| /Linux-v5.15/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
55 static int usb3503_reset(struct usb3503 *hub, int state) in usb3503_reset() argument
57 if (!state && hub->connect) in usb3503_reset()
58 gpiod_set_value_cansleep(hub->connect, 0); in usb3503_reset()
60 if (hub->reset) in usb3503_reset()
61 gpiod_set_value_cansleep(hub->reset, !state); in usb3503_reset()
63 /* Wait T_HUBINIT == 4ms for hub logic to stabilize */ in usb3503_reset()
70 static int usb3503_connect(struct usb3503 *hub) in usb3503_connect() argument
72 struct device *dev = hub->dev; in usb3503_connect()
75 usb3503_reset(hub, 1); 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-v5.15/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-v5.15/drivers/usb/core/ |
| D | hub.c | 3 * USB hub driver.
38 #include "hub.h"
58 /* workqueue to process hub events */
62 /* synchronize hub-port add/remove and peering operations */
90 * hub driver's behavior. On the first initialization attempt, if the
118 static int hub_port_disable(struct usb_hub *hub, int port1, int set_state);
119 static bool hub_port_warm_reset_required(struct usb_hub *hub, int port1,
122 static inline char *portspeed(struct usb_hub *hub, int portstatus) in portspeed() argument
124 if (hub_is_superspeedplus(hub->hdev)) in portspeed()
126 if (hub_is_superspeed(hub->hdev)) in portspeed()
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| D | hub.h | 3 * usb hub driver head file
28 struct usb_hub_status hub; member
113 extern int usb_hub_create_port_device(struct usb_hub *hub,
115 extern void usb_hub_remove_port_device(struct usb_hub *hub,
117 extern int usb_hub_set_port_power(struct usb_device *hdev, struct usb_hub *hub,
120 extern int hub_port_debounce(struct usb_hub *hub, int port1,
125 static inline bool hub_is_port_power_switchable(struct usb_hub *hub) in hub_is_port_power_switchable() argument
129 if (!hub) in hub_is_port_power_switchable()
131 hcs = hub->descriptor->wHubCharacteristics; in hub_is_port_power_switchable()
147 static inline unsigned hub_power_on_good_delay(struct usb_hub *hub) in hub_power_on_good_delay() argument
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| D | usb-acpi.c | 16 #include "hub.h"
21 * @hdev: USB device belonging to the usb hub
43 * @hdev: USB device belonging to the usb hub
54 struct usb_hub *hub = usb_hub_to_struct_hub(hdev); in usb_acpi_set_power_state() local
61 if (!hub) in usb_acpi_set_power_state()
63 port_dev = hub->ports[port1 - 1]; in usb_acpi_set_power_state()
151 /* Get the struct usb_device point of port's hub */ in usb_acpi_get_companion_for_port()
155 * The root hub ports' parent is the root hub. The non-root-hub in usb_acpi_get_companion_for_port()
156 * ports' parent is the parent hub port which the hub is in usb_acpi_get_companion_for_port()
205 struct usb_hub *hub; in usb_acpi_find_companion_for_device() local
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| D | port.c | 13 #include "hub.h"
196 struct usb_hub *hub = usb_hub_to_struct_hub(hdev); in usb_port_runtime_resume() local
202 if (!hub) in usb_port_runtime_resume()
204 if (hub->in_reset) { in usb_port_runtime_resume()
205 set_bit(port1, hub->power_bits); in usb_port_runtime_resume()
220 retval = usb_hub_set_port_power(hdev, hub, port1, true); in usb_port_runtime_resume()
221 msleep(hub_power_on_good_delay(hub)); in usb_port_runtime_resume()
232 if (hub_port_debounce_be_connected(hub, port1) < 0) { in usb_port_runtime_resume()
235 set_bit(port1, hub->warm_reset_bits); in usb_port_runtime_resume()
239 if (!test_and_set_bit(port1, hub->child_usage_bits)) { in usb_port_runtime_resume()
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| /Linux-v5.15/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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| D | core.c | 3 * Intel(R) Trace Hub driver core
53 struct intel_th_device *hub = NULL; in intel_th_probe() local
57 hub = thdev; in intel_th_probe()
59 hub = to_intel_th_device(dev->parent); in intel_th_probe()
61 if (!hub || !hub->dev.driver) in intel_th_probe()
64 hubdrv = to_intel_th_driver(hub->dev.driver); in intel_th_probe()
