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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 Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
wdenke831ad52002-10-17 21:52:26 +00006 */
7
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +02008#ifndef _STDIO_DEV_H_
9#define _STDIO_DEV_H_
10
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020011#include <linux/list.h>
wdenke831ad52002-10-17 21:52:26 +000012
wdenke831ad52002-10-17 21:52:26 +000013/*
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 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 */
wdenke831ad52002-10-17 21:52:26 +000019
wdenk47cd00f2003-03-06 13:39:27 +000020/* Device information */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020021struct stdio_dev {
wdenke831ad52002-10-17 21:52:26 +000022 int flags; /* Device flags: input/output/system */
23 int ext; /* Supported extensions */
Alexey Brodkin5294e972015-02-25 21:26:46 +030024 char name[32]; /* Device name */
wdenke831ad52002-10-17 21:52:26 +000025
26/* GENERAL functions */
27
Simon Glass709ea542014-07-23 06:54:59 -060028 int (*start)(struct stdio_dev *dev); /* To start the device */
29 int (*stop)(struct stdio_dev *dev); /* To stop the device */
wdenke831ad52002-10-17 21:52:26 +000030
31/* OUTPUT functions */
32
Simon Glass709ea542014-07-23 06:54:59 -060033 /* To put a char */
34 void (*putc)(struct stdio_dev *dev, const char c);
35 /* To put a string (accelerator) */
36 void (*puts)(struct stdio_dev *dev, const char *s);
wdenke831ad52002-10-17 21:52:26 +000037
38/* INPUT functions */
39
Simon Glass709ea542014-07-23 06:54:59 -060040 /* To test if a char is ready... */
41 int (*tstc)(struct stdio_dev *dev);
42 int (*getc)(struct stdio_dev *dev); /* To get that char */
wdenke831ad52002-10-17 21:52:26 +000043
44/* Other functions */
45
46 void *priv; /* Private extensions */
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020047 struct list_head list;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020048};
wdenke831ad52002-10-17 21:52:26 +000049
50/*
51 * VIDEO EXTENSIONS
52 */
53#define VIDEO_FORMAT_RGB_INDEXED 0x0000
54#define VIDEO_FORMAT_RGB_DIRECTCOLOR 0x0001
55#define VIDEO_FORMAT_YUYV_4_4_4 0x0010
56#define VIDEO_FORMAT_YUYV_4_2_2 0x0011
57
58typedef struct {
59 void *address; /* Address of framebuffer */
60 ushort width; /* Horizontal resolution */
61 ushort height; /* Vertical resolution */
62 uchar format; /* Format */
63 uchar colors; /* Colors number or color depth */
64 void (*setcolreg) (int, int, int, int);
65 void (*getcolreg) (int, void *);
66} video_ext_t;
67
68/*
69 * VARIABLES
70 */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020071extern struct stdio_dev *stdio_devices[];
wdenke831ad52002-10-17 21:52:26 +000072extern char *stdio_names[MAX_FILES];
73
74/*
75 * PROTOTYPES
76 */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020077int stdio_register (struct stdio_dev * dev);
Simon Glassd97143a2014-07-23 06:55:05 -060078int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp);
Simon Glass9fb02492014-09-03 17:37:01 -060079
80/**
81 * stdio_init_tables() - set up stdio tables ready for devices
82 *
83 * This does not add any devices, but just prepares stdio for use.
84 */
85int stdio_init_tables(void);
86
87/**
88 * stdio_add_devices() - Add stdio devices to the table
89 *
90 * This makes calls to all the various subsystems that use stdio, to make
91 * them register with stdio.
92 */
93int stdio_add_devices(void);
94
95/**
96 * stdio_init() - Sets up stdio ready for use
97 *
98 * This calls stdio_init_tables() and stdio_add_devices()
99 */
100int stdio_init(void);
101
Jean-Christophe PLAGNIOL-VILLARD7e3be7c2009-05-16 12:14:55 +0200102void stdio_print_current_devices(void);
Simon Glass869588d2016-10-17 20:13:02 -0600103#if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
Hans de Goede32d01922014-09-20 16:54:37 +0200104int stdio_deregister(const char *devname, int force);
105int stdio_deregister_dev(struct stdio_dev *dev, int force);
Jean-Christophe PLAGNIOL-VILLARDfea91ed2008-12-02 21:58:04 +0100106#endif
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200107struct list_head* stdio_get_list(void);
Mike Frysingerd7be3052010-10-20 07:18:03 -0400108struct stdio_dev* stdio_get_by_name(const char* name);
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200109struct stdio_dev* stdio_clone(struct stdio_dev *dev);
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +0200110
wdenke831ad52002-10-17 21:52:26 +0000111#ifdef CONFIG_LCD
112int drv_lcd_init (void);
113#endif
wdenka6c7ad22002-12-03 21:28:10 +0000114#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
wdenke831ad52002-10-17 21:52:26 +0000115int drv_video_init (void);
116#endif
wdenk682011f2003-06-03 23:54:09 +0000117#ifdef CONFIG_KEYBOARD
118int drv_keyboard_init (void);
wdenke831ad52002-10-17 21:52:26 +0000119#endif
wdenk232c1502004-03-12 00:14:09 +0000120#ifdef CONFIG_USB_TTY
121int drv_usbtty_init (void);
122#endif
wdenk68ceb292004-08-02 21:11:11 +0000123#ifdef CONFIG_NETCONSOLE
124int drv_nc_init (void);
125#endif
Mike Frysinger36ea8e92008-10-11 21:51:20 -0400126#ifdef CONFIG_JTAG_CONSOLE
127int drv_jtag_console_init (void);
128#endif
Vadim Bendebury98ab4352012-10-12 18:48:47 +0000129#ifdef CONFIG_CBMEM_CONSOLE
130int cbmemc_init(void);
131#endif
wdenke831ad52002-10-17 21:52:26 +0000132
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200133#endif