| /Linux-v6.6/drivers/usb/cdns3/ |
| D | core.c | 29 static int cdns_role_start(struct cdns *cdns, enum usb_role role) in cdns_role_start() argument
33 if (WARN_ON(role > USB_ROLE_DEVICE)) in cdns_role_start()
37 cdns->role = role; in cdns_role_start()
40 if (!cdns->roles[role]) in cdns_role_start()
43 if (cdns->roles[role]->state == CDNS_ROLE_STATE_ACTIVE) in cdns_role_start()
47 ret = cdns->roles[role]->start(cdns); in cdns_role_start()
49 cdns->roles[role]->state = CDNS_ROLE_STATE_ACTIVE; in cdns_role_start()
57 enum usb_role role = cdns->role; in cdns_role_stop() local
59 if (WARN_ON(role > USB_ROLE_DEVICE)) in cdns_role_stop()
62 if (cdns->roles[role]->state == CDNS_ROLE_STATE_INACTIVE) in cdns_role_stop()
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| D | core.h | 15 #include <linux/usb/role.h>
20 * struct cdns_role_driver - host/gadget role driver
21 * @start: start this role
22 * @stop: stop this role
23 * @suspend: suspend callback for this role
24 * @resume: resume callback for this role
25 * @irq: irq handler for this role
26 * @name: role name string (host/gadget)
65 * @role: current role
75 * @role_sw: pointer to role switch object.
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| D | Kconfig | 8 dual-role controller.
9 It supports: dual-role switch, Host-only, and Peripheral-only.
17 tristate "Cadence USB3 Dual-Role Controller"
20 Say Y here if your system has a Cadence USB3 dual-role controller.
21 It supports: dual-role switch, Host-only, and Peripheral-only.
97 tristate "Cadence CDNSP Dual-Role Controller"
100 Say Y here if your system has a Cadence CDNSP dual-role controller.
101 It supports: dual-role switch Host-only, and Peripheral-only.
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| /Linux-v6.6/drivers/usb/roles/ |
| D | class.c | 3 * USB Role Switch Support
10 #include <linux/usb/role.h>
24 enum usb_role role; member
38 * usb_role_switch_set_role - Set USB role for a switch
39 * @sw: USB role switch
40 * @role: USB role to be switched to
42 * Set USB role @role for @sw.
44 int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role) in usb_role_switch_set_role() argument
53 ret = sw->set(sw, role); in usb_role_switch_set_role()
55 sw->role = role; in usb_role_switch_set_role()
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| D | Kconfig | 4 tristate "USB Role Switch Support"
6 USB Role Switch is a device that can select the USB role - host or
7 device - for a USB port (connector). In most cases dual-role capable
19 tristate "Intel XHCI USB Role Switch"
22 Driver for the internal USB role switch for switching the USB data
27 be called intel-xhci-usb-role-switch.
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| D | intel-xhci-usb-role-switch.c | 3 * Intel XHCI (Cherry Trail, Broxton and others) USB OTG role switch driver
23 #include <linux/usb/role.h>
56 enum usb_role role) in intel_xhci_usb_set_role() argument
80 * SW_SWITCH_EN bits to be zero for role switch, in intel_xhci_usb_set_role()
84 switch (role) { in intel_xhci_usb_set_role()
116 if (!!(val & HOST_MODE) == (role == USB_ROLE_HOST)) { in intel_xhci_usb_set_role()
127 dev_warn(data->dev, "Timeout waiting for role-switch\n"); in intel_xhci_usb_set_role()
134 enum usb_role role; in intel_xhci_usb_get_role() local
142 role = USB_ROLE_HOST; in intel_xhci_usb_get_role()
144 role = USB_ROLE_DEVICE; in intel_xhci_usb_get_role()
