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https://github.com/AsahiLinux/u-boot
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115 lines
3 KiB
C
115 lines
3 KiB
C
/*
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* (C) Copyright 2000
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* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <lists.h>
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#ifndef _DEVICES_H_
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#define _DEVICES_H_
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/*
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* CONSOLE DEVICES
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*/
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#define DEV_FLAGS_INPUT 0x00000001 /* Device can be used as input console */
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#define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */
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#define DEV_FLAGS_SYSTEM 0x80000000 /* Device is a system device */
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#define DEV_EXT_VIDEO 0x00000001 /* Video extensions supported */
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/* Device information */
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typedef struct {
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int flags; /* Device flags: input/output/system */
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int ext; /* Supported extensions */
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char name[16]; /* Device name */
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/* GENERAL functions */
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int (*start) (void); /* To start the device */
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int (*stop) (void); /* To stop the device */
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/* OUTPUT functions */
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void (*putc) (const char c); /* To put a char */
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void (*puts) (const char *s); /* To put a string (accelerator) */
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/* INPUT functions */
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int (*tstc) (void); /* To test if a char is ready... */
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int (*getc) (void); /* To get that char */
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/* Other functions */
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void *priv; /* Private extensions */
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} device_t;
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/*
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* VIDEO EXTENSIONS
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*/
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#define VIDEO_FORMAT_RGB_INDEXED 0x0000
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#define VIDEO_FORMAT_RGB_DIRECTCOLOR 0x0001
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#define VIDEO_FORMAT_YUYV_4_4_4 0x0010
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#define VIDEO_FORMAT_YUYV_4_2_2 0x0011
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typedef struct {
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void *address; /* Address of framebuffer */
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ushort width; /* Horizontal resolution */
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ushort height; /* Vertical resolution */
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uchar format; /* Format */
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uchar colors; /* Colors number or color depth */
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void (*setcolreg) (int, int, int, int);
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void (*getcolreg) (int, void *);
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} video_ext_t;
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/*
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* VARIABLES
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*/
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extern list_t devlist;
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extern device_t *stdio_devices[];
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extern char *stdio_names[MAX_FILES];
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/*
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* PROTOTYPES
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*/
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int device_register (device_t * dev);
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int devices_init (void);
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int devices_done (void);
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int device_deregister(char *devname);
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#ifdef CONFIG_LCD
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int drv_lcd_init (void);
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#endif
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#ifdef CONFIG_VFD
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int drv_vfd_init (void);
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#endif
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#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
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int drv_video_init (void);
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#endif
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#ifdef CONFIG_KEYBOARD
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int drv_keyboard_init (void);
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#endif
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#ifdef CONFIG_USB_TTY
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int drv_usbtty_init (void);
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#endif
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#ifdef CONFIG_NETCONSOLE
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int drv_nc_init (void);
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#endif
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#endif /* _DEVICES_H_ */
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