/*
   * (C) Copyright 2000
   * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
   *

   * SPDX-License-Identifier:	GPL-2.0+

   */

  #ifndef _STDIO_DEV_H_
  #define _STDIO_DEV_H_

  #include <linux/list.h>

  
  /*

   * STDIO 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		*/

  /* Device information */

  struct stdio_dev {

  	int	flags;			/* Device flags: input/output/system	*/
  	int	ext;			/* Supported extensions			*/

  	char	name[16];		/* Device name				*/

  
  /* 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			*/

  	struct list_head list;

  };

  
  /*
   * 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 struct stdio_dev *stdio_devices[];

  extern char *stdio_names[MAX_FILES];
  
  /*
   * PROTOTYPES
   */

  int	stdio_register (struct stdio_dev * dev);
  int	stdio_init (void);

  void	stdio_print_current_devices(void);

  #ifdef CONFIG_SYS_STDIO_DEREGISTER

  int	stdio_deregister(const char *devname);

  #endif

  struct list_head* stdio_get_list(void);

  struct stdio_dev* stdio_get_by_name(const char* name);

  struct stdio_dev* stdio_clone(struct stdio_dev *dev);

  #ifdef CONFIG_LCD
  int	drv_lcd_init (void);
  #endif

  #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)

  int	drv_video_init (void);
  #endif

  #ifdef CONFIG_KEYBOARD
  int	drv_keyboard_init (void);

  #endif

  #ifdef CONFIG_USB_TTY
  int	drv_usbtty_init (void);
  #endif

  #ifdef CONFIG_NETCONSOLE
  int	drv_nc_init (void);
  #endif

  #ifdef CONFIG_JTAG_CONSOLE
  int drv_jtag_console_init (void);
  #endif

  #ifdef CONFIG_CBMEM_CONSOLE
  int cbmemc_init(void);
  #endif

  #endif