3 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
5 * SPDX-License-Identifier: GPL-2.0+
12 #include <linux/list.h>
18 #define DEV_FLAGS_INPUT 0x00000001 /* Device can be used as input console */
19 #define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */
20 #define DEV_FLAGS_DM 0x00000004 /* Device priv is a struct udevice * */
22 /* Device information */
24 int flags; /* Device flags: input/output/system */
25 int ext; /* Supported extensions */
26 char name[32]; /* Device name */
28 /* GENERAL functions */
30 int (*start)(struct stdio_dev *dev); /* To start the device */
31 int (*stop)(struct stdio_dev *dev); /* To stop the device */
33 /* OUTPUT functions */
36 void (*putc)(struct stdio_dev *dev, const char c);
37 /* To put a string (accelerator) */
38 void (*puts)(struct stdio_dev *dev, const char *s);
42 /* To test if a char is ready... */
43 int (*tstc)(struct stdio_dev *dev);
44 int (*getc)(struct stdio_dev *dev); /* To get that char */
48 void *priv; /* Private extensions */
49 struct list_head list;
55 extern struct stdio_dev *stdio_devices[];
56 extern char *stdio_names[MAX_FILES];
61 int stdio_register (struct stdio_dev * dev);
62 int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp);
65 * stdio_init_tables() - set up stdio tables ready for devices
67 * This does not add any devices, but just prepares stdio for use.
69 int stdio_init_tables(void);
72 * stdio_add_devices() - Add stdio devices to the table
74 * This makes calls to all the various subsystems that use stdio, to make
75 * them register with stdio.
77 int stdio_add_devices(void);
80 * stdio_init() - Sets up stdio ready for use
82 * This calls stdio_init_tables() and stdio_add_devices()
86 void stdio_print_current_devices(void);
87 #if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
88 int stdio_deregister(const char *devname, int force);
89 int stdio_deregister_dev(struct stdio_dev *dev, int force);
91 struct list_head* stdio_get_list(void);
92 struct stdio_dev* stdio_get_by_name(const char* name);
93 struct stdio_dev* stdio_clone(struct stdio_dev *dev);
96 int drv_lcd_init (void);
98 #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
99 int drv_video_init (void);
101 #ifdef CONFIG_KEYBOARD
102 int drv_keyboard_init (void);
104 #ifdef CONFIG_USB_TTY
105 int drv_usbtty_init (void);
107 #ifdef CONFIG_NETCONSOLE
108 int drv_nc_init (void);
110 #ifdef CONFIG_JTAG_CONSOLE
111 int drv_jtag_console_init (void);
113 #ifdef CONFIG_CBMEM_CONSOLE
114 int cbmemc_init(void);