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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 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020024#include <linux/list.h>
wdenke831ad52002-10-17 21:52:26 +000025
26#ifndef _DEVICES_H_
27#define _DEVICES_H_
28
29/*
30 * CONSOLE DEVICES
31 */
32
33#define DEV_FLAGS_INPUT 0x00000001 /* Device can be used as input console */
34#define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */
35#define DEV_FLAGS_SYSTEM 0x80000000 /* Device is a system device */
36#define DEV_EXT_VIDEO 0x00000001 /* Video extensions supported */
37
wdenk47cd00f2003-03-06 13:39:27 +000038/* Device information */
wdenke831ad52002-10-17 21:52:26 +000039typedef struct {
40 int flags; /* Device flags: input/output/system */
41 int ext; /* Supported extensions */
wdenk281e00a2004-08-01 22:48:16 +000042 char name[16]; /* Device name */
wdenke831ad52002-10-17 21:52:26 +000043
44/* GENERAL functions */
45
46 int (*start) (void); /* To start the device */
47 int (*stop) (void); /* To stop the device */
48
49/* OUTPUT functions */
50
51 void (*putc) (const char c); /* To put a char */
52 void (*puts) (const char *s); /* To put a string (accelerator) */
53
54/* INPUT functions */
55
56 int (*tstc) (void); /* To test if a char is ready... */
57 int (*getc) (void); /* To get that char */
58
59/* Other functions */
60
61 void *priv; /* Private extensions */
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020062 struct list_head list;
wdenke831ad52002-10-17 21:52:26 +000063} device_t;
64
65/*
66 * VIDEO EXTENSIONS
67 */
68#define VIDEO_FORMAT_RGB_INDEXED 0x0000
69#define VIDEO_FORMAT_RGB_DIRECTCOLOR 0x0001
70#define VIDEO_FORMAT_YUYV_4_4_4 0x0010
71#define VIDEO_FORMAT_YUYV_4_2_2 0x0011
72
73typedef struct {
74 void *address; /* Address of framebuffer */
75 ushort width; /* Horizontal resolution */
76 ushort height; /* Vertical resolution */
77 uchar format; /* Format */
78 uchar colors; /* Colors number or color depth */
79 void (*setcolreg) (int, int, int, int);
80 void (*getcolreg) (int, void *);
81} video_ext_t;
82
83/*
84 * VARIABLES
85 */
wdenke831ad52002-10-17 21:52:26 +000086extern device_t *stdio_devices[];
87extern char *stdio_names[MAX_FILES];
88
89/*
90 * PROTOTYPES
91 */
92int device_register (device_t * dev);
93int devices_init (void);
wdenke831ad52002-10-17 21:52:26 +000094int device_deregister(char *devname);
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020095struct list_head* device_get_list(void);
96device_t* device_get_by_name(char* name);
Jean-Christophe PLAGNIOL-VILLARD628ffd72008-09-01 17:11:26 +020097device_t* device_clone(device_t *dev);
Jean-Christophe PLAGNIOL-VILLARDc1de7a62008-08-31 04:24:55 +020098
wdenke831ad52002-10-17 21:52:26 +000099#ifdef CONFIG_LCD
100int drv_lcd_init (void);
101#endif
102#ifdef CONFIG_VFD
103int drv_vfd_init (void);
104#endif
wdenka6c7ad22002-12-03 21:28:10 +0000105#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
wdenke831ad52002-10-17 21:52:26 +0000106int drv_video_init (void);
107#endif
wdenk682011f2003-06-03 23:54:09 +0000108#ifdef CONFIG_KEYBOARD
109int drv_keyboard_init (void);
wdenke831ad52002-10-17 21:52:26 +0000110#endif
wdenk232c1502004-03-12 00:14:09 +0000111#ifdef CONFIG_USB_TTY
112int drv_usbtty_init (void);
113#endif
wdenk68ceb292004-08-02 21:11:11 +0000114#ifdef CONFIG_NETCONSOLE
115int drv_nc_init (void);
116#endif
wdenke831ad52002-10-17 21:52:26 +0000117
118#endif /* _DEVICES_H_ */