/*
 * Copyright (c) 2021 Espressif Systems (Shanghai) Co., Ltd.
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#ifndef _STUBS_H_
#define _STUBS_H_

/* Required for C99 compilation (required for GCC-8.x version,
 * where typeof is used instead of __typeof__)
 */
#ifndef typeof
#define typeof  __typeof__
#endif

#include <zephyr/devicetree.h>

#if defined(CONFIG_SOC_ESP32) || defined(CONFIG_SOC_ESP32_NET)
#define DT_CPU_COMPAT cdns_tensilica_xtensa_lx6
#elif defined(CONFIG_SOC_ESP32S2) || defined(CONFIG_SOC_ESP32S3)
#define DT_CPU_COMPAT cdns_tensilica_xtensa_lx7
#elif CONFIG_IDF_TARGET_ESP32C3
#define DT_CPU_COMPAT espressif_riscv
#endif

#define ESP_SOC_DEFAULT_CPU_FREQ_MHZ ((DT_PROP(DT_INST(0, DT_CPU_COMPAT), clock_frequency)) / 1000000)
#define ESP_SOC_DEFAULT_RTC_CLK_CAL_CYCLES 1024

#if defined(CONFIG_SOC_ESP32)
#define CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ ESP_SOC_DEFAULT_CPU_FREQ_MHZ
#elif defined(CONFIG_SOC_ESP32S2)
#define CONFIG_ESP32S2_DEFAULT_CPU_FREQ_MHZ ESP_SOC_DEFAULT_CPU_FREQ_MHZ
#elif defined(CONFIG_SOC_ESP32S3)
#define CONFIG_ESP32S3_DEFAULT_CPU_FREQ_MHZ ESP_SOC_DEFAULT_CPU_FREQ_MHZ
#elif defined(CONFIG_SOC_ESP32C3)
#define CONFIG_ESP32C3_DEFAULT_CPU_FREQ_MHZ ESP_SOC_DEFAULT_CPU_FREQ_MHZ
#endif

/* Extract configuration from the devicetree */
#if DT_NODE_HAS_STATUS(DT_NODELABEL(uart0), okay) &&		\
	DT_PROP_BY_IDX(DT_NODELABEL(uart0), reg, 0) ==		\
	DT_PROP_BY_IDX(DT_CHOSEN(zephyr_console), reg, 0)
#define CONFIG_ESP_CONSOLE_UART 1
#define CONFIG_ESP_CONSOLE_UART_NUM 0
#define CONFIG_ESP_CONSOLE_UART_BAUDRATE DT_PROP(DT_NODELABEL(uart0), current_speed)

#elif DT_NODE_HAS_STATUS(DT_NODELABEL(uart1), okay) &&		\
	DT_PROP_BY_IDX(DT_NODELABEL(uart1), reg, 0) ==		\
	DT_PROP_BY_IDX(DT_CHOSEN(zephyr_console), reg, 0)
#define CONFIG_ESP_CONSOLE_UART 1
#define CONFIG_ESP_CONSOLE_UART_NUM 1
#define CONFIG_ESP_CONSOLE_UART_BAUDRATE DT_PROP(DT_NODELABEL(uart1), current_speed)

#elif DT_NODE_HAS_STATUS(DT_NODELABEL(uart2), okay) &&		\
	DT_PROP_BY_IDX(DT_NODELABEL(uart2), reg, 0) ==		\
	DT_PROP_BY_IDX(DT_CHOSEN(zephyr_console), reg, 0)
#define CONFIG_ESP_CONSOLE_UART 1
#define CONFIG_ESP_CONSOLE_UART_NUM 2
#define CONFIG_ESP_CONSOLE_UART_BAUDRATE DT_PROP(DT_NODELABEL(uart2), current_speed)

#else

#define CONFIG_ESP_CONSOLE_UART_NONE
#define CONFIG_ESP_CONSOLE_UART_NUM -1

#endif

#endif /* _STUBS_H_ */