| /linux-6.12.1/drivers/usb/misc/ |
| D | usb251xb.c | 3 * Driver for Microchip USB251xB USB 2.0 Hi-Speed Hub Controller
110 #define DRIVER_DESC "Microchip USB 2.0 Hi-Speed Hub Controller"
242 static int usb251x_check_gpio_chip(struct usb251xb *hub) in usb251x_check_gpio_chip() argument
244 struct gpio_chip *gc = gpiod_to_chip(hub->gpio_reset); in usb251x_check_gpio_chip()
245 struct i2c_adapter *adap = hub->i2c->adapter; in usb251x_check_gpio_chip()
248 if (!hub->gpio_reset) in usb251x_check_gpio_chip()
256 dev_err(hub->dev, "Reset GPIO chip is at the same i2c-bus\n"); in usb251x_check_gpio_chip()
263 static int usb251x_check_gpio_chip(struct usb251xb *hub) in usb251x_check_gpio_chip() argument
269 static void usb251xb_reset(struct usb251xb *hub) in usb251xb_reset() argument
271 if (!hub->gpio_reset) in usb251xb_reset()
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| D | usb3503.c | 3 * Driver for SMSC USB3503 USB 2.0 hub controller driver
56 static int usb3503_connect(struct usb3503 *hub) in usb3503_connect() argument
58 struct device *dev = hub->dev; in usb3503_connect()
61 if (hub->regmap) { in usb3503_connect()
63 err = regmap_write(hub->regmap, USB3503_SP_ILOCK, in usb3503_connect()
72 if (hub->port_off_mask) { in usb3503_connect()
73 err = regmap_update_bits(hub->regmap, USB3503_PDS, in usb3503_connect()
74 hub->port_off_mask, in usb3503_connect()
75 hub->port_off_mask); in usb3503_connect()
83 err = regmap_update_bits(hub->regmap, USB3503_CFG1, in usb3503_connect()
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| D | usb4604.c | 3 * Driver for SMSC USB4604 USB HSIC 4-port 2.0 hub controller driver
28 static void usb4604_reset(struct usb4604 *hub, int state) in usb4604_reset() argument
30 gpiod_set_value_cansleep(hub->gpio_reset, state); in usb4604_reset()
37 static int usb4604_connect(struct usb4604 *hub) in usb4604_connect() argument
39 struct device *dev = hub->dev; in usb4604_connect()
44 usb4604_reset(hub, 1); in usb4604_connect()
48 usb4604_reset(hub, 0); in usb4604_connect()
52 hub->mode = USB4604_MODE_HUB; in usb4604_connect()
53 dev_dbg(dev, "switched to HUB mode\n"); in usb4604_connect()
58 static int usb4604_switch_mode(struct usb4604 *hub, enum usb4604_mode mode) in usb4604_switch_mode() argument
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| /linux-6.12.1/drivers/platform/surface/ |
| D | surface_aggregator_hub.c | 21 /* -- SSAM generic subsystem hub driver framework. -------------------------- */
36 int (*get_state)(struct ssam_hub *hub, enum ssam_hub_state *state);
61 int (*get_state)(struct ssam_hub *hub, enum ssam_hub_state *state);
69 struct ssam_hub *hub = container_of(work, struct ssam_hub, update_work.work); in ssam_hub_update_workfn() local
73 status = hub->ops.get_state(hub, &state); in ssam_hub_update_workfn()
78 * There is a small possibility that hub devices were hot-removed and in ssam_hub_update_workfn()
80 * the state returned by get_state() and the state of the hub will in ssam_hub_update_workfn()
86 * additional flag on the hub and, in this case, override the returned in ssam_hub_update_workfn()
87 * hub state. In case of a missed disconnect (i.e. get_state returned in ssam_hub_update_workfn()
97 if (test_and_clear_bit(SSAM_HUB_HOT_REMOVED, &hub->flags)) { in ssam_hub_update_workfn()
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| /linux-6.12.1/drivers/fsi/ |
| D | fsi-master-hub.c | 3 * FSI hub master driver
21 * FSI hub master support
23 * A hub master increases the number of potential target devices that the
25 * each of those links can in turn be chained to a hub master with multiple
28 * The hub is controlled by a set of control registers exposed as a regular fsi
29 * device (the hub->upstream device), and provides access to the downstream FSI
48 struct fsi_master_hub *hub = to_fsi_master_hub(master); in hub_master_read() local
53 addr += hub->addr + (link * FSI_HUB_LINK_SIZE); in hub_master_read()
54 return fsi_slave_read(hub->upstream->slave, addr, val, size); in hub_master_read()
60 struct fsi_master_hub *hub = to_fsi_master_hub(master); in hub_master_write() local
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| /linux-6.12.1/drivers/usb/core/ |
| D | hub.c | 3 * USB hub driver.
