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git.ipfire.org Git - people/ms/u-boot.git/blob - include/stdio_dev.h
3 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
5 * SPDX-License-Identifier: GPL-2.0+
11 #include <linux/list.h>
17 #define DEV_FLAGS_INPUT 0x00000001 /* Device can be used as input console */
18 #define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */
19 #define DEV_FLAGS_SYSTEM 0x80000000 /* Device is a system device */
20 #define DEV_EXT_VIDEO 0x00000001 /* Video extensions supported */
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 #define VIDEO_FORMAT_RGB_INDEXED 0x0000
56 #define VIDEO_FORMAT_RGB_DIRECTCOLOR 0x0001
57 #define VIDEO_FORMAT_YUYV_4_4_4 0x0010
58 #define VIDEO_FORMAT_YUYV_4_2_2 0x0011
61 void *address
; /* Address of framebuffer */
62 ushort width
; /* Horizontal resolution */
63 ushort height
; /* Vertical resolution */
64 uchar format
; /* Format */
65 uchar colors
; /* Colors number or color depth */
66 void (*setcolreg
) (int, int, int, int);
67 void (*getcolreg
) (int, void *);
73 extern struct stdio_dev
*stdio_devices
[];
74 extern char *stdio_names
[MAX_FILES
];
79 int stdio_register (struct stdio_dev
* dev
);
80 int stdio_register_dev(struct stdio_dev
*dev
, struct stdio_dev
**devp
);
83 * stdio_init_tables() - set up stdio tables ready for devices
85 * This does not add any devices, but just prepares stdio for use.
87 int stdio_init_tables(void);
90 * stdio_add_devices() - Add stdio devices to the table
92 * This makes calls to all the various subsystems that use stdio, to make
93 * them register with stdio.
95 int stdio_add_devices(void);
98 * stdio_init() - Sets up stdio ready for use
100 * This calls stdio_init_tables() and stdio_add_devices()
102 int stdio_init(void);
104 void stdio_print_current_devices(void);
105 #ifdef CONFIG_SYS_STDIO_DEREGISTER
106 int stdio_deregister(const char *devname
, int force
);
107 int stdio_deregister_dev(struct stdio_dev
*dev
, int force
);
109 struct list_head
* stdio_get_list(void);
110 struct stdio_dev
* stdio_get_by_name(const char* name
);
111 struct stdio_dev
* stdio_clone(struct stdio_dev
*dev
);
114 int drv_lcd_init (void);
116 #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
117 int drv_video_init (void);
119 #ifdef CONFIG_KEYBOARD
120 int drv_keyboard_init (void);
122 #ifdef CONFIG_USB_TTY
123 int drv_usbtty_init (void);
125 #ifdef CONFIG_NETCONSOLE
126 int drv_nc_init (void);
128 #ifdef CONFIG_JTAG_CONSOLE
129 int drv_jtag_console_init (void);
131 #ifdef CONFIG_CBMEM_CONSOLE
132 int cbmemc_init(void);