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/Linux-v6.6/drivers/usb/host/
Dxhci.c3 * xHCI host controller driver
22 #include "xhci.h"
23 #include "xhci-trace.h"
24 #include "xhci-debugfs.h"
25 #include "xhci-dbgcap.h"
85 * Disable interrupts and begin the xHCI halting process.
87 void xhci_quiesce(struct xhci_hcd *xhci) in xhci_quiesce() argument
94 halted = readl(&xhci->op_regs->status) & STS_HALT; in xhci_quiesce()
98 cmd = readl(&xhci->op_regs->command); in xhci_quiesce()
100 writel(cmd, &xhci->op_regs->command); in xhci_quiesce()
[all …]
Dxhci-mem.c3 * xHCI host controller driver
18 #include "xhci.h"
19 #include "xhci-trace.h"
20 #include "xhci-debugfs.h"
29 static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci, in xhci_segment_alloc() argument
37 struct device *dev = xhci_to_hcd(xhci)->self.sysdev; in xhci_segment_alloc()
43 seg->trbs = dma_pool_zalloc(xhci->segment_pool, flags, &dma); in xhci_segment_alloc()
53 dma_pool_free(xhci->segment_pool, seg->trbs, dma); in xhci_segment_alloc()
69 static void xhci_segment_free(struct xhci_hcd *xhci, struct xhci_segment *seg) in xhci_segment_free() argument
72 dma_pool_free(xhci->segment_pool, seg->trbs, seg->dma); in xhci_segment_free()
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Dxhci-pci.c3 * xHCI host controller driver PCI Bus Glue.
18 #include "xhci.h"
19 #include "xhci-trace.h"
20 #include "xhci-pci.h"
92 static void xhci_msix_sync_irqs(struct xhci_hcd *xhci) in xhci_msix_sync_irqs() argument
94 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_msix_sync_irqs()
100 for (i = 0; i < xhci->msix_count; i++) in xhci_msix_sync_irqs()
106 static void xhci_cleanup_msix(struct xhci_hcd *xhci) in xhci_cleanup_msix() argument
108 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_cleanup_msix()
118 for (i = 0; i < xhci->msix_count; i++) in xhci_cleanup_msix()
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Dxhci-plat.c3 * xhci-plat.c - xHCI host controller driver platform Bus Glue.
8 * A lot of code borrowed from the Linux xHCI driver.
23 #include "xhci.h"
24 #include "xhci-plat.h"
25 #include "xhci-mvebu.h"
76 static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci) in xhci_plat_quirks() argument
78 struct xhci_plat_priv *priv = xhci_to_priv(xhci); in xhci_plat_quirks()
80 xhci->quirks |= priv->quirks; in xhci_plat_quirks()
117 .compatible = "generic-xhci",
119 .compatible = "xhci-platform",
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Dxhci-ring.c3 * xHCI host controller driver
58 #include "xhci.h"
59 #include "xhci-trace.h"
61 static int queue_command(struct xhci_hcd *xhci, struct xhci_command *cmd,
142 static void next_trb(struct xhci_hcd *xhci, in next_trb() argument
158 void inc_deq(struct xhci_hcd *xhci, struct xhci_ring *ring) in inc_deq() argument
178 xhci_warn(xhci, "Missing link TRB at end of segment\n"); in inc_deq()
188 xhci_warn(xhci, "Ring is an endless link TRB loop\n"); in inc_deq()
209 * xHCI hardware can't handle the chain bit being cleared on a link TRB.
