| /* |
| * Copyright 2020 Google LLC |
| * Copyright (c) 2020 Nordic Semiconductor ASA |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #define LOG_LEVEL CONFIG_EMUL_LOG_LEVEL |
| #include <zephyr/logging/log.h> |
| LOG_MODULE_REGISTER(emul); |
| |
| #include <zephyr/device.h> |
| #include <zephyr/drivers/emul.h> |
| #include <zephyr/sys/iterable_sections.h> |
| #include <string.h> |
| |
| const struct emul *emul_get_binding(const char *name) |
| { |
| STRUCT_SECTION_FOREACH(emul, emul_it) { |
| if (strcmp(emul_it->dev->name, name) == 0) { |
| return emul_it; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| int emul_init_for_bus(const struct device *dev) |
| { |
| const struct emul_list_for_bus *cfg = dev->config; |
| |
| /* |
| * Walk the list of children, find the corresponding emulator and |
| * initialise it. |
| */ |
| const struct emul_link_for_bus *elp; |
| const struct emul_link_for_bus *const end = cfg->children + cfg->num_children; |
| |
| LOG_INF("Registering %d emulator(s) for %s", cfg->num_children, dev->name); |
| for (elp = cfg->children; elp < end; elp++) { |
| const struct emul *emul = emul_get_binding(elp->dev->name); |
| |
| if (!emul) { |
| LOG_WRN("Cannot find emulator for '%s'", elp->dev->name); |
| continue; |
| } |
| |
| switch (emul->bus_type) { |
| case EMUL_BUS_TYPE_I2C: |
| emul->bus.i2c->target = emul; |
| break; |
| case EMUL_BUS_TYPE_ESPI: |
| emul->bus.espi->target = emul; |
| break; |
| case EMUL_BUS_TYPE_SPI: |
| emul->bus.spi->target = emul; |
| break; |
| case EMUL_BUS_TYPE_MSPI: |
| emul->bus.mspi->target = emul; |
| break; |
| case EMUL_BUS_TYPE_NONE: |
| break; |
| } |
| int rc = emul->init(emul, dev); |
| |
| if (rc != 0) { |
| LOG_WRN("Init %s emulator failed: %d", |
| elp->dev->name, rc); |
| } |
| |
| switch (emul->bus_type) { |
| #ifdef CONFIG_I2C_EMUL |
| case EMUL_BUS_TYPE_I2C: |
| rc = i2c_emul_register(dev, emul->bus.i2c); |
| break; |
| #endif /* CONFIG_I2C_EMUL */ |
| #ifdef CONFIG_ESPI_EMUL |
| case EMUL_BUS_TYPE_ESPI: |
| rc = espi_emul_register(dev, emul->bus.espi); |
| break; |
| #endif /* CONFIG_ESPI_EMUL */ |
| #ifdef CONFIG_SPI_EMUL |
| case EMUL_BUS_TYPE_SPI: |
| rc = spi_emul_register(dev, emul->bus.spi); |
| break; |
| #endif /* CONFIG_SPI_EMUL */ |
| #ifdef CONFIG_MSPI_EMUL |
| case EMUL_BUS_TYPE_MSPI: |
| rc = mspi_emul_register(dev, emul->bus.mspi); |
| break; |
| #endif /* CONFIG_MSPI_EMUL */ |
| default: |
| rc = -EINVAL; |
| LOG_WRN("Found no emulated bus enabled to register emulator %s", |
| elp->dev->name); |
| } |
| |
| if (rc != 0) { |
| LOG_WRN("Failed to register emulator for %s: %d", elp->dev->name, rc); |
| } |
| } |
| |
| return 0; |
| } |