Squash commits for public release

kernel/include/drivers/bits/device.h

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