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| /Linux-v6.6/drivers/usb/dwc2/ |
| D | drd.c | 3 * drd.c - DesignWare USB2 DRD Controller Dual-role support
13 #include <linux/usb/role.h>
86 static int dwc2_drd_role_sw_set(struct usb_role_switch *sw, enum usb_role role) in dwc2_drd_role_sw_set() argument
93 if ((role == USB_ROLE_DEVICE && hsotg->dr_mode == USB_DR_MODE_HOST) || in dwc2_drd_role_sw_set()
94 (role == USB_ROLE_HOST && hsotg->dr_mode == USB_DR_MODE_PERIPHERAL)) in dwc2_drd_role_sw_set()
100 if (role == USB_ROLE_NONE && hsotg->test_mode) { in dwc2_drd_role_sw_set()
109 * If role-switch set is called before the udc_start, we need to enable in dwc2_drd_role_sw_set()
122 if (role == USB_ROLE_NONE) { in dwc2_drd_role_sw_set()
123 /* default operation mode when usb role is USB_ROLE_NONE */ in dwc2_drd_role_sw_set()
125 role = USB_ROLE_HOST; in dwc2_drd_role_sw_set()
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| /Linux-v6.6/drivers/usb/chipidea/ |
| D | ci.h | 19 #include <linux/usb/role.h>
127 * struct ci_role_driver - host/gadget role driver
128 * @start: start this role
129 * @stop: stop this role
130 * @suspend: system suspend handler for this role
131 * @resume: system resume handler for this role
132 * @irq: irq handler for this role
133 * @name: role name string (host/gadget)
171 * @role: current role
178 * @work: work for role changing
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| D | otg.c | 119 * ci_otg_role - pick role based on ID pin state
124 enum ci_role role = hw_read_otgsc(ci, OTGSC_ID) in ci_otg_role() local
128 return role; in ci_otg_role()
170 enum ci_role role; in ci_handle_id_switch() local
173 role = ci_otg_role(ci); in ci_handle_id_switch()
174 if (role != ci->role) { in ci_handle_id_switch()
176 ci_role(ci)->name, ci->roles[role]->name); in ci_handle_id_switch()
178 if (ci->vbus_active && ci->role == CI_ROLE_GADGET) in ci_handle_id_switch()
180 * vbus disconnect event is lost due to role in ci_handle_id_switch()
187 if (role == CI_ROLE_GADGET && in ci_handle_id_switch()
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| D | core.c | 566 if (ci->role != CI_ROLE_END) in ci_irq_handler()
597 enum usb_role role; in ci_usb_role_switch_get() local
601 role = ci_role_to_usb_role(ci); in ci_usb_role_switch_get()
604 return role; in ci_usb_role_switch_get()
608 enum usb_role role) in ci_usb_role_switch_set() argument
613 if (role == USB_ROLE_HOST) { in ci_usb_role_switch_set()
620 } else if (role == USB_ROLE_DEVICE) { in ci_usb_role_switch_set()
642 enum ci_role role; in ci_get_role() local
646 role = ci_otg_role(ci); in ci_get_role()
651 * role switch, the defalt role is gadget, and the in ci_get_role()
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| /Linux-v6.6/Documentation/devicetree/bindings/usb/ |
| D | mediatek,mtu3.yaml | 104 Regulator of USB VBUS5v, needed when supports dual-role mode.
132 when supports dual-role mode.
134 new bindings, and use "usb-role-switch" property instead.
136 usb-role-switch:
138 description: Support role switch.
141 role-switch-default-mode:
148 Connector for dual role switch, especially for "gpio-usb-b-connector"
154 using the OF graph bindings specified, if the "usb-role-switch"
161 supports manual dual-role switch via debugfs; usually used when
162 receptacle is TYPE-A and also wants to support dual-role mode.
