gadget
10 a... multifunction gadget.
17 and RNDIS can be turned off. If they are both enabled the gadget will
26 To make use of the gadget one needs to make it work on host side --
27 without that there's no hope of achieving anything with the gadget.
33 Since the gadget uses standard composite framework and appears as such
45 For the gadget to work under Windows two conditions have to be met:
47 Detecting as composite gadget
50 First of all, Windows need to detect the gadget as an USB composite
51 gadget which on its own have some conditions[4]. If they are met,
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A Draw-gadget.rst5 USB Raw Gadget is a gadget driver that gives userspace low-level control over
6 the gadget's communication process.
8 Like any other gadget driver, Raw Gadget implements USB devices via the
9 USB gadget API. Unlike most gadget drivers, Raw Gadget does not implement
21 USB gadget layer for userspace. The key differences are:
26 its own and never forward them to the gadget layer.
46 The user can interact with Raw Gadget by opening ``/dev/raw-gadget`` and
53 1. Create a Raw Gadget instance by opening ``/dev/raw-gadget``.
57 Raw Gadget and react to those depending on what kind of USB gadget must
66 endpoints for the gadget and assign addresses in the endpoint descriptors
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/linux-5.15/drivers/usb/isp1760/
A Disp1760-udc.c35 static inline struct isp1760_udc *gadget_to_udc(struct usb_gadget *gadget) in gadget_to_udc() argument
37 return container_of(gadget, struct isp1760_udc, gadget); in gadget_to_udc()
566 if (udc->gadget.state != USB_STATE_DEFAULT && in isp1760_udc_set_address()
567 udc->gadget.state != USB_STATE_ADDRESS) { in isp1760_udc_set_address()
569 udc->gadget.state); in isp1760_udc_set_address()
573 usb_gadget_set_state(&udc->gadget, addr ? USB_STATE_ADDRESS : in isp1760_udc_set_address()
684 if (udc->gadget.state != USB_STATE_ADDRESS && in isp1760_ep0_setup_standard()
685 udc->gadget.state != USB_STATE_CONFIGURED) in isp1760_ep0_setup_standard()
688 stall = udc->driver->setup(&udc->gadget, req) < 0; in isp1760_ep0_setup_standard()
692 usb_gadget_set_state(&udc->gadget, req->wValue ? in isp1760_ep0_setup_standard()
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/linux-5.15/drivers/usb/renesas_usbhs/
H A Dmod_gadget.c40 struct usb_gadget gadget; member
88 container_of(g, struct usbhsg_gpriv, gadget)
107 #define usbhsg_is_not_connected(gp) ((gp)->gadget.speed == USB_SPEED_UNKNOWN)
462 gpriv->gadget.speed = usbhs_bus_get_speed(priv); in usbhsg_irq_dev_state()
464 dev_dbg(dev, "state = %x : speed : %d\n", state, gpriv->gadget.speed); in usbhsg_irq_dev_state()
466 if (gpriv->gadget.speed != USB_SPEED_UNKNOWN && in usbhsg_irq_dev_state()
469 gpriv->driver->suspend(&gpriv->gadget); in usbhsg_irq_dev_state()
470 usb_gadget_set_state(&gpriv->gadget, USB_STATE_SUSPENDED); in usbhsg_irq_dev_state()
543 ret = gpriv->driver->setup(&gpriv->gadget, &ctrl); in usbhsg_irq_ctrl_stage()
906 gpriv->gadget.speed = USB_SPEED_UNKNOWN; in usbhsg_try_stop()
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/linux-5.15/drivers/usb/chipidea/
H A Dudc.c825 static int _gadget_stop_activity(struct usb_gadget *gadget) in _gadget_stop_activity() argument
828 struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget); in _gadget_stop_activity()
832 gadget_for_each_ep(ep, gadget) { in _gadget_stop_activity()
839 gadget_for_each_ep(ep, gadget) { in _gadget_stop_activity()
849 ci->gadget.speed = USB_SPEED_UNKNOWN; in _gadget_stop_activity()
873 if (ci->gadget.speed != USB_SPEED_UNKNOWN) in isr_reset_handler()
874 usb_gadget_udc_reset(&ci->gadget, ci->driver); in isr_reset_handler()
876 retval = _gadget_stop_activity(&ci->gadget); in isr_reset_handler()
1004 ci->gadget.is_selfpowered; in isr_get_status_response()
1047 usb_gadget_set_state(&ci->gadget, USB_STATE_ADDRESS); in isr_setup_status_complete()
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