68 lines
1.4 KiB
C
68 lines
1.4 KiB
C
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#ifndef _KERNEL_DRIVERS_BITS_DEVICE_H
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#define _KERNEL_DRIVERS_BITS_DEVICE_H
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#include <libkern/lock.h>
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#include <libkern/types.h>
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enum DEVICES_TYPE {
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DEVICE_STORAGE = (1 << 0),
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DEVICE_SOUND = (1 << 1),
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DEVICE_INPUT_SYSTEMS = (1 << 2),
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DEVICE_NETWORK = (1 << 3),
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DEVICE_DISPLAY = (1 << 4),
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DEVICE_BUS_CONTROLLER = (1 << 5),
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DEVICE_BRIDGE = (1 << 6),
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DEVICE_CHAR = (1 << 7),
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DEVICE_RTC = (1 << 8),
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DEVICE_UNKNOWN = (1 << 9),
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};
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enum DEVICE_DESC_TYPE {
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DEVICE_DESC_PCI,
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DEVICE_DESC_DEVTREE,
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};
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struct device_desc_pci {
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uint8_t bus;
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uint8_t device;
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uint8_t function;
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uint16_t vendor_id;
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uint16_t device_id;
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uint8_t class_id;
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uint8_t subclass_id;
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uint8_t interface_id;
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uint8_t revision_id;
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uint32_t interrupt;
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uint32_t port_base;
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};
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typedef struct device_desc_pci device_desc_pci_t;
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struct devtree_entry;
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struct device_desc_devtree {
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struct devtree_entry* entry;
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};
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typedef struct device_desc_devtree device_desc_devtree_t;
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struct device_desc {
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int type;
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union {
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device_desc_pci_t pci;
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device_desc_devtree_t devtree;
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};
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uint32_t args[4];
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};
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typedef struct device_desc device_desc_t;
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#define DRIVER_ID_EMPTY (0xff)
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struct device {
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int id;
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int type;
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bool is_virtual;
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int driver_id;
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spinlock_t lock;
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device_desc_t device_desc;
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};
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typedef struct device device_t;
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#endif // _KERNEL_DRIVERS_BITS_DEVICE_H
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