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#ifndef __ASM_ARM_DEVICE_H
#define __ASM_ARM_DEVICE_H
enum device_type
{
DEV_DT,
DEV_PCI,
};
struct dev_archdata {
void *iommu; /* IOMMU private data */
};
/* struct device - The basic device structure */
struct device
{
enum device_type type;
#ifdef CONFIG_HAS_DEVICE_TREE
struct dt_device_node *of_node; /* Used by drivers imported from Linux */
#endif
struct dev_archdata archdata;
struct iommu_fwspec *iommu_fwspec; /* per-device IOMMU instance data */
};
typedef struct device device_t;
#include <xen/device_tree.h>
#define dev_is_pci(dev) ((dev)->type == DEV_PCI)
#define dev_is_dt(dev) ((dev)->type == DEV_DT)
enum device_class
{
DEVICE_SERIAL,
DEVICE_IOMMU,
DEVICE_GIC,
DEVICE_PCI_HOSTBRIDGE,
/* Use for error */
DEVICE_UNKNOWN,
};
struct device_desc {
/* Device name */
const char *name;
/* Device class */
enum device_class class;
/* List of devices supported by this driver */
const struct dt_device_match *dt_match;
/*
* Device initialization.
*
* -EAGAIN is used to indicate that device probing is deferred.
*/
int (*init)(struct dt_device_node *dev, const void *data);
};
struct acpi_device_desc {
/* Device name */
const char *name;
/* Device class */
enum device_class class;
/* type of device supported by the driver */
const int class_type;
/* Device initialization */
int (*init)(const void *data);
};
/**
* acpi_device_init - Initialize a device
* @class: class of the device (serial, network...)
* @data: specific data for initializing the device
*
* Return 0 on success.
*/
int acpi_device_init(enum device_class class,
const void *data, int class_type);
/**
* device_init - Initialize a device
* @dev: device to initialize
* @class: class of the device (serial, network...)
* @data: specific data for initializing the device
*
* Return 0 on success.
*/
int device_init(struct dt_device_node *dev, enum device_class class,
const void *data);
/**
* device_get_type - Get the type of the device
* @dev: device to match
*
* Return the device type on success or DEVICE_ANY on failure
*/
enum device_class device_get_class(const struct dt_device_node *dev);
#define DT_DEVICE_START(_name, _namestr, _class) \
static const struct device_desc __dev_desc_##_name __used \
__section(".dev.info") = { \
.name = _namestr, \
.class = _class, \
#define DT_DEVICE_END \
};
#define ACPI_DEVICE_START(_name, _namestr, _class) \
static const struct acpi_device_desc __dev_desc_##_name __used \
__section(".adev.info") = { \
.name = _namestr, \
.class = _class, \
#define ACPI_DEVICE_END \
};
#endif /* __ASM_ARM_DEVICE_H */
/*
* Local variables:
* mode: C
* c-file-style: "BSD"
* c-basic-offset: 4
* indent-tabs-mode: nil
* End:
*/
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