diff options
Diffstat (limited to 'src/drivers/generic/gfx/gfx.c')
-rw-r--r-- | src/drivers/generic/gfx/gfx.c | 129 |
1 files changed, 0 insertions, 129 deletions
diff --git a/src/drivers/generic/gfx/gfx.c b/src/drivers/generic/gfx/gfx.c deleted file mode 100644 index 0386e9b2ef..0000000000 --- a/src/drivers/generic/gfx/gfx.c +++ /dev/null @@ -1,129 +0,0 @@ -/* - * 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. - */ - -#include <arch/acpigen.h> -#include <console/console.h> -#include <device/device.h> -#include <device/pci.h> -#include <device/pci_ids.h> -#include <stdint.h> - -#include "chip.h" - -#define ACPI_DSM_PRIVACY_SCREEN_UUID "C7033113-8720-4CEB-9090-9D52B3E52D73" - -static void privacy_screen_detect_cb(void *arg) -{ - struct drivers_generic_gfx_privacy_screen_config *config = arg; - - acpigen_write_store(); - acpigen_emit_namestring(config->detect_function); - acpigen_emit_byte(LOCAL2_OP); - acpigen_write_if_lequal_op_int(LOCAL2_OP, 1); - acpigen_write_return_singleton_buffer(0xF); - acpigen_pop_len(); -} -static void privacy_screen_get_status_cb(void *arg) -{ - struct drivers_generic_gfx_privacy_screen_config *config = arg; - - acpigen_emit_byte(RETURN_OP); - acpigen_emit_namestring(config->status_function); -} -static void privacy_screen_enable_cb(void *arg) -{ - struct drivers_generic_gfx_privacy_screen_config *config = arg; - - acpigen_emit_namestring(config->enable_function); -} -static void privacy_screen_disable_cb(void *arg) -{ - struct drivers_generic_gfx_privacy_screen_config *config = arg; - - acpigen_emit_namestring(config->disable_function); -} - -static void (*privacy_screen_callbacks[])(void *) = { - privacy_screen_detect_cb, - privacy_screen_get_status_cb, - privacy_screen_enable_cb, - privacy_screen_disable_cb, -}; - -static void gfx_fill_ssdt_generator(struct device *dev) -{ - size_t i; - struct drivers_generic_gfx_config *config = dev->chip_info; - - const char *scope = acpi_device_scope(dev); - - if (!scope) - return; - - acpigen_write_scope(scope); - - /* Method (_DOD, 0) */ - acpigen_write_method("_DOD", 0); - acpigen_emit_byte(RETURN_OP); - acpigen_write_package(config->device_count); - for (i = 0; i < config->device_count; i++) - acpigen_write_dword(config->device[i].addr); - acpigen_pop_len(); /* End Package. */ - acpigen_pop_len(); /* End Method. */ - - for (i = 0; i < config->device_count; i++) { - acpigen_write_device(config->device[i].name); - - acpigen_write_name_integer("_ADR", config->device[i].addr); - acpigen_write_name_integer("_STA", 0xF); - - if (config->device[i].privacy.enabled) { - acpigen_write_dsm(ACPI_DSM_PRIVACY_SCREEN_UUID, - privacy_screen_callbacks, - ARRAY_SIZE(privacy_screen_callbacks), - &config->device[i].privacy); - } - - acpigen_pop_len(); /* Device */ - } - acpigen_pop_len(); /* Scope */ -} - -static const char *gfx_acpi_name(const struct device *dev) -{ - struct drivers_generic_gfx_config *config = dev->chip_info; - - return config->name ? : "GFX0"; -} - -static struct device_operations gfx_ops = { - .acpi_name = gfx_acpi_name, - .acpi_fill_ssdt_generator = gfx_fill_ssdt_generator, -}; - -static void gfx_enable(struct device *dev) -{ - struct drivers_generic_gfx_config *config = dev->chip_info; - - if (!config) - return; - - dev->ops = &gfx_ops; -} - -struct chip_operations drivers_generic_gfx_ops = { - CHIP_NAME("Graphics Device") - .enable_dev = gfx_enable -}; |