214 static void inc_enq(struct xhci_hcd *xhci, struct xhci_ring *ring, in inc_enq() argument
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DMakefile6 # tell define_trace.h where to find the xhci trace header
14 xhci-hcd-y := xhci.o xhci-mem.o xhci-ext-caps.o
15 xhci-hcd-y += xhci-ring.o xhci-hub.o xhci-dbg.o
16 xhci-hcd-y += xhci-trace.o
19 xhci-hcd-y += xhci-dbgcap.o xhci-dbgtty.o
22 xhci-mtk-hcd-y := xhci-mtk.o xhci-mtk-sch.o
24 xhci-plat-hcd-y := xhci-plat.o
26 xhci-plat-hcd-y += xhci-mvebu.o
29 xhci-hcd-y += xhci-debugfs.o
32 xhci-rcar-hcd-y += xhci-rcar.o
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Dxhci-hub.c3 * xHCI host controller driver
16 #include "xhci.h"
17 #include "xhci-trace.h"
35 static int xhci_create_usb3x_bos_desc(struct xhci_hcd *xhci, char *buf, in xhci_create_usb3x_bos_desc() argument
60 for (i = 0; i < xhci->num_port_caps; i++) { in xhci_create_usb3x_bos_desc()
61 u8 major = xhci->port_caps[i].maj_rev; in xhci_create_usb3x_bos_desc()
62 u8 minor = xhci->port_caps[i].min_rev; in xhci_create_usb3x_bos_desc()
67 port_cap = &xhci->port_caps[i]; in xhci_create_usb3x_bos_desc()
111 reg = readl(&xhci->cap_regs->hcc_params); in xhci_create_usb3x_bos_desc()
115 if ((xhci->quirks & XHCI_LPM_SUPPORT)) { in xhci_create_usb3x_bos_desc()
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Dxhci-debugfs.c3 * xhci-debugfs.c - xHCI debugfs interface
13 #include "xhci.h"
14 #include "xhci-debugfs.h"
86 static struct xhci_regset *xhci_debugfs_alloc_regset(struct xhci_hcd *xhci) in xhci_debugfs_alloc_regset() argument
99 list_add_tail(&regset->list, &xhci->regset_list); in xhci_debugfs_alloc_regset()
114 static void xhci_debugfs_regset(struct xhci_hcd *xhci, u32 base, in xhci_debugfs_regset() argument
122 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_debugfs_regset()
124 rgs = xhci_debugfs_alloc_regset(xhci); in xhci_debugfs_regset()
141 static void xhci_debugfs_extcap_regset(struct xhci_hcd *xhci, int cap_id, in xhci_debugfs_extcap_regset() argument
148 void __iomem *base = &xhci->cap_regs->hc_capbase; in xhci_debugfs_extcap_regset()
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Dxhci-mtk.c3 * MediaTek xHCI Host Controller Driver
23 #include "xhci.h"
24 #include "xhci-mtk.h"
60 /* xHCI CSR */
139 if (!of_device_is_compatible(dev->of_node, "mediatek,mt8195-xhci")) in xhci_mtk_set_frame_interval()
416 static void xhci_mtk_quirks(struct device *dev, struct xhci_hcd *xhci) in xhci_mtk_quirks() argument
418 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_mtk_quirks()
421 xhci->quirks |= XHCI_MTK_HOST; in xhci_mtk_quirks()
426 xhci->quirks |= XHCI_SPURIOUS_SUCCESS; in xhci_mtk_quirks()
428 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_mtk_quirks()
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Dxhci-histb.c3 * xHCI host controller driver for HiSilicon STB SoCs
19 #include "xhci.h"
69 * refer to xHCI spec in xhci_histb_config()
193 struct xhci_hcd *xhci; in xhci_histb_probe() local
252 xhci = hcd_to_xhci(hcd); in xhci_histb_probe()
256 xhci->main_hcd = hcd; in xhci_histb_probe()
257 xhci->shared_hcd = usb_create_shared_hcd(driver, dev, dev_name(dev), in xhci_histb_probe()
259 if (!xhci->shared_hcd) { in xhci_histb_probe()
265 xhci->quirks |= XHCI_HW_LPM_DISABLE; in xhci_histb_probe()
268 xhci->quirks |= XHCI_LPM_SUPPORT; in xhci_histb_probe()
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Dxhci-debugfs.h3 * xhci-debugfs.h - xHCI debugfs interface
107 void xhci_debugfs_init(struct xhci_hcd *xhci);
108 void xhci_debugfs_exit(struct xhci_hcd *xhci);
111 void xhci_debugfs_create_slot(struct xhci_hcd *xhci, int slot_id);
112 void xhci_debugfs_remove_slot(struct xhci_hcd *xhci, int slot_id);
113 void xhci_debugfs_create_endpoint(struct xhci_hcd *xhci,
116 void xhci_debugfs_remove_endpoint(struct xhci_hcd *xhci,
119 void xhci_debugfs_create_stream_files(struct xhci_hcd *xhci,
123 static inline void xhci_debugfs_init(struct xhci_hcd *xhci) { } in xhci_debugfs_init() argument
124 static inline void xhci_debugfs_exit(struct xhci_hcd *xhci) { } in xhci_debugfs_exit() argument
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Dxhci-rcar.c3 * xHCI host controller driver for R-Car SoCs
15 #include "xhci.h"
16 #include "xhci-plat.h"
17 #include "xhci-rzv2m.h"
93 return of_device_is_compatible(node, "renesas,xhci-r8a7790") || in xhci_rcar_is_gen2()
94 of_device_is_compatible(node, "renesas,xhci-r8a7791") || in xhci_rcar_is_gen2()
95 of_device_is_compatible(node, "renesas,xhci-r8a7793") || in xhci_rcar_is_gen2()
96 of_device_is_compatible(node, "renesas,rcar-gen2-xhci"); in xhci_rcar_is_gen2()
206 * pointers. So, this driver clears the AC64 bit of xhci->hcc_params
240 .compatible = "renesas,xhci-r8a7790",
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Dxhci-dbgcap.c3 * xhci-dbgcap.c - xHCI debug capability support
13 #include "xhci.h"
14 #include "xhci-trace.h"
15 #include "xhci-dbgcap.h"
412 /* xhci 7.6.9, all three contexts; info, ep-out and ep-in. Each 64 bytes*/ in dbc_alloc_ctx()
923 struct xhci_hcd *xhci; in dbc_show() local
925 xhci = hcd_to_xhci(dev_get_drvdata(dev)); in dbc_show()
926 dbc = xhci->dbc; in dbc_show()
958 struct xhci_hcd *xhci; in dbc_store() local
961 xhci = hcd_to_xhci(dev_get_drvdata(dev)); in dbc_store()
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Dxhci.h4 * xHCI host controller driver
21 /* Code sharing between pci-quirks and xhci hcd */
22 #include "xhci-ext-caps.h"
28 /* xHCI PCI Configuration Registers */
37 * xHCI register interface.