83 ret = hubdrv->assign(hub, thdev); in intel_th_probe()
102 struct intel_th_device *hub = to_intel_th_hub(thdev); in intel_th_remove() local
105 struct intel_th *th = to_intel_th(hub); in intel_th_remove()
117 * Remove outputs, that is, hub's children: they are created in intel_th_remove()
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| /Linux-v5.15/drivers/platform/surface/ |
| D | surface_aggregator_registry.c | 44 /* Base device hub (devices attached to Surface Book 3 base). */
98 /* HID keyboard (base hub). */
104 /* HID touchpad (base hub). */
110 /* HID device instance 5 (unknown HID device, base hub). */
116 /* HID device instance 6 (unknown HID device, base hub). */
265 /* -- SSAM base-hub driver. ------------------------------------------------- */
299 static int ssam_base_hub_query_state(struct ssam_base_hub *hub, enum ssam_base_hub_state *state) in ssam_base_hub_query_state() argument
304 status = ssam_retry(ssam_bas_query_opmode, hub->sdev->ctrl, &opmode); in ssam_base_hub_query_state()
306 dev_err(&hub->sdev->dev, "failed to query base state: %d\n", status); in ssam_base_hub_query_state()
321 struct ssam_base_hub *hub = dev_get_drvdata(dev); in ssam_base_hub_state_show() local
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| /Linux-v5.15/drivers/gpu/drm/tegra/ |
| D | hub.c | 153 int tegra_display_hub_prepare(struct tegra_display_hub *hub) in tegra_display_hub_prepare() argument
163 for (i = 0; i < hub->soc->num_wgrps; i++) { in tegra_display_hub_prepare()
164 struct tegra_windowgroup *wgrp = &hub->wgrps[i]; in tegra_display_hub_prepare()
174 void tegra_display_hub_cleanup(struct tegra_display_hub *hub) in tegra_display_hub_cleanup() argument
182 for (i = 0; i < hub->soc->num_wgrps; i++) { in tegra_display_hub_cleanup()
183 struct tegra_windowgroup *wgrp = &hub->wgrps[i]; in tegra_display_hub_cleanup()
754 struct tegra_display_hub *hub = tegra->hub; in tegra_shared_plane_create() local
770 plane->wgrp = &hub->wgrps[wgrp]; in tegra_shared_plane_create()
825 tegra_display_hub_get_state(struct tegra_display_hub *hub, in tegra_display_hub_get_state() argument
830 priv = drm_atomic_get_private_obj_state(state, &hub->base); in tegra_display_hub_get_state()
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| /Linux-v5.15/Documentation/devicetree/bindings/usb/ |
| D | usb251xb.txt | 1 Microchip USB 2.0 Hi-Speed Hub Controller
14 - reset-gpios : Should specify the gpio for hub reset
16 - skip-config : Skip Hub configuration, but only send the USB-Attach command
17 - vendor-id : Set USB Vendor ID of the hub (16 bit, default is 0x0424)
18 - product-id : Set USB Product ID of the hub (16 bit, default depends on type)
19 - device-id : Set USB Device ID of the hub (16 bit, default is 0x0bb3)
39 - compound-device : indicate the hub is part of a compound device (boolean)
49 - sp-max-total-current-microamp: Specifies max current consumed by the hub
50 from VBUS when operating in self-powered hub. It includes the hub
53 - bp-max-total-current-microamp: Specifies max current consumed by the hub
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| D | realtek,rts5411.yaml | 7 title: Binding for the Realtek RTS5411 USB 3.0 hub controller
26 phandle to the regulator that provides power to the hub.
28 companion-hub:
31 phandle to the companion hub on the controller.
34 - companion-hub
47 /* 2.0 hub on port 1 */
48 hub_2_0: hub@1 {
52 companion-hub = <&hub_3_0>;
55 /* 3.0 hub on port 2 */
56 hub_3_0: hub@2 {
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| /Linux-v5.15/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-v5.15/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
21 * limit. Because the arrays need to add a bit for hub status data, we
30 * Hub request types
45 * Hub class requests
54 * Hub class additional requests defined by USB 3.0 spec
61 * Hub Class feature numbers
104 /* USB 3.0 hub remote wake mask bits, see table 10-14 */
110 * Hub Status and Hub Change results
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| /Linux-v5.15/drivers/misc/mei/ |
| D | hw-me.h | 73 * @MEI_ME_ICH_CFG: I/O Controller Hub legacy devices.
