[people/ms/u-boot.git] / include / pci_rom.h

/*
 * From coreboot file of same name
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef _PCI_ROM_H
#define _PCI_ROM_H

#define PCI_ROM_HDR			0xaa55

struct pci_rom_header {
	uint16_t signature;
	uint8_t size;
	uint8_t init[3];
	uint8_t reserved[0x12];
	uint16_t data;
};

struct pci_rom_data {
	uint32_t signature;
	uint16_t vendor;
	uint16_t device;
	uint16_t reserved_1;
	uint16_t dlen;
	uint8_t drevision;
	uint8_t class_lo;
	uint16_t class_hi;
	uint16_t ilen;
	uint16_t irevision;
	uint8_t type;
	uint8_t indicator;
	uint16_t reserved_2;
};

 /**
 * pci_run_vga_bios() - Run the VGA BIOS in an x86 PC
 *
 * @dev:	Video device containing the BIOS
 * @int15_handler:	Function to call to handle int 0x15
 * @emulate:	true to use the x86 emulator, false to run native
 */
int pci_run_vga_bios(pci_dev_t dev, int (*int15_handler)(void), bool emulate);

/**
 * board_map_oprom_vendev() - map several PCI IDs to the one the ROM expects
 *
 * Some VGA option roms are used for several chipsets but they only have one
 * PCI ID in their header. If we encounter such an option rom, we need to do
 * the mapping ourselves.
 *
 * @vendev:	Vendor and device for the video device
 * @return standard vendor and device expected by the ROM
 */
uint32_t board_map_oprom_vendev(uint32_t vendev);

#endif
Commit	Line	Data
6854f87c SG	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
6854f87c SG	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