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4b6d09449f
DEV_EXT_VIDEO does not have any actual meaning, hence drop it. Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
134 lines
3.2 KiB
C
134 lines
3.2 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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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _STDIO_DEV_H_
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#define _STDIO_DEV_H_
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#include <linux/list.h>
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/*
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* STDIO 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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/* Device information */
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struct stdio_dev {
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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[32]; /* Device name */
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/* GENERAL functions */
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int (*start)(struct stdio_dev *dev); /* To start the device */
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int (*stop)(struct stdio_dev *dev); /* To stop the device */
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/* OUTPUT functions */
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/* To put a char */
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void (*putc)(struct stdio_dev *dev, const char c);
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/* To put a string (accelerator) */
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void (*puts)(struct stdio_dev *dev, const char *s);
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/* INPUT functions */
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/* To test if a char is ready... */
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int (*tstc)(struct stdio_dev *dev);
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int (*getc)(struct stdio_dev *dev); /* To get that char */
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/* Other functions */
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void *priv; /* Private extensions */
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struct list_head list;
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};
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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 struct stdio_dev *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 stdio_register (struct stdio_dev * dev);
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int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp);
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/**
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* stdio_init_tables() - set up stdio tables ready for devices
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*
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* This does not add any devices, but just prepares stdio for use.
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*/
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int stdio_init_tables(void);
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/**
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* stdio_add_devices() - Add stdio devices to the table
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*
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* This makes calls to all the various subsystems that use stdio, to make
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* them register with stdio.
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*/
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int stdio_add_devices(void);
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/**
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* stdio_init() - Sets up stdio ready for use
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*
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* This calls stdio_init_tables() and stdio_add_devices()
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*/
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int stdio_init(void);
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void stdio_print_current_devices(void);
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#ifdef CONFIG_SYS_STDIO_DEREGISTER
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int stdio_deregister(const char *devname, int force);
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int stdio_deregister_dev(struct stdio_dev *dev, int force);
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#endif
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struct list_head* stdio_get_list(void);
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struct stdio_dev* stdio_get_by_name(const char* name);
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struct stdio_dev* stdio_clone(struct stdio_dev *dev);
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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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#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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#ifdef CONFIG_JTAG_CONSOLE
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int drv_jtag_console_init (void);
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#endif
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#ifdef CONFIG_CBMEM_CONSOLE
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int cbmemc_init(void);
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#endif
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#endif
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