74 * @MEI_ME_ICH10_CFG: I/O Controller Hub platforms Gen10
75 * @MEI_ME_PCH6_CFG: Platform Controller Hub platforms (Gen6).
76 * @MEI_ME_PCH7_CFG: Platform Controller Hub platforms (Gen7).
77 * @MEI_ME_PCH_CPT_PBG_CFG:Platform Controller Hub workstations
79 * @MEI_ME_PCH8_CFG: Platform Controller Hub Gen8 and newer
81 * @MEI_ME_PCH8_ITOUCH_CFG:Platform Controller Hub Gen8 and newer
83 * @MEI_ME_PCH8_SPS_4_CFG: Platform Controller Hub Gen8 and newer
86 * @MEI_ME_PCH12_CFG: Platform Controller Hub Gen12 and newer
87 * @MEI_ME_PCH12_SPS_4_CFG:Platform Controller Hub Gen12 up to 4.0
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| /Linux-v5.15/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()
286 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; in gfxhub_v2_0_setup_vmid_config() local
317 i * hub->ctx_distance, tmp); in gfxhub_v2_0_setup_vmid_config()
319 i * hub->ctx_addr_distance, 0); in gfxhub_v2_0_setup_vmid_config()
321 i * hub->ctx_addr_distance, 0); in gfxhub_v2_0_setup_vmid_config()
323 i * hub->ctx_addr_distance, in gfxhub_v2_0_setup_vmid_config()
326 i * hub->ctx_addr_distance, in gfxhub_v2_0_setup_vmid_config()
333 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; in gfxhub_v2_0_program_invalidation() local
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| D | gfxhub_v1_0.c | 43 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; in gfxhub_v1_0_setup_vm_pt_regs() local
46 hub->ctx_addr_distance * vmid, in gfxhub_v1_0_setup_vm_pt_regs()
50 hub->ctx_addr_distance * vmid, in gfxhub_v1_0_setup_vm_pt_regs()
251 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; in gfxhub_v1_0_setup_vmid_config() local
295 i * hub->ctx_distance, tmp); in gfxhub_v1_0_setup_vmid_config()
297 i * hub->ctx_addr_distance, 0); in gfxhub_v1_0_setup_vmid_config()
299 i * hub->ctx_addr_distance, 0); in gfxhub_v1_0_setup_vmid_config()
301 i * hub->ctx_addr_distance, in gfxhub_v1_0_setup_vmid_config()
304 i * hub->ctx_addr_distance, in gfxhub_v1_0_setup_vmid_config()
311 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; in gfxhub_v1_0_program_invalidation() local
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| D | gfxhub_v2_1.c | 126 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; in gfxhub_v2_1_setup_vm_pt_regs() local
129 hub->ctx_addr_distance * vmid, in gfxhub_v2_1_setup_vm_pt_regs()
133 hub->ctx_addr_distance * vmid, in gfxhub_v2_1_setup_vm_pt_regs()
295 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; in gfxhub_v2_1_setup_vmid_config() local
326 i * hub->ctx_distance, tmp); in gfxhub_v2_1_setup_vmid_config()
328 i * hub->ctx_addr_distance, 0); in gfxhub_v2_1_setup_vmid_config()
330 i * hub->ctx_addr_distance, 0); in gfxhub_v2_1_setup_vmid_config()
332 i * hub->ctx_addr_distance, in gfxhub_v2_1_setup_vmid_config()
335 i * hub->ctx_addr_distance, in gfxhub_v2_1_setup_vmid_config()
342 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_GFXHUB_0]; in gfxhub_v2_1_program_invalidation() local
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| D | mmhub_v2_3.c | 123 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; in mmhub_v2_3_setup_vm_pt_regs() local
126 hub->ctx_addr_distance * vmid, lower_32_bits(page_table_base)); in mmhub_v2_3_setup_vm_pt_regs()
129 hub->ctx_addr_distance * vmid, upper_32_bits(page_table_base)); in mmhub_v2_3_setup_vm_pt_regs()
283 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; in mmhub_v2_3_setup_vmid_config() local
