1 files changed, 109 insertions, 0 deletions
diff --git a/include/stdio_dev.h b/include/stdio_dev.h
new file mode 100644
index 00000000000..f7f9c10199e
--- /dev/null
+++ b/include/stdio_dev.h
@@ -0,0 +1,109 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2000
+ * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
+ */
+
+#ifndef _STDIO_DEV_H_
+#define _STDIO_DEV_H_
+
+#include <stdio.h>
+#include <linux/list.h>
+
+/*
+ * STDIO DEVICES
+ */
+
+#define DEV_FLAGS_INPUT	 0x00000001	/* Device can be used as input	console */
+#define DEV_FLAGS_OUTPUT 0x00000002	/* Device can be used as output console */
+#define DEV_FLAGS_DM     0x00000004	/* Device priv is a struct udevice * */
+#define STDIO_NAME_LEN 32
+
+int stdio_file_to_flags(const int file);
+
+/* Device information */
+struct stdio_dev {
+	int	flags;			/* Device flags: input/output/system	*/
+	int	ext;			/* Supported extensions			*/
+	char	name[STDIO_NAME_LEN];	/* Device name				*/
+
+/* GENERAL functions */
+
+	int (*start)(struct stdio_dev *dev);	/* To start the device */
+	int (*stop)(struct stdio_dev *dev);	/* To stop the device */
+
+/* OUTPUT functions */
+
+	/* To put a char */
+	void (*putc)(struct stdio_dev *dev, const char c);
+	/* To put a string (accelerator) */
+	void (*puts)(struct stdio_dev *dev, const char *s);
+#ifdef CONFIG_CONSOLE_FLUSH_SUPPORT
+	/* To flush output queue */
+	void (*flush)(struct stdio_dev *dev);
+#define STDIO_DEV_ASSIGN_FLUSH(dev, flush_func) ((dev)->flush = (flush_func))
+#else
+#define STDIO_DEV_ASSIGN_FLUSH(dev, flush_func)
+#endif
+
+/* INPUT functions */
+
+	/* To test if a char is ready... */
+	int (*tstc)(struct stdio_dev *dev);
+	int (*getc)(struct stdio_dev *dev);	/* To get that char */
+
+/* Other functions */
+
+	void *priv;			/* Private extensions			*/
+	struct list_head list;
+};
+
+/*
+ * VARIABLES
+ */
+extern struct stdio_dev *stdio_devices[];
+extern char *stdio_names[MAX_FILES];
+
+/*
+ * PROTOTYPES
+ */
+int stdio_register(struct stdio_dev *dev);
+int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp);
+
+/**
+ * stdio_init_tables() - set up stdio tables ready for devices
+ *
+ * This does not add any devices, but just prepares stdio for use.
+ */
+int stdio_init_tables(void);
+
+/**
+ * stdio_add_devices() - Add stdio devices to the table
+ *
+ * This makes calls to all the various subsystems that use stdio, to make
+ * them register with stdio.
+ */
+int stdio_add_devices(void);
+
+/**
+ * stdio_deregister_dev() - deregister the device "devname".
+ *
+ * @dev: Stdio device to deregister
+ * @force: true to force deregistration even if in use
+ *
+ * returns 0 on success, -EBUSY if device is assigned
+ */
+int stdio_deregister_dev(struct stdio_dev *dev, int force);
+struct list_head *stdio_get_list(void);
+struct stdio_dev *stdio_get_by_name(const char *name);
+struct stdio_dev *stdio_clone(struct stdio_dev *dev);
+
+int drv_lcd_init(void);
+int drv_video_init(void);
+int drv_keyboard_init(void);
+int drv_usbacm_init(void);
+int drv_nc_init(void);
+int drv_jtag_console_init(void);
+int cbmemc_init(void);
+
+#endif