d1c0f958d1
Individual drivers check whether the concerned device is enabled before filling in the SSDT. Move the check before calling acpi_fill_ssdt() and remove the check in the individual drivers. BUG=None TEST=util/abuild/abuild Change-Id: Ib042bec7e8c68b38fafa60a8e965d781bddcd1f0 Signed-off-by: Karthikeyan Ramasubramanian <kramasub@google.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/47148 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com> Reviewed-by: Christian Walter <christian.walter@9elements.com>
93 lines
2.3 KiB
C
93 lines
2.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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#include <acpi/acpi.h>
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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/i2c_simple.h>
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#include <device/device.h>
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#include <device/path.h>
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#include "chip.h"
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#define MAX98927_ACPI_NAME "MAXI"
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#define MAX98927_ACPI_HID "MX98927"
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static void max98927_fill_ssdt(const struct device *dev)
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{
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struct drivers_i2c_max98927_config *config = dev->chip_info;
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const char *scope = acpi_device_scope(dev);
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struct acpi_i2c i2c = {
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.address = dev->path.i2c.device,
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.mode_10bit = dev->path.i2c.mode_10bit,
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.speed = config->bus_speed ? : I2C_SPEED_FAST,
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.resource = scope,
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};
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struct acpi_dp *dp;
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if (!scope)
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return;
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/* Device */
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acpigen_write_scope(scope);
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acpigen_write_device(acpi_device_name(dev));
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acpigen_write_name_string("_HID", MAX98927_ACPI_HID);
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acpigen_write_name_integer("_UID", config->uid);
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if (config->desc)
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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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/* Resources */
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acpigen_write_name("_CRS");
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acpigen_write_resourcetemplate_header();
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acpi_device_write_i2c(&i2c);
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acpigen_write_resourcetemplate_footer();
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/* Device Properties */
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dp = acpi_dp_new_table("_DSD");
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acpi_dp_add_integer(dp, "interleave_mode", config->interleave_mode);
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acpi_dp_add_integer(dp, "vmon-slot-no", config->vmon_slot_no);
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acpi_dp_add_integer(dp, "imon-slot-no", config->imon_slot_no);
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acpi_dp_write(dp);
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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 address 0%xh\n", acpi_device_path(dev),
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dev->chip_ops->name, dev->path.i2c.device);
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}
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static const char *max98927_acpi_name(const struct device *dev)
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{
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struct drivers_i2c_max98927_config *config = dev->chip_info;
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if (config->name)
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return config->name;
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return MAX98927_ACPI_NAME;
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}
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static struct device_operations max98927_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 = max98927_acpi_name,
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.acpi_fill_ssdt = max98927_fill_ssdt,
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};
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static void max98927_enable(struct device *dev)
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{
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struct drivers_i2c_max98927_config *config = dev->chip_info;
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dev->ops = &max98927_ops;
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if (config && config->desc) {
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dev->name = config->desc;
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}
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}
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struct chip_operations drivers_i2c_max98927_ops = {
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CHIP_NAME("Maxim MAX98927 Codec")
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.enable_dev = max98927_enable
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};
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