X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/a8b800d1691263aa73054449b1721c1ec9516496..0f73e6cc9945f9b4a074bb62b9708d1751fa3723:/lunaix-os/includes/hal/pci.h diff --git a/lunaix-os/includes/hal/pci.h b/lunaix-os/includes/hal/pci.h index 8c18997..e5bbd45 100644 --- a/lunaix-os/includes/hal/pci.h +++ b/lunaix-os/includes/hal/pci.h @@ -53,13 +53,18 @@ #define PCI_RCMD_MM_ACCESS (1 << 1) #define PCI_RCMD_IO_ACCESS 1 -#define PCI_ADDRESS(bus, dev, funct) \ - (((bus) & 0xff) << 16) | (((dev) & 0xff) << 11) | \ - (((funct) & 0xff) << 8) | 0x80000000 +#define PCI_CFGADDR(pciloc) ((u32_t)(pciloc) << 8) | 0x80000000UL + +#define PCILOC(bus, dev, funct) \ + (((bus) & 0xff) << 8) | (((dev) & 0x1f) << 3) | ((funct) & 0x7) +#define PCILOC_BUS(loc) (((loc) >> 8) & 0xff) +#define PCILOC_DEV(loc) (((loc) >> 3) & 0x1f) +#define PCILOC_FN(loc) ((loc) & 0x7) #define PCI_ID_ANY (-1) typedef unsigned int pci_reg_t; +typedef u16_t pciaddr_t; // PCI device header format // Ref: "PCI Local Bus Specification, Rev.3, Section 6.1" @@ -79,11 +84,20 @@ struct pci_device { struct device dev; struct llist_header dev_chain; + struct hlist_node dev_cache; + + struct + { + struct device* dev; + struct device_def* def; + } binding; + + pciaddr_t loc; + u16_t intr_info; u32_t device_info; u32_t class_info; u32_t cspace_base; u32_t msi_loc; - u16_t intr_info; struct pci_base_addr bar[6]; }; #define PCI_DEVICE(devbase) (container_of((devbase), struct pci_device, dev)) @@ -132,15 +146,14 @@ pci_get_device_by_id(u16_t vendorId, u16_t deviceId); size_t pci_bar_sizing(struct pci_device* dev, u32_t* bar_out, u32_t bar_num); +/** + * @brief Bind an abstract device instance to the pci device + * + * @param pcidev pci device + * @param devobj abstract device instance + */ void -pci_add_driver(const char* name, - u32_t class, - u32_t vendor, - u32_t devid, - pci_drv_init init); - -int -pci_bind_driver(struct pci_device* pci_dev); +pci_bind_instance(struct pci_device* pcidev, void* devobj); void pci_probe_bar_info(struct pci_device* device);