1 /* 2 * From coreboot file of same name 3 * 4 * SPDX-License-Identifier: GPL-2.0+ 5 */ 6 7 #ifndef _PCI_ROM_H 8 #define _PCI_ROM_H 9 10 #define PCI_ROM_HDR 0xaa55 11 12 struct pci_rom_header { 13 uint16_t signature; 14 uint8_t size; 15 uint8_t init[3]; 16 uint8_t reserved[0x12]; 17 uint16_t data; 18 }; 19 20 struct pci_rom_data { 21 uint32_t signature; 22 uint16_t vendor; 23 uint16_t device; 24 uint16_t reserved_1; 25 uint16_t dlen; 26 uint8_t drevision; 27 uint8_t class_lo; 28 uint16_t class_hi; 29 uint16_t ilen; 30 uint16_t irevision; 31 uint8_t type; 32 uint8_t indicator; 33 uint16_t reserved_2; 34 }; 35 36 /** 37 * pci_run_vga_bios() - Run the VGA BIOS in an x86 PC 38 * 39 * @dev: Video device containing the BIOS 40 * @int15_handler: Function to call to handle int 0x15 41 * @emulate: true to use the x86 emulator, false to run native 42 */ 43 int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate); 44 45 /** 46 * board_map_oprom_vendev() - map several PCI IDs to the one the ROM expects 47 * 48 * Some VGA option roms are used for several chipsets but they only have one 49 * PCI ID in their header. If we encounter such an option rom, we need to do 50 * the mapping ourselves. 51 * 52 * @vendev: Vendor and device for the video device 53 * @return standard vendor and device expected by the ROM 54 */ 55 uint32_t board_map_oprom_vendev(uint32_t vendev); 56 57 #endif 58