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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 */
19#define DEV_FLAGS_SYSTEM 0x80000000 /* Device is a system device */
20#define DEV_EXT_VIDEO 0x00000001 /* Video extensions supported */
21
wdenk47cd00f2003-03-06 13:39:27 +000022/* Device information */
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 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 */
wdenk281e00a2004-08-01 22:48:16 +000026 char name[16]; /* Device name */
wdenke831ad52002-10-17 21:52:26 +000027
28/* GENERAL functions */
29
Simon Glass709ea542014-07-23 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 Glass709ea542014-07-23 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 Glass709ea542014-07-23 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-VILLARDc1de7a62008-08-31 04:24:55 +020049 struct list_head list;
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 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-VILLARD52cb4d42009-05-16 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-VILLARD52cb4d42009-05-16 12:14:54 +020079int stdio_register (struct stdio_dev * dev);
Simon Glassd97143a2014-07-23 06:55:05 -060080int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp);
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020081int stdio_init (void);
Jean-Christophe PLAGNIOL-VILLARD7e3be7c2009-05-16 12:14:55 +020082void stdio_print_current_devices(void);
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020083#ifdef CONFIG_SYS_STDIO_DEREGISTER
Mike Frysingerd7be3052010-10-20 07:18:03 -040084int stdio_deregister(const char *devname);
Simon Glassd97143a2014-07-23 06:55:05 -060085int stdio_deregister_dev(struct stdio_dev *dev);
Jean-Christophe PLAGNIOL-VILLARDfea91ed2008-12-02 21:58:04 +010086#endif
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020087struct list_head* stdio_get_list(void);
Mike Frysingerd7be3052010-10-20 07:18:03 -040088struct stdio_dev* stdio_get_by_name(const char* name);
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +020089struct stdio_dev* stdio_clone(struct stdio_dev *dev);
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020090
wdenke831ad52002-10-17 21:52:26 +000091#ifdef CONFIG_LCD
92int drv_lcd_init (void);
93#endif
wdenka6c7ad22002-12-03 21:28:10 +000094#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
wdenke831ad52002-10-17 21:52:26 +000095int drv_video_init (void);
96#endif
wdenk682011f2003-06-03 23:54:09 +000097#ifdef CONFIG_KEYBOARD
98int drv_keyboard_init (void);
wdenke831ad52002-10-17 21:52:26 +000099#endif
wdenk232c1502004-03-12 00:14:09 +0000100#ifdef CONFIG_USB_TTY
101int drv_usbtty_init (void);
102#endif
wdenk68ceb292004-08-02 21:11:11 +0000103#ifdef CONFIG_NETCONSOLE
104int drv_nc_init (void);
105#endif
Mike Frysinger36ea8e92008-10-11 21:51:20 -0400106#ifdef CONFIG_JTAG_CONSOLE
107int drv_jtag_console_init (void);
108#endif
Vadim Bendebury98ab4352012-10-12 18:48:47 +0000109#ifdef CONFIG_CBMEM_CONSOLE
110int cbmemc_init(void);
111#endif
wdenke831ad52002-10-17 21:52:26 +0000112
Jean-Christophe PLAGNIOL-VILLARD52cb4d42009-05-16 12:14:54 +0200113#endif