1/* 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 24#ifndef _STDIO_DEV_H_ 25#define _STDIO_DEV_H_ 26 27#include <linux/list.h> 28 29/* 30 * STDIO 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 38/* Device information */ 39struct stdio_dev { 40 int flags; /* Device flags: input/output/system */ 41 int ext; /* Supported extensions */ 42 char name[16]; /* Device name */ 43 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 */ 62 struct list_head list; 63}; 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 */ 86extern struct stdio_dev *stdio_devices[]; 87extern char *stdio_names[MAX_FILES]; 88 89/* 90 * PROTOTYPES 91 */ 92int stdio_register (struct stdio_dev * dev); 93int stdio_init (void); 94void stdio_print_current_devices(void); 95#ifdef CONFIG_SYS_STDIO_DEREGISTER 96int stdio_deregister(char *devname); 97#endif 98struct list_head* stdio_get_list(void); 99struct stdio_dev* stdio_get_by_name(char* name); 100struct stdio_dev* stdio_clone(struct stdio_dev *dev); 101 102#ifdef CONFIG_ARM_DCC_MULTI 103int drv_arm_dcc_init(void); 104#endif 105#ifdef CONFIG_LCD 106int drv_lcd_init (void); 107#endif 108#ifdef CONFIG_VFD 109int drv_vfd_init (void); 110#endif 111#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) 112int drv_video_init (void); 113#endif 114#ifdef CONFIG_KEYBOARD 115int drv_keyboard_init (void); 116#endif 117#ifdef CONFIG_USB_TTY 118int drv_usbtty_init (void); 119#endif 120#ifdef CONFIG_NETCONSOLE 121int drv_nc_init (void); 122#endif 123#ifdef CONFIG_JTAG_CONSOLE 124int drv_jtag_console_init (void); 125#endif 126 127#endif 128