pci_xhci.c File Reference

#include "pci_xhci.h"
#include <acpi/acpigen.h>
#include <acpi/acpigen_pci.h>
#include <console/console.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/xhci.h>
#include <stdlib.h>

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Data Structures
struct	port_counts

Macros
#define	PCI_XHCI_CLASSCODE   0x0c0330 /* USB3.0 xHCI controller */

Functions
__weak enum cb_err	pci_xhci_get_wake_gpe (const struct device *dev, int *gpe)
static void	xhci_count_ports (void *context, const struct xhci_supported_protocol *data)
static bool	xhci_port_exists (const struct device *dev, const struct usb_path *path)
static const struct device *	get_xhci_dev (const struct device *dev)
static const char *	xhci_acpi_name (const struct device *dev)
static void	xhci_generate_port_acpi (void *context, const struct xhci_supported_protocol *data)
static void	xhci_add_devices (const struct device *dev)
static void	xhci_fill_ssdt (const struct device *dev)
static void	xhci_enable (struct device *dev)

Variables
static unsigned int	controller_count
static const struct device_operations	xhci_pci_ops
static const unsigned short	amd_pci_device_ids []
static const struct pci_driver xhci_pci_driver	__pci_driver

Macro Definition Documentation

PCI_XHCI_CLASSCODE

#define PCI_XHCI_CLASSCODE   0x0c0330 /* USB3.0 xHCI controller */

Definition at line 12 of file pci_xhci.c.

Function Documentation

get_xhci_dev()

static const struct device* get_xhci_dev ( const struct device *  dev )

static

Definition at line 73 of file pci_xhci.c.

References device::bus, bus::dev, DEVICE_PATH_ROOT, NULL, device::ops, device::path, device_path::type, and xhci_pci_ops.

Referenced by xhci_acpi_name().

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pci_xhci_get_wake_gpe()

__weak enum cb_err pci_xhci_get_wake_gpe	(	const struct device *	dev,
		int *	gpe
	)

Definition at line 22 of file pci_xhci.c.

References CB_SUCCESS.

Referenced by xhci_fill_ssdt().

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xhci_acpi_name()

static const char* xhci_acpi_name ( const struct device *  dev )

static

Definition at line 85 of file pci_xhci.c.

References ACPI_NAME_BUFFER_SIZE, BIOS_ERR, BIOS_INFO, BIOS_WARNING, dev_path(), DEVICE_PATH_USB, die(), get_xhci_dev(), malloc(), name, device::name, NULL, device::ops, device::path, pattern, usb_path::port_id, usb_path::port_type, printk, snprintf(), device_path::type, device_path::usb, xhci_pci_ops, and xhci_port_exists().

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xhci_add_devices()

static void xhci_add_devices ( const struct device *  dev )

static

Definition at line 174 of file pci_xhci.c.

References acpigen_pop_len(), acpigen_write_device(), acpigen_write_name_integer(), xhci_for_each_supported_usb_cap(), and xhci_generate_port_acpi().

Referenced by xhci_fill_ssdt().

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xhci_count_ports()

static void xhci_count_ports ( void *  context, const struct xhci_supported_protocol *  data  )

static

Definition at line 28 of file pci_xhci.c.

References BIOS_INFO, port_counts::high_speed, xhci_supported_protocol::major_rev, xhci_supported_protocol::port_count, printk, and port_counts::super_speed.

Referenced by xhci_port_exists().

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xhci_enable()

static void xhci_enable ( struct device *  dev )

static

Definition at line 225 of file pci_xhci.c.

References ACPI_NAME_BUFFER_SIZE, BIOS_ERR, controller_count, device::enabled, malloc(), name, device::name, PCI_CLASS_REVISION, pci_read_config32(), PCI_XHCI_CLASSCODE, printk, and snprintf().

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xhci_fill_ssdt()

static void xhci_fill_ssdt ( const struct device *  dev )

static

Definition at line 187 of file pci_xhci.c.

References acpi_device_name(), acpi_device_scope(), ACPI_DEVICE_SLEEP_D0, ACPI_DEVICE_SLEEP_D3_COLD, acpi_device_status(), acpigen_pop_len(), acpigen_write_ADR_pci_device(), acpigen_write_device(), acpigen_write_name_integer(), acpigen_write_name_string(), acpigen_write_PRW(), acpigen_write_scope(), acpigen_write_STA(), BIOS_DEBUG, BIOS_ERR, CB_SUCCESS, dev_path(), name, pci_xhci_get_wake_gpe(), printk, SLP_TYP_S3, and xhci_add_devices().

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xhci_generate_port_acpi()

static void xhci_generate_port_acpi ( void *  context, const struct xhci_supported_protocol *  data  )

static

Definition at line 146 of file pci_xhci.c.

References acpigen_pop_len(), acpigen_write_device(), acpigen_write_name_byte(), BIOS_INFO, buf, port_counts::high_speed, xhci_supported_protocol::major_rev, xhci_supported_protocol::port_count, xhci_supported_protocol::port_offset, printk, snprintf(), port_counts::super_speed, and xhci_print_supported_protocol().

Referenced by xhci_add_devices().

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xhci_port_exists()

static bool xhci_port_exists ( const struct device *  dev, const struct usb_path *  path  )

static

Definition at line 45 of file pci_xhci.c.

References BIOS_INFO, port_counts::high_speed, usb_path::port_id, usb_path::port_type, printk, xhci_count_ports(), and xhci_for_each_supported_usb_cap().

Referenced by xhci_acpi_name().

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Variable Documentation

__pci_driver

const struct pci_driver xhci_pci_driver __pci_driver

static

Initial value:

= {
        .ops = &xhci_pci_ops,
        .vendor = PCI_VID_AMD,
        .devices = amd_pci_device_ids,
}

Definition at line 255 of file pci_xhci.c.

amd_pci_device_ids

const unsigned short amd_pci_device_ids[]

static

Initial value:

= {
        PCI_DID_AMD_FAM17H_MODEL18H_XHCI0,
        PCI_DID_AMD_FAM17H_MODEL18H_XHCI1,
        PCI_DID_AMD_FAM17H_MODEL20H_XHCI0,
        PCI_DID_AMD_FAM17H_MODEL60H_XHCI,
        PCI_DID_AMD_FAM17H_MODELA0H_XHCI0,
        PCI_DID_AMD_FAM17H_MODELA0H_XHCI1,
        PCI_DID_AMD_FAM17H_MODELA0H_XHCI2,
        0
}

Definition at line 255 of file pci_xhci.c.

controller_count

unsigned int controller_count

static

Definition at line 14 of file pci_xhci.c.

Referenced by xhci_enable().

xhci_pci_ops

static const struct device_operations xhci_pci_ops

static

Initial value:

= {
        .read_resources         = pci_dev_read_resources,
        .set_resources          = pci_dev_set_resources,
        .enable_resources       = pci_dev_enable_resources,
        .init                   = pci_dev_init,
        .scan_bus               = scan_static_bus,
        .enable                 = xhci_enable,
        .ops_pci                = &pci_dev_ops_pci,
        .acpi_fill_ssdt         = xhci_fill_ssdt,
        .acpi_name              = xhci_acpi_name,
}

Definition at line 14 of file pci_xhci.c.

Referenced by get_xhci_dev(), and xhci_acpi_name().