38 * This corresponds to the eXtensible Host Controller Interface (xHCI)
43 * struct xhci_cap_regs - xHCI Host Controller Capability Registers.
51 * @hcc_params2: HCCPARAMS2 Capability Parameters 2, xhci 1.1 only
61 __le32 hcc_params2; /* xhci 1.1 */
158 * struct xhci_op_regs - xHCI Host Controller Operational Registers.
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Dxhci-ext-caps.c3 * XHCI extended capability handling
11 #include "xhci.h"
28 static int xhci_create_intel_xhci_sw_pdev(struct xhci_hcd *xhci, u32 cap_offset) in xhci_create_intel_xhci_sw_pdev() argument
30 struct usb_hcd *hcd = xhci_to_hcd(xhci); in xhci_create_intel_xhci_sw_pdev()
39 xhci_err(xhci, "couldn't allocate %s platform device\n", in xhci_create_intel_xhci_sw_pdev()
84 int xhci_ext_cap_init(struct xhci_hcd *xhci) in xhci_ext_cap_init() argument
86 void __iomem *base = &xhci->cap_regs->hc_capbase; in xhci_ext_cap_init()
97 if (xhci->quirks & XHCI_INTEL_USB_ROLE_SW) { in xhci_ext_cap_init()
98 ret = xhci_create_intel_xhci_sw_pdev(xhci, in xhci_ext_cap_init()
Dxhci-dbgcap.h3 * xhci-dbgcap.h - xHCI debug capability support
124 struct xhci_hcd *xhci; member
202 int xhci_create_dbc_dev(struct xhci_hcd *xhci);
203 void xhci_remove_dbc_dev(struct xhci_hcd *xhci);
208 int xhci_dbc_tty_probe(struct device *dev, void __iomem *res, struct xhci_hcd *xhci);
219 int xhci_dbc_suspend(struct xhci_hcd *xhci);
220 int xhci_dbc_resume(struct xhci_hcd *xhci);
223 static inline int xhci_create_dbc_dev(struct xhci_hcd *xhci) in xhci_create_dbc_dev() argument
228 static inline void xhci_remove_dbc_dev(struct xhci_hcd *xhci) in xhci_remove_dbc_dev() argument
238 static inline int xhci_dbc_suspend(struct xhci_hcd *xhci) in xhci_dbc_suspend() argument
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Dxhci-dbg.c3 * xHCI host controller driver
11 #include "xhci.h"
13 char *xhci_get_slot_state(struct xhci_hcd *xhci, in xhci_get_slot_state() argument
16 struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx); in xhci_get_slot_state()
22 void xhci_dbg_trace(struct xhci_hcd *xhci, void (*trace)(struct va_format *), in xhci_dbg_trace() argument
31 xhci_dbg(xhci, "%pV\n", &vaf); in xhci_dbg_trace()
DKconfig21 tristate "xHCI HCD (USB 3.0) support"
24 The eXtensible Host Controller Interface (xHCI) is standard for USB 3.0
28 module will be called xhci-hcd.