39 #include "hub.h"
75 /* workqueue to process hub events */
79 /* synchronize hub-port add/remove and peering operations */
107 * hub driver's behavior. On the first initialization attempt, if the
134 static int hub_port_disable(struct usb_hub *hub, int port1, int set_state);
135 static bool hub_port_warm_reset_required(struct usb_hub *hub, int port1,
138 static inline char *portspeed(struct usb_hub *hub, int portstatus) in portspeed() argument
140 if (hub_is_superspeedplus(hub->hdev)) in portspeed()
142 if (hub_is_superspeed(hub->hdev)) in portspeed()
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| D | hub.h | 3 * usb hub driver head file
29 struct usb_hub_status hub; member
125 extern int usb_hub_create_port_device(struct usb_hub *hub,
127 extern void usb_hub_remove_port_device(struct usb_hub *hub,
129 extern int usb_hub_set_port_power(struct usb_device *hdev, struct usb_hub *hub,
132 extern void hub_get(struct usb_hub *hub);
133 extern void hub_put(struct usb_hub *hub);
134 extern int hub_port_debounce(struct usb_hub *hub, int port1,
138 extern int usb_hub_port_status(struct usb_hub *hub, int port1,
140 extern int usb_port_is_power_on(struct usb_hub *hub, unsigned int portstatus);
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| D | of.c | 16 * @hub: hub to which device is connected
19 * Look up the node of a USB device given its parent hub device and one-based
25 struct device_node *usb_of_get_device_node(struct usb_device *hub, int port1) in usb_of_get_device_node() argument
30 for_each_child_of_node(hub->dev.of_node, node) { in usb_of_get_device_node()
79 static bool usb_of_has_devices_or_graph(const struct usb_device *hub) in usb_of_has_devices_or_graph() argument
81 const struct device_node *np = hub->dev.of_node; in usb_of_has_devices_or_graph()
98 * usb_of_get_connect_type() - get a USB hub's port connect_type
99 * @hub: hub to which port is for @port1
102 * Get the connect_type of @port1 based on the device node for @hub. If the
104 * @hub has a child device has with a 'reg' property equal to @port1 the
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| D | port.c | 16 #include "hub.h"
53 struct usb_hub *hub = usb_hub_to_struct_hub(hdev); in disable_show() local
61 if (!hub) in disable_show()
63 hub_get(hub); in disable_show()
78 if (hub->disconnected) { in disable_show()
83 usb_hub_port_status(hub, port1, &portstatus, &unused); in disable_show()
84 disabled = !usb_port_is_power_on(hub, portstatus); in disable_show()
92 hub_put(hub); in disable_show()
105 struct usb_hub *hub = usb_hub_to_struct_hub(hdev); in disable_store() local
112 if (!hub) in disable_store()
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| D | usb-acpi.c | 16 #include "hub.h"
21 * @hdev: USB device belonging to the usb hub
45 * @hdev: USB device belonging to the usb hub
104 * @hdev: USB device belonging to the usb hub
115 struct usb_hub *hub = usb_hub_to_struct_hub(hdev); in usb_acpi_set_power_state() local
122 if (!hub) in usb_acpi_set_power_state()
124 port_dev = hub->ports[port1 - 1]; in usb_acpi_set_power_state()
162 struct usb_hub *hub; in usb_acpi_add_usb4_devlink() local
167 hub = usb_hub_to_struct_hub(udev->parent); in usb_acpi_add_usb4_devlink()
168 port_dev = hub->ports[udev->portnum - 1]; in usb_acpi_add_usb4_devlink()
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| /linux-6.12.1/drivers/hwtracing/intel_th/ |
| D | Kconfig | 3 tristate "Intel(R) Trace Hub controller"
