diff options
| author | Marvin Borner | 2021-05-20 20:41:24 +0200 |
|---|---|---|
| committer | Marvin Borner | 2021-05-20 20:41:24 +0200 |
| commit | 298aaf63f15350e6248d5a96e8c6a63b0ec93e0f (patch) | |
| tree | 952331f841b4d02d0b7189da716648df5cdb4d8e /kernel/inc/pci.h | |
| parent | b22346a9b830b642e684e13cf4946d8ef8d8e1ca (diff) | |
Major restructuring
Diffstat (limited to 'kernel/inc/pci.h')
| -rw-r--r-- | kernel/inc/pci.h | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/kernel/inc/pci.h b/kernel/inc/pci.h deleted file mode 100644 index 9429f29..0000000 --- a/kernel/inc/pci.h +++ /dev/null @@ -1,102 +0,0 @@ -// MIT License, Copyright (c) 2020 Marvin Borner - -#ifndef PCI_H -#define PCI_H - -#include <def.h> - -#define PCI_VENDOR_ID 0x00 // 2 -#define PCI_DEVICE_ID 0x02 // 2 -#define PCI_COMMAND 0x04 // 2 -#define PCI_STATUS 0x06 // 2 -#define PCI_REVISION_ID 0x08 // 1 - -#define PCI_PROG_IF 0x09 // 1 -#define PCI_SUBCLASS 0x0a // 1 -#define PCI_CLASS 0x0b // 1 -#define PCI_CACHE_LINE_SIZE 0x0c // 1 -#define PCI_LATENCY_TIMER 0x0d // 1 -#define PCI_HEADER_TYPE 0x0e // 1 -#define PCI_BIST 0x0f // 1 -#define PCI_BAR0 0x10 // 4 -#define PCI_BAR1 0x14 // 4 -#define PCI_BAR2 0x18 // 4 -#define PCI_BAR3 0x1C // 4 -#define PCI_BAR4 0x20 // 4 -#define PCI_BAR5 0x24 // 4 - -#define PCI_INTERRUPT_LINE 0x3C // 1 - -#define PCI_SECONDARY_BUS 0x19 // 1 - -#define PCI_HEADER_TYPE_DEVICE 0 -#define PCI_HEADER_TYPE_BRIDGE 1 -#define PCI_HEADER_TYPE_CARDBUS 2 - -#define PCI_TYPE_BRIDGE 0x0604 -#define PCI_TYPE_SATA 0x0106 - -#define PCI_ADDRESS_PORT 0xCF8 -#define PCI_VALUE_PORT 0xCFC - -#define PCI_NONE 0xFFFF - -typedef void (*pci_func_t)(u32 device, u16 vendor_id, u16 device_id, void *extra); - -struct pci_device_descriptor { - u32 port_base; - u32 interrupt; - - u8 bus; - u8 slot; - u8 func; - - u16 vendor_id; - u16 device_id; - - u8 class_id; - u8 subclass_id; - u8 interface_id; - - u8 revision; -}; - -static inline u8 pci_extract_bus(u32 device) -{ - return (u8)((device >> 16)); -} - -static inline u8 pci_extract_slot(u32 device) -{ - return (u8)((device >> 8)); -} - -static inline u8 pci_extract_func(u32 device) -{ - return (u8)(device); -} - -static inline u32 pci_get_addr(u32 device, int field) -{ - return 0x80000000 | (u32)(pci_extract_bus(device) << 16) | - (u32)(pci_extract_slot(device) << 11) | (u32)(pci_extract_func(device) << 8) | - ((field)&0xFC); -} - -static inline u32 pci_box_device(int bus, int slot, int func) -{ - return (u32)((bus << 16) | (slot << 8) | func); -} - -u32 pci_read_field(u32 device, int field, int size); -void pci_write_field(u32 device, int field, u32 value); -u16 pci_find_type(u32 dev); -void pci_scan_hit(pci_func_t f, u32 dev, void *extra) NONNULL; -void pci_scan_func(pci_func_t f, int type, int bus, int slot, int func, void *extra) NONNULL; -void pci_scan_slot(pci_func_t f, int type, int bus, int slot, void *extra) NONNULL; -void pci_scan_bus(pci_func_t f, int type, int bus, void *extra) NONNULL; -void pci_scan(pci_func_t f, int type, void *extra) NONNULL; -int pci_get_interrupt(u32 device); -void pci_install(void); - -#endif |