| /* |
| * 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 IS_ENABLED(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 IS_ENABLED(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 |
| }; |