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| D | analogix,anx7411.yaml | 35 power-role: true
37 data-role: true
39 try-power-role: true
66 power-role = "dual";
67 data-role = "dual";
68 try-power-role = "source";
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| /Linux-v6.6/include/linux/usb/ |
| D | role.h | 17 enum usb_role role);
21 * struct usb_role_switch_desc - USB Role Switch Descriptor
22 * @fwnode: The device node to be associated with the role switch
26 * @set: Callback for setting the role
27 * @get: Callback for getting the role (optional)
28 * @allow_userspace_control: If true userspace may change the role through sysfs
33 * device controller behind the USB connector with the role switch. If
52 int usb_role_switch_set_role(struct usb_role_switch *sw, enum usb_role role);
68 const char *usb_role_string(enum usb_role role);
71 enum usb_role role) in usb_role_switch_set_role() argument
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| D | typec.h | 58 static inline int is_sink(enum typec_role role) in is_sink() argument
60 return role == TYPEC_SINK; in is_sink()
63 static inline int is_source(enum typec_role role) in is_source() argument
65 return role == TYPEC_SOURCE; in is_source()
224 * @try_role: Set data role preference for DRP port
225 * @dr_set: Set Data Role
226 * @pr_set: Set Power Role
233 int (*try_role)(struct typec_port *port, int role);
234 int (*dr_set)(struct typec_port *port, enum typec_data_role role);
235 int (*pr_set)(struct typec_port *port, enum typec_role role);
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| /Linux-v6.6/drivers/extcon/ |
| D | extcon-usbc-cros-ec.c | 28 unsigned int dr; /* data role */
29 bool pr; /* power role (true if VBUS enabled) */
136 * cros_ec_usb_get_role() - Get role info about possible PD device attached to a
141 * Return: role info on success, -ENOTCONN if no cable is connected, <0 on
152 pd_control.role = USB_PD_CTRL_ROLE_NO_CHANGE; in cros_ec_usb_get_role()
166 return resp.role; in cros_ec_usb_get_role()
188 static const char *cros_ec_usb_role_string(unsigned int role) in cros_ec_usb_role_string() argument
190 return role == DR_NONE ? "DISCONNECTED" : in cros_ec_usb_role_string()
191 (role == DR_HOST ? "DFP" : "UFP"); in cros_ec_usb_role_string()
223 unsigned int role) in cros_ec_usb_power_type_is_wall_wart() argument
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| D | extcon-axp288.c | 22 #include <linux/usb/role.h>
153 * The below code to control the USB role-switch on devices with an AXP288
155 * to control the USB role-switch on such devices:
156 * 1) On many devices the USB role is controlled by AML code, but the AML code
161 * 2) In order for our BC1.2 charger detection to work properly the role
168 enum usb_role role; in axp288_get_id_pin() local
174 role = usb_role_switch_get_role(info->role_sw); in axp288_get_id_pin()
175 return role != USB_ROLE_HOST; in axp288_get_id_pin()
182 enum usb_role role; in axp288_usb_role_work() local
188 role = USB_ROLE_HOST; in axp288_usb_role_work()
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| /Linux-v6.6/Documentation/ABI/testing/ |
| D | sysfs-class-usb_role | 5 Place in sysfs for USB Role Switches. USB Role Switch is a
6 device that can select the data role (host or device) for USB
9 What: /sys/class/usb_role/<switch>/role
13 The current role of the switch. This attribute can be used for
14 requesting role swapping with non-USB Type-C ports. With USB
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| /Linux-v6.6/drivers/misc/ |
| D | hisi_hikey_usb.c | 22 #include <linux/usb/role.h>
44 enum usb_role role; member
98 enum usb_role role; in relay_set_role_switch() local
104 switch (hisi_hikey_usb->role) { in relay_set_role_switch()
124 role = hisi_hikey_usb->role; in relay_set_role_switch()
127 usb_role_switch_set_role(sw, role); in relay_set_role_switch()
130 static int hub_usb_role_switch_set(struct usb_role_switch *sw, enum usb_role role) in hub_usb_role_switch_set() argument
138 hisi_hikey_usb->role = role; in hub_usb_role_switch_set()
152 if (!device_property_read_bool(dev, "usb-role-switch")) in hisi_hikey_usb_of_role_switch()
184 dev_err(dev, "get device role switch failed with error %ld\n", in hisi_hikey_usb_of_role_switch()
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| /Linux-v6.6/net/bridge/ |
| D | br_mrp.c | 270 * - when node role is MRM, in this case test_monitor is always set to false
273 * - when node role is MRA, there are 2 subcases:
274 * - when MRA behaves as MRM, in this case is similar with MRM role
297 * role MRA and behaves as MRC. The reason is that the in br_mrp_test_work_expired()
