/* SPDX-License-Identifier: GPL-2.0-only */ #include <acpi/acpi_device.h> #include <acpi/acpigen.h> #include <console/console.h> #include <device/device.h> #include <stdio.h> #include "chip.h" #define RT5645_ACPI_NAME "RT58" #define RT5645_ACPI_HID "10EC5650" #define RT5645_DP_INT(key, val) \ acpi_dp_add_integer(dp, "realtek," key, (val)) static void rt5645_fill_ssdt(const struct device *dev) { struct drivers_i2c_rt5645_config *config = dev->chip_info; const char *path; const char *scope = acpi_device_scope(dev); int cbj_sleeve_index = -1, irq_gpio_index = -1, hp_detect_index = -1; 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 *dp; int curr_index = 0; if (!config) return; const char *name = acpi_device_name(dev); if (!scope || !name) return; /* Device */ acpigen_write_scope(scope); acpigen_write_device(name); if (config->hid) acpigen_write_name_string("_HID", config->hid); else acpigen_write_name_string("_HID", RT5645_ACPI_HID); acpigen_write_name_integer("_UID", 0); if (config->desc) acpigen_write_name_string("_DDN", config->desc); /* Hide the device because of Microsoft Windows */ acpigen_write_STA(ACPI_STATUS_DEVICE_HIDDEN_ON); /* 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) irq_gpio_index = acpi_device_write_dsd_gpio(&config->irq_gpio, &curr_index); else acpi_device_write_interrupt(&config->irq); /* Add I2C GPIO index */ cbj_sleeve_index = acpi_device_write_dsd_gpio(&config->cbj_sleeve, &curr_index); hp_detect_index = acpi_device_write_dsd_gpio(&config->hp_detect, &curr_index); acpigen_write_resourcetemplate_footer(); /* _DSD for devicetree properties */ /* This points to the first pin in the first gpio entry in _CRS */ path = acpi_device_path(dev); dp = acpi_dp_new_table("_DSD"); if (config->irq_gpio.pin_count) acpi_dp_add_gpio(dp, "irq-gpios", path, irq_gpio_index, 0, config->irq_gpio.active_low); if (config->cbj_sleeve.pin_count) acpi_dp_add_gpio(dp, "cbj-sleeve-gpios", path, cbj_sleeve_index, 0, config->cbj_sleeve.active_low); if (config->hp_detect.pin_count) acpi_dp_add_gpio(dp, "hp-detect-gpios", path, hp_detect_index, 0, config->hp_detect.active_low); RT5645_DP_INT("jd-mode", config->jd_mode); acpi_dp_write(dp); acpigen_pop_len(); /* Device */ acpigen_pop_len(); /* Scope */ printk(BIOS_INFO, "%s: %s address 0%xh\n", path, config->desc ? : dev->chip_ops->name, dev->path.i2c.device); } static const char *rt5645_acpi_name(const struct device *dev) { struct drivers_i2c_rt5645_config *config = dev->chip_info; static char name[5]; if (config->name) return config->name; snprintf(name, sizeof(name), "D%03.3X", dev->path.i2c.device); return name; } static struct device_operations rt5645_ops = { .read_resources = noop_read_resources, .set_resources = noop_set_resources, .acpi_name = rt5645_acpi_name, .acpi_fill_ssdt = rt5645_fill_ssdt, }; static void rt5645_enable(struct device *dev) { dev->ops = &rt5645_ops; } struct chip_operations drivers_i2c_rt5645_ops = { .name = "ASoC RT5645 Codec driver", .enable_dev = rt5645_enable };