drivers: console: add tccvcp console driver

Add console driver for tccvcp, required by TOPST VCP45.

Signed-off-by: Hounjoung Rim <[email protected]>

Author: pooky1004

drivers/console/CMakeLists.txt

@@ -15,3 +15,4 @@ zephyr_library_sources_ifdef(CONFIG_UART_MCUMGR uart_mcumgr.c)
 zephyr_library_sources_ifdef(CONFIG_XTENSA_SIM_CONSOLE xtensa_sim_console.c)
 zephyr_library_sources_ifdef(CONFIG_EFI_CONSOLE efi_console.c)
 zephyr_library_sources_ifdef(CONFIG_WINSTREAM_CONSOLE winstream_console.c)
+zephyr_library_sources_ifdef(CONFIG_TCCVCP_CONSOLE tccvcp_console.c)

drivers/console/Kconfig

@@ -304,4 +304,11 @@ config WINSTREAM_CONSOLE_STATIC_SIZE
 
 endif # WINSTREAM_CONSOLE
 
+config TCCVCP_CONSOLE
+	bool "Use TCCVCP console"
+	depends on SERIAL && SERIAL_HAS_DRIVER && UART_TCCVCP
+	select CONSOLE_HAS_DRIVER
+	help
+	  Use tccvcp as a console.
+
 endif # CONSOLE

drivers/console/tccvcp_console.c

@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2024 Hounjoung Rim <[email protected]>
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/kernel.h>
+#include <zephyr/sys/printk.h>
+#include <zephyr/sys/printk-hooks.h>
+#include <zephyr/sys/libc-hooks.h>
+#include <zephyr/device.h>
+#include <zephyr/init.h>
+
+static const struct device *const uart_console_dev = DEVICE_DT_GET(DT_CHOSEN(zephyr_console));
+
+void uart_tccvcp_poll_out(const struct device *dev, unsigned char c);
+
+static int arch_printk_char_out(int c)
+{
+	if (!device_is_ready(uart_console_dev)) {
+		return -ENODEV;
+	}
+
+	if ('\n' == c) {
+		uart_tccvcp_poll_out(uart_console_dev, '\r');
+	}
+	uart_tccvcp_poll_out(uart_console_dev, c);
+
+	return c;
+}
+
+static void tccvcp_console_hook_install(void)
+{
+#if defined(CONFIG_PRINTK)
+	__printk_hook_install(arch_printk_char_out);
+#endif
+	__stdout_hook_install(arch_printk_char_out);
+}
+
+static int tccvcp_console_init(void)
+{
+	if (!device_is_ready(uart_console_dev)) {
+		return -ENODEV;
+	}
+
+	tccvcp_console_hook_install();
+
+	return 0;
+}
+
+SYS_INIT(tccvcp_console_init, POST_KERNEL, CONFIG_CONSOLE_INIT_PRIORITY);