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/*
* (C) Copyright 2000
* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <lists.h>
#ifndef _DEVICES_H_
#define _DEVICES_H_
/*
* CONSOLE DEVICES
*/
#define DEV_FLAGS_INPUT 0x00000001 /* Device can be used as input console */
#define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */
#define DEV_FLAGS_SYSTEM 0x80000000 /* Device is a system device */
#define DEV_EXT_VIDEO 0x00000001 /* Video extensions supported */
typedef struct {
int flags; /* Device flags: input/output/system */
int ext; /* Supported extensions */
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/* GENERAL functions */
int (*start) (void); /* To start the device */
int (*stop) (void); /* To stop the device */
/* OUTPUT functions */
void (*putc) (const char c); /* To put a char */
void (*puts) (const char *s); /* To put a string (accelerator) */
/* INPUT functions */
int (*tstc) (void); /* To test if a char is ready... */
int (*getc) (void); /* To get that char */
/* Other functions */
void *priv; /* Private extensions */
} device_t;
/*
* VIDEO EXTENSIONS
*/
#define VIDEO_FORMAT_RGB_INDEXED 0x0000
#define VIDEO_FORMAT_RGB_DIRECTCOLOR 0x0001
#define VIDEO_FORMAT_YUYV_4_4_4 0x0010
#define VIDEO_FORMAT_YUYV_4_2_2 0x0011
typedef struct {
void *address; /* Address of framebuffer */
ushort width; /* Horizontal resolution */
ushort height; /* Vertical resolution */
uchar format; /* Format */
uchar colors; /* Colors number or color depth */
void (*setcolreg) (int, int, int, int);
void (*getcolreg) (int, void *);
} video_ext_t;
/*
* VARIABLES
*/
extern list_t devlist;
extern device_t *stdio_devices[];
extern char *stdio_names[MAX_FILES];
/*
* PROTOTYPES
*/
int device_register (device_t * dev);
int devices_init (void);
int devices_done (void);
int device_deregister(char *devname);
#ifdef CONFIG_LCD
int drv_lcd_init (void);
#endif
#ifdef CONFIG_VFD
int drv_vfd_init (void);
#endif
#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
#ifdef CONFIG_KEYBOARD
int drv_keyboard_init (void);
#ifdef CONFIG_USB_TTY
int drv_usbtty_init (void);
#endif
#ifdef CONFIG_NETCONSOLE
int drv_nc_init (void);
#endif