adb176b81a
Upstream Kernel side codec driver expect DT properties to have 'maxim' prefix. Update accordingly while filling SSDT entries. BUG=b:79362472 TEST=dump DT properties in kerenl side and cross checked TEST=Audio playback works with this change Change-Id: Iaa4b14492dbb5a0087242f1485493f3192336f60 Signed-off-by: Sathyanarayana Nujella <sathyanarayana.nujella@intel.com> Reviewed-on: https://review.coreboot.org/26532 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Furquan Shaikh <furquan@google.com>
106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright 2017 Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <arch/acpi.h>
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#include <arch/acpi_device.h>
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#include <arch/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 <stdint.h>
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#include <string.h>
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#include "chip.h"
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#define MAX98373_ACPI_NAME "MAXI"
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#define MAX98373_ACPI_HID "MX98373"
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static void max98373_fill_ssdt(struct device *dev)
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{
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struct drivers_i2c_max98373_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_STANDARD,
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.resource = scope,
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};
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struct acpi_dp *dp;
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if (!dev->enabled || !scope) {
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printk(BIOS_ERR, "%s: dev not enabled", __func__);
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return;
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}
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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", MAX98373_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_STATUS_DEVICE_ALL_ON);
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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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if (config->interleave_mode)
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acpi_dp_add_integer(dp, "maxim,interleave_mode",
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config->interleave_mode);
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acpi_dp_add_integer(dp, "maxim,vmon-slot-no", config->vmon_slot_no);
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acpi_dp_add_integer(dp, "maxim,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 *max98373_acpi_name(const struct device *dev)
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{
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struct drivers_i2c_max98373_config *config = dev->chip_info;
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if (config->name)
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return config->name;
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return MAX98373_ACPI_NAME;
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}
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static struct device_operations max98373_ops = {
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.read_resources = DEVICE_NOOP,
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.set_resources = DEVICE_NOOP,
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.enable_resources = DEVICE_NOOP,
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.acpi_name = &max98373_acpi_name,
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.acpi_fill_ssdt_generator = &max98373_fill_ssdt,
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};
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static void max98373_enable(struct device *dev)
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{
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dev->ops = &max98373_ops;
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}
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struct chip_operations drivers_i2c_max98373_ops = {
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CHIP_NAME("Maxim MAX98373 Codec")
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.enable_dev = &max98373_enable
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};
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