6 Intel(R) Trace Hub (TH) is a set of hardware blocks (subdevices) that
16 Say Y here to enable Intel(R) Trace Hub controller support.
21 tristate "Intel(R) Trace Hub PCI controller"
24 Intel(R) Trace Hub may exist as a PCI device. This option enables
30 tristate "Intel(R) Trace Hub ACPI controller"
33 Intel(R) Trace Hub may exist as an ACPI device. This option enables
42 tristate "Intel(R) Trace Hub Global Trace Hub"
44 Global Trace Hub (GTH) is the central component of the
49 Say Y here to enable GTH subdevice of Intel(R) Trace Hub.
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| /linux-6.12.1/Documentation/devicetree/bindings/usb/ |
| D | microchip,usb5744.yaml | 7 title: Microchip USB5744 4-port Hub Controller
40 3V3 power supply to the hub
44 1V2 power supply to the hub
46 peer-hub:
49 phandle to the peer hub on the controller.
54 phandle of an usb hub connected via i2c bus.
71 peer-hub: false
84 hub: usb-hub@2d {
94 /* 2.0 hub on port 1 */
95 hub_2_0: hub@1 {
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| D | genesys,gl850g.yaml | 7 title: Genesys Logic USB hub controller
27 The regulator that provides 3.3V or 5.0V core power to the hub.
29 peer-hub:
32 For onboard hub controllers that support USB 3.x and USB 2.0 hubs
50 peer-hub: false
62 peer-hub: true
75 hub: hub@1 {
89 /* 2.0 hub on port 1 */
90 hub_2_0: hub@1 {
93 peer-hub = <&hub_3_0>;
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| D | ti,usb8041.yaml | 7 title: TI USB8041 USB 3.0 hub controller
29 VDD power supply to the hub
31 peer-hub:
34 phandle to the peer hub on the controller.
39 - peer-hub
52 /* 2.0 hub on port 1 */
53 hub_2_0: hub@1 {
56 peer-hub = <&hub_3_0>;
60 /* 3.0 hub on port 2 */
61 hub_3_0: hub@2 {
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| D | ti,usb8020b.yaml | 7 title: TI USB8020B USB 3.0 hub controller
29 VDD power supply to the hub
31 peer-hub:
34 phandle to the peer hub on the controller.
39 - peer-hub
52 /* 2.0 hub on port 1 */
53 hub_2_0: hub@1 {
56 peer-hub = <&hub_3_0>;
61 /* 3.0 hub on port 2 */
62 hub_3_0: hub@2 {
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| D | vialab,vl817.yaml | 7 title: Via labs VL817 USB 3.1 hub controller
30 phandle to the regulator that provides power to the hub.
32 peer-hub:
35 phandle to the peer hub on the controller.
