xhci.h File Reference

#include <stdint.h>
#include <device/device.h>
#include <commonlib/bsd/cb_err.h>

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Data Structures
struct	xhci_supported_protocol
struct	xhci_ext_cap

Macros
#define	XHCI_HCCPARAMS1_XECP   0x12
#define	XHCI_ECP_CAP_ID_LEGACY   1
#define	XHCI_ECP_CAP_ID_SUPP   2

Functions
enum cb_err	xhci_for_each_ext_cap (const struct device *device, void *context, void(*callback)(void *context, const struct xhci_ext_cap *cap))
	Iterates over the xHCI Extended Capabilities List. More...
enum cb_err	xhci_for_each_supported_usb_cap (const struct device *device, void *context, void(*callback)(void *context, const struct xhci_supported_protocol *data))
	Helper method that iterates over only the USB supported capabilities structures in the xHCI Extended Capabilities List. More...
void	xhci_print_supported_protocol (const struct xhci_supported_protocol *supported_protocol)

Macro Definition Documentation

XHCI_ECP_CAP_ID_LEGACY

#define XHCI_ECP_CAP_ID_LEGACY   1

Definition at line 12 of file xhci.h.

XHCI_ECP_CAP_ID_SUPP

#define XHCI_ECP_CAP_ID_SUPP   2

Definition at line 13 of file xhci.h.

XHCI_HCCPARAMS1_XECP

#define XHCI_HCCPARAMS1_XECP   0x12

Definition at line 10 of file xhci.h.

Function Documentation

xhci_for_each_ext_cap()

enum cb_err xhci_for_each_ext_cap	(	const struct device *	device,
		void *	context,
		void(*)(void *context, const struct xhci_ext_cap *cap)	callback
	)

Iterates over the xHCI Extended Capabilities List.

Definition at line 1 of file xhci.c.

xhci_for_each_supported_usb_cap()

enum cb_err xhci_for_each_supported_usb_cap	(	const struct device *	device,
		void *	context,
		void(*)(void *context, const struct xhci_supported_protocol *data)	callback
	)

Helper method that iterates over only the USB supported capabilities structures in the xHCI Extended Capabilities List.

Definition at line 84 of file xhci.c.

References BIOS_DEBUG, supported_usb_cap_context::callback, xhci_ext_cap::cap_id, supported_usb_cap_context::context, memcmp(), xhci_supported_protocol::name, printk, xhci_ext_cap::supported_protocol, and XHCI_ECP_CAP_ID_SUPP.

Referenced by xhci_add_devices(), and xhci_port_exists().

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xhci_print_supported_protocol()

void xhci_print_supported_protocol

(

const struct xhci_supported_protocol *

supported_protocol

)

Definition at line 115 of file xhci.c.

References BIOS_DEBUG, xhci_supported_protocol::major_rev, xhci_supported_protocol::minor_rev, xhci_supported_protocol::name, xhci_supported_protocol::port_count, xhci_supported_protocol::port_offset, and printk.

Referenced by xhci_generate_port_acpi().

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