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Diffstat (limited to 'src/drivers/generic/gfx/chip.h')
| -rw-r--r-- | src/drivers/generic/gfx/chip.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/drivers/generic/gfx/chip.h b/src/drivers/generic/gfx/chip.h new file mode 100644 index 0000000000..ee5bd1ff88 --- /dev/null +++ b/src/drivers/generic/gfx/chip.h @@ -0,0 +1,56 @@ +/* + * This file is part of the coreboot project. + * + * Copyright 2019 Google LLC + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __DRIVERS_GENERIC_GFX_CHIP_H__ +#define __DRIVERS_GENERIC_GFX_CHIP_H__ + +/* Config for electronic privacy screen */ +struct drivers_generic_gfx_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; +}; + +/* Config for an output device as defined in section A.5 of the ACPI spec */ +struct drivers_generic_gfx_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_generic_gfx_privacy_screen_config privacy; +}; + +/* Config for an ACPI video device defined in Appendix A of the ACPI spec */ +struct drivers_generic_gfx_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_generic_gfx_device_config device[5]; +}; + +#endif /* __DRIVERS_GENERIC_GFX_CHIP_H__ */ |