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wdenke831ad52002-10-17 21:52:26 +00001/*
2 * (C) Copyright 2000
3 * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenke831ad52002-10-17 21:52:26 +00006 */
7
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +02008#ifndef _STDIO_DEV_H_
9#define _STDIO_DEV_H_
wdenke831ad52002-10-17 21:52:26 +000010
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +020011#include <linux/list.h>
wdenke831ad52002-10-17 21:52:26 +000012
13/*
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +020014 * STDIO DEVICES
wdenke831ad52002-10-17 21:52:26 +000015 */
16
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 */
21
wdenkcc1e2562003-03-06 13:39:27 +000022/* Device information */
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +020023struct stdio_dev {
wdenke831ad52002-10-17 21:52:26 +000024 int flags; /* Device flags: input/output/system */
25 int ext; /* Supported extensions */
wdenk7ac16102004-08-01 22:48:16 +000026 char name[16]; /* Device name */
wdenke831ad52002-10-17 21:52:26 +000027
28/* GENERAL functions */
29
Simon Glass0d1e1f72014-07-23 06:54:59 -060030 int (*start)(struct stdio_dev *dev); /* To start the device */
31 int (*stop)(struct stdio_dev *dev); /* To stop the device */
wdenke831ad52002-10-17 21:52:26 +000032
33/* OUTPUT functions */
34
Simon Glass0d1e1f72014-07-23 06:54:59 -060035 /* To put a char */
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);
wdenke831ad52002-10-17 21:52:26 +000039
40/* INPUT functions */
41
Simon Glass0d1e1f72014-07-23 06:54:59 -060042 /* 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 */
wdenke831ad52002-10-17 21:52:26 +000045
46/* Other functions */
47
48 void *priv; /* Private extensions */
Jean-Christophe PLAGNIOL-VILLARD8a4a7842008-08-31 04:24:55 +020049 struct list_head list;
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +020050};
wdenke831ad52002-10-17 21:52:26 +000051
52/*
53 * VIDEO EXTENSIONS
54 */
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
59
60typedef struct {
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 *);
68} video_ext_t;
69
70/*
71 * VARIABLES
72 */
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +020073extern struct stdio_dev *stdio_devices[];
wdenke831ad52002-10-17 21:52:26 +000074extern char *stdio_names[MAX_FILES];
75
76/*
77 * PROTOTYPES
78 */
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +020079int stdio_register (struct stdio_dev * dev);
Simon Glass5d609ce2014-07-23 06:55:05 -060080int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp);
Simon Glass712da5e2014-09-03 17:37:01 -060081
82/**
83 * stdio_init_tables() - set up stdio tables ready for devices
84 *
85 * This does not add any devices, but just prepares stdio for use.
86 */
87int stdio_init_tables(void);
88
89/**
90 * stdio_add_devices() - Add stdio devices to the table
91 *
92 * This makes calls to all the various subsystems that use stdio, to make
93 * them register with stdio.
94 */
95int stdio_add_devices(void);
96
97/**
98 * stdio_init() - Sets up stdio ready for use
99 *
100 * This calls stdio_init_tables() and stdio_add_devices()
101 */
102int stdio_init(void);
103
Jean-Christophe PLAGNIOL-VILLARD5a309362009-05-16 12:14:55 +0200104void stdio_print_current_devices(void);
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +0200105#ifdef CONFIG_SYS_STDIO_DEREGISTER
Mike Frysingere3d55722010-10-20 07:18:03 -0400106int stdio_deregister(const char *devname);
Simon Glass5d609ce2014-07-23 06:55:05 -0600107int stdio_deregister_dev(struct stdio_dev *dev);
Jean-Christophe PLAGNIOL-VILLARD3bef09c2008-12-02 21:58:04 +0100108#endif
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +0200109struct list_head* stdio_get_list(void);
Mike Frysingere3d55722010-10-20 07:18:03 -0400110struct stdio_dev* stdio_get_by_name(const char* name);
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +0200111struct stdio_dev* stdio_clone(struct stdio_dev *dev);
Jean-Christophe PLAGNIOL-VILLARD8a4a7842008-08-31 04:24:55 +0200112
wdenke831ad52002-10-17 21:52:26 +0000113#ifdef CONFIG_LCD
114int drv_lcd_init (void);
115#endif
wdenk9dd2b882002-12-03 21:28:10 +0000116#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
wdenke831ad52002-10-17 21:52:26 +0000117int drv_video_init (void);
118#endif
wdenk4e112c12003-06-03 23:54:09 +0000119#ifdef CONFIG_KEYBOARD
120int drv_keyboard_init (void);
wdenke831ad52002-10-17 21:52:26 +0000121#endif
wdenk29e7f5a2004-03-12 00:14:09 +0000122#ifdef CONFIG_USB_TTY
123int drv_usbtty_init (void);
124#endif
wdenkb8fb6192004-08-02 21:11:11 +0000125#ifdef CONFIG_NETCONSOLE
126int drv_nc_init (void);
127#endif
Mike Frysinger7504e972008-10-11 21:51:20 -0400128#ifdef CONFIG_JTAG_CONSOLE
129int drv_jtag_console_init (void);
130#endif
Vadim Bendebury263a8bd2012-10-12 18:48:47 +0000131#ifdef CONFIG_CBMEM_CONSOLE
132int cbmemc_init(void);
133#endif
wdenke831ad52002-10-17 21:52:26 +0000134
Jean-Christophe PLAGNIOL-VILLARD2a7a0312009-05-16 12:14:54 +0200135#endif