drivers/generic/generic: Drop dead code
Nothing selects this driver. Drop it before it grows moss. Change-Id: I7f06ea45f90d502053c52ea0b7cd7aa6d52295c0 Signed-off-by: Angel Pons <th3fanbus@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/43266 Reviewed-by: Michael Niewöhner Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
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config DRIVERS_GENERIC_GENERIC
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bool
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depends on HAVE_ACPI_TABLES
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ramstage-$(CONFIG_DRIVERS_GENERIC_GENERIC) += generic.c
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/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef __GENERIC_GENERIC_CHIP_H__
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#define __GENERIC_GENERIC_CHIP_H__
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#if CONFIG(HAVE_ACPI_TABLES)
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#include <acpi/acpi_device.h>
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#define MAX_GENERIC_PROPERTY_LIST 10
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struct drivers_generic_generic_config {
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const char *hid; /* ACPI _HID (required) */
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const char *cid; /* ACPI _CID */
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const char *name; /* ACPI Device Name */
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/*
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* Autogenerated ACPI Device Name if name is not provided in
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* devicetree.
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*/
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char autogen_name[5];
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const char *desc; /* ACPI _DDN */
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unsigned int uid; /* ACPI _UID */
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/* Generic properties for exporting device-specific data to the OS */
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struct acpi_dp property_list[MAX_GENERIC_PROPERTY_LIST];
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int property_count;
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};
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#else /* CONFIG_HAVE_ACPI_TABLES */
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struct drivers_generic_generic_config { };
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#endif /* !CONFIG_HAVE_ACPI_TABLES */
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#endif /* __GENERIC_GENERIC_CHIP_H__ */
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/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi_device.h>
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#include <acpi/acpigen.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <device/path.h>
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#include <string.h>
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#include "chip.h"
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static void generic_dev_fill_ssdt_generator(const struct device *dev)
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{
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struct acpi_dp *dsd;
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struct drivers_generic_generic_config *config = dev->chip_info;
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if (!dev->enabled || !config)
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return;
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if (!config->hid) {
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printk(BIOS_ERR, "%s: ERROR: _HID required\n", dev_path(dev));
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return;
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}
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acpigen_write_scope(acpi_device_scope(dev));
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acpigen_write_device(acpi_device_name(dev));
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acpigen_write_name_string("_HID", config->hid);
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if (config->cid)
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acpigen_write_name_string("_CID", config->cid);
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acpigen_write_name_integer("_UID", config->uid);
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acpigen_write_name_string("_DDN", config->desc);
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acpigen_write_STA(acpi_device_status(dev));
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dsd = acpi_dp_new_table("_DSD");
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acpi_dp_add_property_list(dsd, config->property_list,
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config->property_count);
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acpi_dp_write(dsd);
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acpigen_pop_len(); /* Device */
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acpigen_pop_len(); /* Scope */
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printk(BIOS_INFO, "%s: %s at %s\n", acpi_device_path(dev),
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config->desc ? : dev->chip_ops->name, dev_path(dev));
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}
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static char *generic_autogen_name(struct drivers_generic_generic_config *config)
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{
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char *name = &config->autogen_name[0];
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static unsigned int id;
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if (name[0] != '\0')
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return name;
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snprintf(name, sizeof(name), "G%03.3X", id++);
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name[4] = '\0';
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return name;
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}
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static const char *generic_dev_acpi_name(const struct device *dev)
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{
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struct drivers_generic_generic_config *config = dev->chip_info;
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if (config->name)
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return config->name;
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return generic_autogen_name(config);
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}
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static struct device_operations generic_dev_ops = {
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.read_resources = noop_read_resources,
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.set_resources = noop_set_resources,
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.acpi_name = generic_dev_acpi_name,
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.acpi_fill_ssdt = generic_dev_fill_ssdt_generator,
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};
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static void generic_dev_enable(struct device *dev)
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{
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dev->ops = &generic_dev_ops;
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}
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struct chip_operations drivers_generic_generic_ops = {
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CHIP_NAME("Generic Device")
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.enable_dev = generic_dev_enable
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};
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