mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-30 15:03:18 +00:00
185f812c41
Sphinx expects Return: and not @return to indicate a return value.
find . -name '*.c' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
find . -name '*.h' -exec \
sed -i 's/^\(\s\)\*\(\s*\)@return\(\s\)/\1*\2Return:\3/' {} \;
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
67 lines
1.5 KiB
C
67 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
|
|
/*
|
|
* From coreboot file of same name
|
|
*/
|
|
|
|
#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;
|
|
};
|
|
|
|
/*
|
|
* Determines which execution method is used and whether we allow falling back
|
|
* to the other if the requested method is not available.
|
|
*/
|
|
enum pci_rom_emul {
|
|
PCI_ROM_EMULATE = 0 << 0,
|
|
PCI_ROM_USE_NATIVE = 1 << 0,
|
|
PCI_ROM_ALLOW_FALLBACK = 1 << 1,
|
|
};
|
|
|
|
/**
|
|
* dm_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
|
|
* @exec_method: flags from enum pci_rom_emul
|
|
*/
|
|
int dm_pci_run_vga_bios(struct udevice *dev, int (*int15_handler)(void),
|
|
int exec_method);
|
|
|
|
/**
|
|
* 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
|