/* * (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 <linux/list.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 */ /* Device information */ typedef struct { 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; } 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 device_t *stdio_devices[]; extern char *stdio_names[MAX_FILES]; /* * PROTOTYPES */ int device_register (device_t * dev); int devices_init (void); #ifdef CONFIG_SYS_DEVICE_DEREGISTER int device_deregister(char *devname); #endif struct list_head* device_get_list(void); device_t* device_get_by_name(char* name); device_t* device_clone(device_t *dev); #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) 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 #endif /* _DEVICES_H_ */