bdd03c20d5
<stdio.h> header is used for input/output operations (such as printf, scanf, fopen, etc.). Although some input/output functions can manipulate strings, they do not need to directly include <string.h> because they are declared independently. Change-Id: Ibe2a4ff6f68843a6d99cfdfe182cf2dd922802aa Signed-off-by: Elyes Haouas <ehaouas@noos.fr> Reviewed-on: https://review.coreboot.org/c/coreboot/+/82665 Reviewed-by: Yidi Lin <yidilin@google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
121 lines
3.7 KiB
C
121 lines
3.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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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 <stdio.h>
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#include <string.h>
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#include "chip.h"
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#define I2C_SX9324_ACPI_ID "STH9324"
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#define I2C_SX9324_CHIP_NAME "Semtech SX9324"
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#define REGISTER(NAME) acpi_dp_add_integer(dsd, \
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I2C_SX9324_ACPI_ID "," #NAME, \
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config->NAME)
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static void i2c_sx9324_fill_ssdt(const struct device *dev)
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{
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struct drivers_i2c_sx9324_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 = I2C_SPEED_FAST,
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.resource = scope,
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};
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struct acpi_dp *dsd;
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if (!scope || !config)
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return;
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if (config->speed)
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i2c.speed = config->speed;
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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", I2C_SX9324_ACPI_ID);
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acpigen_write_name_integer("_UID", config->uid);
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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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if (config->irq_gpio.pin_count)
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acpi_device_write_gpio(&config->irq_gpio);
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else
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acpi_device_write_interrupt(&config->irq);
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acpigen_write_resourcetemplate_footer();
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/* DSD */
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dsd = acpi_dp_new_table("_DSD");
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acpi_dp_add_integer_array(dsd, "semtech,ph0-pin", config->ph0_pin, ARRAY_SIZE(config->ph0_pin));
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acpi_dp_add_integer_array(dsd, "semtech,ph1-pin", config->ph1_pin, ARRAY_SIZE(config->ph1_pin));
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acpi_dp_add_integer_array(dsd, "semtech,ph2-pin", config->ph2_pin, ARRAY_SIZE(config->ph2_pin));
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acpi_dp_add_integer_array(dsd, "semtech,ph3-pin", config->ph3_pin, ARRAY_SIZE(config->ph3_pin));
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acpi_dp_add_integer(dsd, "semtech,ph01-resolution", config->ph01_resolution);
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acpi_dp_add_integer(dsd, "semtech,ph23-resolution", config->ph23_resolution);
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acpi_dp_add_integer(dsd, "semtech,startup-sensor", config->startup_sensor);
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acpi_dp_add_integer(dsd, "semtech,ph01-proxraw-strength", config->ph01_proxraw_strength);
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acpi_dp_add_integer(dsd, "semtech,ph23-proxraw-strength", config->ph23_proxraw_strength);
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acpi_dp_add_integer(dsd, "semtech,avg-pos-strength", config->avg_pos_strength);
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acpi_dp_add_integer(dsd, "semtech,input-precharge-resistor-ohms", config->input_precharge_resistor_ohms);
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acpi_dp_add_integer(dsd, "semtech,input-analog-gain", config->input_analog_gain);
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acpi_dp_add_string(dsd, "semtech,cs-idle-sleep", config->cs_idle_sleep);
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acpi_dp_add_string(dsd, "semtech,int-comp-resistor", config->int_comp_resistor);
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#if CONFIG(DRIVERS_I2C_SX9324_SUPPORT_LEGACY_LINUX_DRIVER)
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#include "registers.h"
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#endif
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acpi_dp_write(dsd);
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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 at %s\n", acpi_device_path(dev),
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config->desc ? : dev->chip_ops->name, dev_path(dev));
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}
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#undef REGISTER
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static const char *i2c_sx9324_acpi_name(const struct device *dev)
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{
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static char name[5];
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snprintf(name, sizeof(name), "SX%02.2X", dev->path.i2c.device);
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return name;
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}
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static struct device_operations i2c_sx9324_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 = i2c_sx9324_acpi_name,
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.acpi_fill_ssdt = i2c_sx9324_fill_ssdt,
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};
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static void i2c_sx9324_enable(struct device *dev)
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{
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struct drivers_i2c_sx9324_config *config = dev->chip_info;
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if (!config) {
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dev->enabled = 0;
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return;
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}
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dev->ops = &i2c_sx9324_ops;
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if (config->desc)
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dev->name = config->desc;
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}
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struct chip_operations drivers_i2c_sx9324_ops = {
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.name = I2C_SX9324_CHIP_NAME,
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.enable_dev = i2c_sx9324_enable
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};
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