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/*
* This file is part of the coreboot project.
*
* Copyright 2016 Google Inc.
*
* 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/acpi.h>
#include <arch/acpi_device.h>
#include <arch/acpigen.h>
#include <console/console.h>
#include <device/i2c_simple.h>
#include <device/device.h>
#include <device/path.h>
#include <stdint.h>
#include <string.h>
#include "chip.h"
#if CONFIG(HAVE_ACPI_TABLES)
#define DA7219_ACPI_NAME "DLG7"
#define DA7219_ACPI_HID "DLGS7219"
static void da7219_fill_ssdt(struct device *dev)
{
struct drivers_i2c_da7219_config *config = dev->chip_info;
const char *scope = acpi_device_scope(dev);
struct acpi_i2c i2c = {
.address = dev->path.i2c.device,
.mode_10bit = dev->path.i2c.mode_10bit,
.speed = config->bus_speed ? : I2C_SPEED_FAST,
.resource = scope,
};
struct acpi_dp *dsd, *aad;
if (!dev->enabled || !scope)
return;
/* Device */
acpigen_write_scope(scope);
acpigen_write_device(acpi_device_name(dev));
acpigen_write_name_string("_HID", DA7219_ACPI_HID);
acpigen_write_name_integer("_UID", 1);
acpigen_write_name_string("_DDN", dev->chip_ops->name);
acpigen_write_name_integer("_S0W", 4);
acpigen_write_STA(acpi_device_status(dev));
/* Resources */
acpigen_write_name("_CRS");
acpigen_write_resourcetemplate_header();
acpi_device_write_i2c(&i2c);
/* Use either Interrupt() or GpioInt() */
if (config->irq_gpio.pin_count)
acpi_device_write_gpio(&config->irq_gpio);
else
acpi_device_write_interrupt(&config->irq);
acpigen_write_resourcetemplate_footer();
/* AAD Child Device Properties */
aad = acpi_dp_new_table("DAAD");
acpi_dp_add_integer(aad, "dlg,btn-cfg", config->btn_cfg);
acpi_dp_add_integer(aad, "dlg,mic-det-thr", config->mic_det_thr);
acpi_dp_add_integer(aad, "dlg,jack-ins-deb", config->jack_ins_deb);
acpi_dp_add_string(aad, "dlg,jack-det-rate", config->jack_det_rate);
acpi_dp_add_integer(aad, "dlg,jack-rem-deb", config->jack_rem_deb);
acpi_dp_add_integer(aad, "dlg,a-d-btn-thr", config->a_d_btn_thr);
acpi_dp_add_integer(aad, "dlg,d-b-btn-thr", config->d_b_btn_thr);
acpi_dp_add_integer(aad, "dlg,b-c-btn-thr", config->b_c_btn_thr);
acpi_dp_add_integer(aad, "dlg,c-mic-btn-thr", config->c_mic_btn_thr);
acpi_dp_add_integer(aad, "dlg,btn-avg", config->btn_avg);
acpi_dp_add_integer(aad, "dlg,adc-1bit-rpt", config->adc_1bit_rpt);
if (config->micbias_pulse_lvl > 0) {
acpi_dp_add_integer(aad, "dlg,micbias-pulse-lvl",
config->micbias_pulse_lvl);
acpi_dp_add_integer(aad, "dlg,micbias-pulse-time",
config->micbias_pulse_time);
}
/* DA7219 Properties */
dsd = acpi_dp_new_table("_DSD");
acpi_dp_add_integer(dsd, "dlg,micbias-lvl", config->micbias_lvl);
acpi_dp_add_string(dsd, "dlg,mic-amp-in-sel", config->mic_amp_in_sel);
if (config->mclk_name != NULL)
acpi_dp_add_string(dsd, "dlg,mclk-name", config->mclk_name);
acpi_dp_add_child(dsd, "da7219_aad", aad);
/* Write Device Property Hierarchy */
acpi_dp_write(dsd);
acpigen_pop_len(); /* Device */
acpigen_pop_len(); /* Scope */
printk(BIOS_INFO, "%s: %s address 0%xh irq %d\n",
acpi_device_path(dev), dev->chip_ops->name,
dev->path.i2c.device, config->irq.pin);
}
static const char *da7219_acpi_name(const struct device *dev)
{
return DA7219_ACPI_NAME;
}
#endif
static struct device_operations da7219_ops = {
.read_resources = DEVICE_NOOP,
.set_resources = DEVICE_NOOP,
.enable_resources = DEVICE_NOOP,
#if CONFIG(HAVE_ACPI_TABLES)
.acpi_name = da7219_acpi_name,
.acpi_fill_ssdt_generator = da7219_fill_ssdt,
#endif
};
static void da7219_enable(struct device *dev)
{
dev->ops = &da7219_ops;
}
struct chip_operations drivers_i2c_da7219_ops = {
CHIP_NAME("Dialog Semiconductor DA7219 Audio Codec")
.enable_dev = da7219_enable
};
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