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/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
#ifndef __DRIVERS_GFX_GENERIC_CHIP_H__
#define __DRIVERS_GFX_GENERIC_CHIP_H__
#include <arch/acpi_device.h>
/* Config for electronic privacy screen */
struct drivers_gfx_generic_privacy_screen_config {
/* Is privacy screen available on this graphics device */
int enabled;
/* ACPI namespace path to privacy screen detection function */
const char *detect_function;
/* ACPI namespace path to privacy screen status function */
const char *status_function;
/* ACPI namespace path to privacy screen enable function */
const char *enable_function;
/* ACPI namespace path to privacy screen disable function */
const char *disable_function;
/*
* GPIO used for controlling the privacy screen. If provided,
* the gpio mechanism takes preference over the functions ptrs
* above, if any (GPIO functions override the function ptrs).
*/
struct acpi_gpio gpio;
};
/* Config for an output device as defined in section A.5 of the ACPI spec */
struct drivers_gfx_generic_device_config {
/* ACPI device name of the output device */
const char *name;
/* The address of the output device. See section A.3.2 */
unsigned int addr;
/* Electronic privacy screen specific config */
struct drivers_gfx_generic_privacy_screen_config privacy;
};
/* Config for an ACPI video device defined in Appendix A of the ACPI spec */
struct drivers_gfx_generic_config {
/*
* ACPI device name of the graphics card, "GFX0" will be used if name is
* not set
*/
const char *name;
/* The number of output devices defined */
int device_count;
/* Config for output devices */
struct drivers_gfx_generic_device_config device[5];
};
extern struct device *find_gfx_dev(void);
#endif /* __DRIVERS_GFX_GENERIC_CHIP_H__ */
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