CloverBootloader/rEFIt_UEFI/include/Pci.h
SergeySlice 198a8e3d9b c++20 compatibility
Signed-off-by: SergeySlice <sergey.slice@gmail.com>
2021-10-03 20:33:03 +03:00

72 lines
1.6 KiB
C

/*
* Pci.h
*
* Created on: 16 Apr 2020
* Author: jief
*/
#ifndef INCLUDE_PCI_H_
#define INCLUDE_PCI_H_
#include <stdint.h>
#include "../cpp_foundation/XBool.h"
/* PCI */
#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
#define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */
#define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */
#define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */
#define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */
#define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */
#define PCI_CLASS_MEDIA_HDA 0x03
#define PCIADDR(bus, dev, func) ((1 << 31) | ((bus) << 16) | ((dev) << 11) | ((func) << 8))
typedef struct {
uint32_t :2;
uint32_t reg :6;
uint32_t func:3;
uint32_t dev :5;
uint32_t bus :8;
uint32_t :7;
uint32_t eb :1;
} pci_addr_t;
typedef union pci_dev_t {
uint32_t addr = 0;
pci_addr_t bits;
} pci_dev_t;
typedef struct pci_dt_t {
// EFI_PCI_IO_PROTOCOL *PciIo;
// PCI_TYPE00 Pci;
EFI_HANDLE DeviceHandle = NULL;
UINT8* regs = NULL;
pci_dev_t dev = pci_dev_t();
UINT16 vendor_id = 0;
UINT16 device_id = 0;
union {
struct {
UINT16 vendor_id;
UINT16 device_id;
} subsys;
UINT32 subsys_id;
} subsys_id_union = { {0, 0} };
UINT8 revision = 0;
UINT8 subclass = 0;
UINT16 class_id = 0;
struct pci_dt_t *parent = NULL;
struct pci_dt_t *children = NULL;
struct pci_dt_t *next = NULL;
XBool used = false;
} pci_dt_t;
#endif /* INCLUDE_PCI_H_ */