32 bool "xHCI support for debug capability"
35 Say 'Y' to enable the support for the xHCI debug capability. Make
36 sure that your xHCI host supports the extended debug capability and
37 you want a TTY serial device based on the xHCI debug capability
47 tristate "Support for additional Renesas xHCI controller with firmware"
49 Say 'Y' to enable the support for the Renesas xHCI controller with
55 tristate "Generic xHCI driver for a platform device"
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/Linux-v6.6/Documentation/devicetree/bindings/usb/
Drenesas,usb-xhci.yaml4 $id: http://devicetree.org/schemas/usb/renesas,usb-xhci.yaml#
7 title: Renesas USB xHCI controllers
18 - renesas,xhci-r8a7742 # RZ/G1H
19 - renesas,xhci-r8a7743 # RZ/G1M
20 - renesas,xhci-r8a7744 # RZ/G1N
21 - renesas,xhci-r8a7790 # R-Car H2
22 - renesas,xhci-r8a7791 # R-Car M2-W
23 - renesas,xhci-r8a7793 # R-Car M2-N
24 - const: renesas,rcar-gen2-xhci # R-Car Gen2 and RZ/G1
27 - renesas,xhci-r8a774a1 # RZ/G2M
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Dgeneric-xhci.yaml4 $id: http://devicetree.org/schemas/usb/generic-xhci.yaml#
7 title: USB xHCI Controller
13 - $ref: usb-xhci.yaml#
18 - description: Generic xHCI device
19 const: generic-xhci
23 - marvell,armada3700-xhci
24 - marvell,armada-375-xhci
25 - marvell,armada-380-xhci
26 - marvell,armada-8k-xhci
27 - const: generic-xhci
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Dmediatek,mtk-xhci.yaml5 $id: http://devicetree.org/schemas/usb/mediatek,mtk-xhci.yaml#
8 title: MediaTek USB3 xHCI
14 - $ref: usb-xhci.yaml
18 case 1: only supports xHCI driver;
19 case 2: supports dual-role mode, and the host is based on xHCI driver.
26 - mediatek,mt2701-xhci
27 - mediatek,mt2712-xhci
28 - mediatek,mt7622-xhci
29 - mediatek,mt7623-xhci
30 - mediatek,mt7629-xhci
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/Linux-v6.6/Documentation/devicetree/bindings/phy/
Drealtek,usb2phy.yaml15 The USB 2.0 PHY driver is designed to support the XHCI controller. The SoCs
16 support multiple XHCI controllers. One PHY device node maps to one XHCI
20 The USB architecture includes three XHCI controllers.
21 Each XHCI maps to one USB 2.0 PHY and map one USB 3.0 PHY on some
23 XHCI controller#0 -- usb2phy -- phy#0
25 XHCI controller#1 -- usb2phy -- phy#0
26 XHCI controller#2 -- usb2phy -- phy#0
30 The USB architecture includes two XHCI controllers.
33 XHCI controller#0 -- usb2phy -- phy#0
34 XHCI controller#1 -- usb2phy -- phy#0
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Drealtek,usb3phy.yaml15 The USB 3.0 PHY driver is designed to support the XHCI controller. The SoCs
16 support multiple XHCI controllers. One PHY device node maps to one XHCI
20 The USB architecture includes three XHCI controllers.
21 Each XHCI maps to one USB 2.0 PHY and map one USB 3.0 PHY on some
23 XHCI controller#0 -- usb2phy -- phy#0
25 XHCI controller#1 -- usb2phy -- phy#0
26 XHCI controller#2 -- usb2phy -- phy#0
30 The USB architecture includes three XHCI controllers.
31 Each XHCI maps to one USB 2.0 PHY and map one USB 3.0 PHY on controllers#2.
32 XHCI controller#0 -- usb2phy -- phy#0
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/Linux-v6.6/drivers/usb/cdns3/
Dhost.c18 #include "../host/xhci.h"
19 #include "../host/xhci-plat.h"
29 struct xhci_hcd *xhci = hcd_to_xhci(hcd); in xhci_cdns3_plat_start() local
33 value = readl(&xhci->op_regs->command); in xhci_cdns3_plat_start()
35 writel(value, &xhci->op_regs->command); in xhci_cdns3_plat_start()
62 struct platform_device *xhci; in __cdns_host_init() local
68 xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO); in __cdns_host_init()
69 if (!xhci) { in __cdns_host_init()
70 dev_err(cdns->dev, "couldn't allocate xHCI device\n"); in __cdns_host_init()
74 xhci->dev.parent = cdns->dev; in __cdns_host_init()
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/Linux-v6.6/drivers/usb/dwc3/
Dhost.c65 struct platform_device *xhci; in dwc3_host_init() local
73 xhci = platform_device_alloc("xhci-hcd", PLATFORM_DEVID_AUTO); in dwc3_host_init()
74 if (!xhci) { in dwc3_host_init()
75 dev_err(dwc->dev, "couldn't allocate xHCI device\n"); in dwc3_host_init()
79 xhci->dev.parent = dwc->dev; in dwc3_host_init()
81 dwc->xhci = xhci; in dwc3_host_init()
83 ret = platform_device_add_resources(xhci, dwc->xhci_resources, in dwc3_host_init()
86 dev_err(dwc->dev, "couldn't add resources to xHCI device\n"); in dwc3_host_init()
105 * This following flag tells XHCI to do just that. in dwc3_host_init()
111 ret = device_create_managed_software_node(&xhci->dev, props, NULL); in dwc3_host_init()
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