41 - peer-hub
53 /* 2.0 hub on port 1 */
54 hub_2_0: hub@1 {
58 peer-hub = <&hub_3_0>;
62 /* 3.1 hub on port 4 */
63 hub_3_0: hub@2 {
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| D | usb251xb.yaml | 7 title: Microchip USB 2.0 Hi-Speed Hub Controller
31 Should specify the gpio for hub reset
40 Skip Hub configuration, but only send the USB-Attach command
46 Set USB Vendor ID of the hub
51 Set USB Product ID of the hub
57 Set USB Device ID of the hub
152 indicate the hub is part of a compound device (boolean)
194 Specifies max current consumed by the hub from VBUS when
195 operating in self-powered hub. It includes the hub silicon
203 Specifies max current consumed by the hub from VBUS when
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| /linux-6.12.1/drivers/gpu/drm/tegra/ |
| D | hub.c | 156 int tegra_display_hub_prepare(struct tegra_display_hub *hub) in tegra_display_hub_prepare() argument
166 for (i = 0; i < hub->soc->num_wgrps; i++) { in tegra_display_hub_prepare()
167 struct tegra_windowgroup *wgrp = &hub->wgrps[i]; in tegra_display_hub_prepare()
177 void tegra_display_hub_cleanup(struct tegra_display_hub *hub) in tegra_display_hub_cleanup() argument
185 for (i = 0; i < hub->soc->num_wgrps; i++) { in tegra_display_hub_cleanup()
186 struct tegra_windowgroup *wgrp = &hub->wgrps[i]; in tegra_display_hub_cleanup()
762 struct tegra_display_hub *hub = tegra->hub; in tegra_shared_plane_create() local
778 plane->wgrp = &hub->wgrps[wgrp]; in tegra_shared_plane_create()
833 tegra_display_hub_get_state(struct tegra_display_hub *hub, in tegra_display_hub_get_state() argument
838 priv = drm_atomic_get_private_obj_state(state, &hub->base); in tegra_display_hub_get_state()
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| /linux-6.12.1/Documentation/ABI/testing/ |
| D | sysfs-firmware-sgi_uv | 22 The hub_type entry is used to select the type of hub which is
27 is no hub. In this case the hub_type entry is not present.
40 The uv_type entry contains the hub revision number.
55 The hubs directory contains a number of hub objects, each representing
56 a UV Hub visible to the BIOS. Each hub object's name is appended by a
59 Each hub object directory contains a number of read-only attributes::
68 The cnode entry contains the cnode number of the corresponding hub.
71 The location entry contains the location string of the corresponding hub.
72 This value is used to physically identify a hub within a system.
74 The name entry contains the name of the corresponding hub. This name can
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| /linux-6.12.1/include/uapi/linux/usb/ |
| D | ch11.h | 3 * This file holds Hub protocol constants and data structures that are
4 * defined in chapter 11 (Hub Specification) of the USB 2.0 specification.
16 * From USB 2.0 spec Table 11-13, offset 7, a hub can
19 * Because the arrays need to add a bit for hub status data, we
28 * Hub request types
43 * Hub class requests
52 * Hub class additional requests defined by USB 3.0 spec
59 * Hub Class feature numbers
102 /* USB 3.0 hub remote wake mask bits, see table 10-14 */
108 * Hub Status and Hub Change results
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| /linux-6.12.1/drivers/gpu/drm/amd/amdgpu/ |
| D | gfxhub_v2_0.c | 123 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v2_0_setup_vm_pt_regs() local
126 hub->ctx_addr_distance * vmid, in gfxhub_v2_0_setup_vm_pt_regs()
130 hub->ctx_addr_distance * vmid, in gfxhub_v2_0_setup_vm_pt_regs()
285 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v2_0_setup_vmid_config() local
290 tmp = RREG32_SOC15_OFFSET(GC, 0, mmGCVM_CONTEXT1_CNTL, i * hub->ctx_distance); in gfxhub_v2_0_setup_vmid_config()