300 * the role of a MRM. in br_mrp_test_work_expired()
348 /* This function is continuously called when the node has the interconnect role
437 /* Stop sending MRP_InTest frames if has an interconnect role */ in br_mrp_del_impl()
614 /* Set port role, port role can be primary or secondary
618 enum br_mrp_port_role_type role) in br_mrp_set_port_role() argument
630 switch (role) { in br_mrp_set_port_role()
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| D | br_mrp_netlink.c | 109 enum br_mrp_port_role_type role; in br_mrp_port_role_parse() local
118 NL_SET_ERR_MSG_MOD(extack, "Missing attribute: ROLE"); in br_mrp_port_role_parse()
122 role = nla_get_u32(tb[IFLA_BRIDGE_MRP_PORT_ROLE_ROLE]); in br_mrp_port_role_parse()
124 return br_mrp_set_port_role(p, role); in br_mrp_port_role_parse()
172 struct br_mrp_ring_role role; in br_mrp_ring_role_parse() local
183 "Missing attribute: RING_ID or ROLE"); in br_mrp_ring_role_parse()
187 memset(&role, 0x0, sizeof(role)); in br_mrp_ring_role_parse()
189 role.ring_id = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_RING_ID]); in br_mrp_ring_role_parse()
190 role.ring_role = nla_get_u32(tb[IFLA_BRIDGE_MRP_RING_ROLE_ROLE]); in br_mrp_ring_role_parse()
192 return br_mrp_set_ring_role(br, &role); in br_mrp_ring_role_parse()
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| D | br_mrp_switchdev.c | 66 enum br_mrp_ring_role_type role) in br_mrp_switchdev_set_ring_role() argument
71 .ring_role = role, in br_mrp_switchdev_set_ring_role()
82 role != BR_MRP_RING_ROLE_DISABLED); in br_mrp_switchdev_set_ring_role()
90 if (role != BR_MRP_RING_ROLE_DISABLED) in br_mrp_switchdev_set_ring_role()
142 enum br_mrp_in_role_type role) in br_mrp_switchdev_set_in_role() argument
147 .in_role = role, in br_mrp_switchdev_set_in_role()
160 role != BR_MRP_IN_ROLE_DISABLED); in br_mrp_switchdev_set_in_role()
168 if (role != BR_MRP_IN_ROLE_DISABLED) in br_mrp_switchdev_set_in_role()
229 enum br_mrp_port_role_type role) in br_mrp_port_switchdev_set_role() argument
234 .u.mrp_port_role = role, in br_mrp_port_switchdev_set_role()
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| /Linux-v6.6/security/selinux/ss/ |
| D | policydb.h | 59 /* Options how a new object user, role, and type should be decided */
76 /* Role attributes */
78 u32 value; /* internal role value */
79 u32 bounds; /* boundary of role */
80 struct ebitmap dominates; /* set of roles dominated by this role */
81 struct ebitmap types; /* set of authorized types for role */
85 u32 role; /* current role */ member
91 u32 new_role; /* new role */
107 u32 role; /* current role */ member
108 u32 new_role; /* new role */
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| /Linux-v6.6/drivers/usb/common/ |
| D | usb-conn-gpio.c | 22 #include <linux/usb/role.h>
54 * Role | ID | VBUS
68 enum usb_role role; in usb_conn_detect_cable() local
81 role = USB_ROLE_HOST; in usb_conn_detect_cable()
83 role = USB_ROLE_DEVICE; in usb_conn_detect_cable()
85 role = USB_ROLE_NONE; in usb_conn_detect_cable()
87 dev_dbg(info->dev, "role %s -> %s, gpios: id %d, vbus %d\n", in usb_conn_detect_cable()
88 usb_role_string(info->last_role), usb_role_string(role), id, vbus); in usb_conn_detect_cable()
90 if (!info->initial_detection && info->last_role == role) { in usb_conn_detect_cable()
91 dev_warn(info->dev, "repeated role: %s\n", usb_role_string(role)); in usb_conn_detect_cable()
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| /Linux-v6.6/Documentation/devicetree/bindings/connector/ |
| D | usb-connector.yaml | 65 mode or dual role mode is supported.
70 power-role:
71 description: Determines the power role that the Type C connector will
72 support. "dual" refers to Dual Role Port (DRP).
80 try-power-role:
81 description: Preferred power role.
89 data-role:
90 description: Data role if Type C connector supports USB data. "dual" refers
91 Dual Role Device (DRD).
127 the PD spec chapter 6.4.1. Required for power source and power dual role.
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| /Linux-v6.6/Documentation/virt/kvm/x86/ |
| D | mmu.rst | 151 role.level:
154 role.direct:
159 by role.level (2MB for first level, 1GB for second level, 0.5TB for third
163 role.quadrant:
164 When role.has_4_byte_gpte=1, the guest uses 32-bit gptes while the host uses 64-bit
167 For first-level shadow pages, role.quadrant can be 0 or 1 and denotes the
171 shadow pages) so role.quadrant takes values in the range 0..3. Each
173 role.access:
176 role.invalid:
180 role.has_4_byte_gpte:
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