315 i * hub->ctx_distance, tmp); in mmhub_v2_3_setup_vmid_config()
317 i * hub->ctx_addr_distance, 0); in mmhub_v2_3_setup_vmid_config()
319 i * hub->ctx_addr_distance, 0); in mmhub_v2_3_setup_vmid_config()
321 i * hub->ctx_addr_distance, in mmhub_v2_3_setup_vmid_config()
324 i * hub->ctx_addr_distance, in mmhub_v2_3_setup_vmid_config()
331 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; in mmhub_v2_3_program_invalidation() local
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| D | mmhub_v2_0.c | 194 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; in mmhub_v2_0_setup_vm_pt_regs() local
197 hub->ctx_addr_distance * vmid, in mmhub_v2_0_setup_vm_pt_regs()
201 hub->ctx_addr_distance * vmid, in mmhub_v2_0_setup_vm_pt_regs()
370 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; in mmhub_v2_0_setup_vmid_config() local
402 i * hub->ctx_distance, tmp); in mmhub_v2_0_setup_vmid_config()
404 i * hub->ctx_addr_distance, 0); in mmhub_v2_0_setup_vmid_config()
406 i * hub->ctx_addr_distance, 0); in mmhub_v2_0_setup_vmid_config()
408 i * hub->ctx_addr_distance, in mmhub_v2_0_setup_vmid_config()
411 i * hub->ctx_addr_distance, in mmhub_v2_0_setup_vmid_config()
418 struct amdgpu_vmhub *hub = &adev->vmhub[AMDGPU_MMHUB_0]; in mmhub_v2_0_program_invalidation() local
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| D | gmc_v10_0.c | 73 /* MM HUB */ in gmc_v10_0_vm_fault_interrupt_state()
75 /* GFX HUB */ in gmc_v10_0_vm_fault_interrupt_state()
79 /* MM HUB */ in gmc_v10_0_vm_fault_interrupt_state()
81 /* GFX HUB */ in gmc_v10_0_vm_fault_interrupt_state()
97 struct amdgpu_vmhub *hub = &adev->vmhub[entry->vmid_src]; in gmc_v10_0_process_interrupt() local
137 RREG32(hub->vm_l2_pro_fault_status); in gmc_v10_0_process_interrupt()
139 status = RREG32(hub->vm_l2_pro_fault_status); in gmc_v10_0_process_interrupt()
140 WREG32_P(hub->vm_l2_pro_fault_cntl, 1, ~1); in gmc_v10_0_process_interrupt()
161 hub->vmhub_funcs->print_l2_protection_fault_status(adev, in gmc_v10_0_process_interrupt()
227 struct amdgpu_vmhub *hub = &adev->vmhub[vmhub]; in gmc_v10_0_flush_vm_hub() local
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| /Linux-v5.15/arch/mips/sgi-ip27/ |
| D | ip27-hubio.c | 6 * Support functions for the HUB ASIC - mostly PIO mapping related.
22 * hub_pio_map - establish a HUB PIO mapping
24 * @hub: hub to perform PIO mapping on
40 printk(KERN_WARNING "PIO mapping at hub %d widget %d addr 0x%lx" in hub_pio_map()
60 * received by the hub and can be used by future PIO reads/ in hub_pio_map()
73 " hub %d widget %d addr 0x%lx\n", in hub_pio_map()
120 * hub_set_piomode - set pio mode for a given hub
122 * @nasid: physical node ID for the hub in question
124 * Put the hub into either "PIO conveyor belt" mode or "fire-and-forget" mode.
171 * hub_pio_init - PIO-related hub initialization
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| /Linux-v5.15/include/linux/ |
| D | hid-sensor-hub.h | 57 * struct hid_sensor_hub_device - Stores the hub instance data
59 * @vendor_id: Vendor id of hub device.
60 * @product_id: Product id of hub device.
61 * @usage: Usage id for this hub device instance.
99 * sensor_hub_device_open() - Open hub device
100 * @hsdev: Hub device instance.
102 * Used to open hid device for sensor hub.
107 * sensor_hub_device_clode() - Close hub device
108 * @hsdev: Hub device instance.
110 * Used to clode hid device for sensor hub.
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