316 i * hub->ctx_distance, tmp); in gfxhub_v2_0_setup_vmid_config()
318 i * hub->ctx_addr_distance, 0); in gfxhub_v2_0_setup_vmid_config()
320 i * hub->ctx_addr_distance, 0); in gfxhub_v2_0_setup_vmid_config()
322 i * hub->ctx_addr_distance, in gfxhub_v2_0_setup_vmid_config()
325 i * hub->ctx_addr_distance, in gfxhub_v2_0_setup_vmid_config()
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| D | gfxhub_v3_0.c | 122 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v3_0_setup_vm_pt_regs() local
125 hub->ctx_addr_distance * vmid, in gfxhub_v3_0_setup_vm_pt_regs()
129 hub->ctx_addr_distance * vmid, in gfxhub_v3_0_setup_vm_pt_regs()
292 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v3_0_setup_vmid_config() local
297 tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i * hub->ctx_distance); in gfxhub_v3_0_setup_vmid_config()
323 i * hub->ctx_distance, tmp); in gfxhub_v3_0_setup_vmid_config()
325 i * hub->ctx_addr_distance, 0); in gfxhub_v3_0_setup_vmid_config()
327 i * hub->ctx_addr_distance, 0); in gfxhub_v3_0_setup_vmid_config()
329 i * hub->ctx_addr_distance, in gfxhub_v3_0_setup_vmid_config()
332 i * hub->ctx_addr_distance, in gfxhub_v3_0_setup_vmid_config()
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| D | gfxhub_v3_0_3.c | 125 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v3_0_3_setup_vm_pt_regs() local
128 hub->ctx_addr_distance * vmid, in gfxhub_v3_0_3_setup_vm_pt_regs()
132 hub->ctx_addr_distance * vmid, in gfxhub_v3_0_3_setup_vm_pt_regs()
297 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v3_0_3_setup_vmid_config() local
302 tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i * hub->ctx_distance); in gfxhub_v3_0_3_setup_vmid_config()
328 i * hub->ctx_distance, tmp); in gfxhub_v3_0_3_setup_vmid_config()
330 i * hub->ctx_addr_distance, 0); in gfxhub_v3_0_3_setup_vmid_config()
332 i * hub->ctx_addr_distance, 0); in gfxhub_v3_0_3_setup_vmid_config()
334 i * hub->ctx_addr_distance, in gfxhub_v3_0_3_setup_vmid_config()
337 i * hub->ctx_addr_distance, in gfxhub_v3_0_3_setup_vmid_config()
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| D | gfxhub_v11_5_0.c | 127 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v11_5_0_setup_vm_pt_regs() local
130 hub->ctx_addr_distance * vmid, in gfxhub_v11_5_0_setup_vm_pt_regs()
134 hub->ctx_addr_distance * vmid, in gfxhub_v11_5_0_setup_vm_pt_regs()
295 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB(0)]; in gfxhub_v11_5_0_setup_vmid_config() local
300 tmp = RREG32_SOC15_OFFSET(GC, 0, regGCVM_CONTEXT1_CNTL, i * hub->ctx_distance); in gfxhub_v11_5_0_setup_vmid_config()
326 i * hub->ctx_distance, tmp); in gfxhub_v11_5_0_setup_vmid_config()
328 i * hub->ctx_addr_distance, 0); in gfxhub_v11_5_0_setup_vmid_config()
330 i * hub->ctx_addr_distance, 0); in gfxhub_v11_5_0_setup_vmid_config()
332 i * hub->ctx_addr_distance, in gfxhub_v11_5_0_setup_vmid_config()
335 i * hub->ctx_addr_distance, in gfxhub_v11_5_0_setup_vmid_config()
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| /linux-6.12.1/drivers/misc/mei/ |
| D | hw-me.h | 85 * @MEI_ME_ICH_CFG: I/O Controller Hub legacy devices.
86 * @MEI_ME_ICH10_CFG: I/O Controller Hub platforms Gen10
87 * @MEI_ME_PCH6_CFG: Platform Controller Hub platforms (Gen6).
88 * @MEI_ME_PCH7_CFG: Platform Controller Hub platforms (Gen7).
89 * @MEI_ME_PCH_CPT_PBG_CFG:Platform Controller Hub workstations
91 * @MEI_ME_PCH8_CFG: Platform Controller Hub Gen8 and newer
93 * @MEI_ME_PCH8_ITOUCH_CFG:Platform Controller Hub Gen8 and newer
95 * @MEI_ME_PCH8_SPS_4_CFG: Platform Controller Hub Gen8 and newer
98 * @MEI_ME_PCH12_CFG: Platform Controller Hub Gen12 and newer
99 * @MEI_ME_PCH12_SPS_4_CFG:Platform Controller Hub Gen12 up to 4.0
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