feat: standard vga support (mode switching, framebuffer remapping)

[lunaix-os.git] / lunaix-os / includes / hal / pci.h

diff --git a/lunaix-os/includes/hal/pci.h b/lunaix-os/includes/hal/pci.h
index 2cc45b2a77348affaae369fdda855ce36d568c6a..3131aba50e414f33b101fcc2eedb3aa2fffd0f62 100644 (file)
--- a/lunaix-os/includes/hal/pci.h
+++ b/lunaix-os/includes/hal/pci.h
@@ -1,6 +1,7 @@
 #ifndef __LUNAIX_PCI_H
 #define __LUNAIX_PCI_H
 
+#include <lunaix/device.h>
 #include <lunaix/ds/ldga.h>
 #include <lunaix/ds/llist.h>
 #include <lunaix/types.h>
@@ -15,19 +16,19 @@
 #define PCI_REG_STATUS_CMD 0x4
 #define PCI_REG_BAR(num) (0x10 + (num - 1) * 4)
 
-#define PCI_DEV_VENDOR(x) ((x)&0xffff)
-#define PCI_DEV_DEVID(x) ((x) >> 16)
-#define PCI_INTR_IRQ(x) ((x)&0xff)
-#define PCI_INTR_PIN(x) (((x)&0xff00) >> 8)
+#define PCI_DEV_VENDOR(x) ((x) & 0xffff)
+#define PCI_DEV_DEVID(x) (((x) & 0xffff0000) >> 16)
+#define PCI_INTR_IRQ(x) ((x) & 0xff)
+#define PCI_INTR_PIN(x) (((x) & 0xff00) >> 8)
 #define PCI_DEV_CLASS(x) ((x) >> 8)
-#define PCI_DEV_REV(x) (((x)&0xff))
+#define PCI_DEV_REV(x) (((x) & 0xff))
 #define PCI_BUS_NUM(x) (((x) >> 16) & 0xff)
 #define PCI_SLOT_NUM(x) (((x) >> 11) & 0x1f)
 #define PCI_FUNCT_NUM(x) (((x) >> 8) & 0x7)
 
-#define PCI_BAR_MMIO(x) (!((x)&0x1))
-#define PCI_BAR_CACHEABLE(x) ((x)&0x8)
-#define PCI_BAR_TYPE(x) ((x)&0x6)
+#define PCI_BAR_MMIO(x) (!((x) & 0x1))
+#define PCI_BAR_CACHEABLE(x) ((x) & 0x8)
+#define PCI_BAR_TYPE(x) ((x) & 0x6)
 #define PCI_BAR_ADDR_MM(x) ((x) & ~0xf)
 #define PCI_BAR_ADDR_IO(x) ((x) & ~0x3)
 
@@ -46,8 +47,10 @@
 #define PCI_RCMD_IO_ACCESS 1
 
 #define PCI_ADDRESS(bus, dev, funct)                                           \
-    (((bus)&0xff) << 16) | (((dev)&0xff) << 11) | (((funct)&0xff) << 8) |      \
-      0x80000000
+    (((bus) & 0xff) << 16) | (((dev) & 0xff) << 11) |                          \
+      (((funct) & 0xff) << 8) | 0x80000000
+
+#define PCI_ID_ANY (-1)
 
 typedef unsigned int pci_reg_t;
 
@@ -58,16 +61,6 @@ typedef unsigned int pci_reg_t;
 #define BAR_TYPE_CACHABLE 0x2
 #define PCI_DRV_NAME_LEN 32
 
-#define EXPORT_PCI_DEVICE(name_, class, vendor_id, dev_id, init_fn)            \
-    static struct pci_driver pcidev_##name_ =                                  \
-      (struct pci_driver){ .name = #name_,                                     \
-                           .create_driver = (init_fn),                         \
-                           .dev_info = ((vendor_id) << 16) | (dev_id),         \
-                           .dev_class = (class) };                             \
-    export_ldga_el(pci_dev_drivers, name_, ptr_t, &pcidev_##name_)
-
-struct pci_driver;
-
 struct pci_base_addr
 {
     u32_t start;
@@ -77,39 +70,30 @@ struct pci_base_addr
 
 struct pci_device
 {
+    struct device dev;
     struct llist_header dev_chain;
     u32_t device_info;
     u32_t class_info;
     u32_t cspace_base;
     u32_t msi_loc;
     u16_t intr_info;
-    struct
-    {
-        struct pci_driver* type;
-        void* instance;
-    } driver;
     struct pci_base_addr bar[6];
 };
+#define PCI_DEVICE(devbase) (container_of((devbase), struct pci_device, dev))
 
 typedef void* (*pci_drv_init)(struct pci_device*);
 
-struct pci_driver
+#define PCI_DEVIDENT(vendor, id)                                               \
+    ((((id) & 0xffff) << 16) | (((vendor) & 0xffff)))
+
+struct pci_device_def
 {
-    struct llist_header drivers;
-    u32_t dev_info;
     u32_t dev_class;
-    pci_drv_init create_driver;
-    char name[PCI_DRV_NAME_LEN];
+    u32_t dev_ident;
+    u32_t ident_mask;
+    struct device_def devdef;
 };
 
-/**
- * @brief 初始化PCI。这主要是通过扫描PCI总线进行拓扑重建。注意，该
- * 初始化不包括针对每个设备的初始化，因为那是设备驱动的事情。
- *
- */
-void
-pci_load_devices();
-
 /**
  * @brief 根据类型代码（Class Code）去在拓扑中寻找一个设备
  * 类型代码请参阅： PCI LB Spec. Appendix D.