| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * (C) Copyright 2000 |
| 3 | * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it |
| 4 | * |
| 5 | * SPDX-License-Identifier: GPL-2.0+ |
| 6 | */ |
| 7 | |
| 8 | #ifndef _STDIO_DEV_H_ |
| 9 | #define _STDIO_DEV_H_ |
| 10 | |
| 11 | #include <linux/list.h> |
| 12 | |
| 13 | /* |
| 14 | * STDIO DEVICES |
| 15 | */ |
| 16 | |
| 17 | #define DEV_FLAGS_INPUT 0x00000001 /* Device can be used as input console */ |
| 18 | #define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */ |
| 19 | #define DEV_FLAGS_SYSTEM 0x80000000 /* Device is a system device */ |
| 20 | #define DEV_EXT_VIDEO 0x00000001 /* Video extensions supported */ |
| 21 | |
| 22 | /* Device information */ |
| 23 | struct stdio_dev { |
| 24 | int flags; /* Device flags: input/output/system */ |
| 25 | int ext; /* Supported extensions */ |
| 26 | char name[16]; /* Device name */ |
| 27 | |
| 28 | /* GENERAL functions */ |
| 29 | |
| 30 | int (*start) (void); /* To start the device */ |
| 31 | int (*stop) (void); /* To stop the device */ |
| 32 | |
| 33 | /* OUTPUT functions */ |
| 34 | |
| 35 | void (*putc) (const char c); /* To put a char */ |
| 36 | void (*puts) (const char *s); /* To put a string (accelerator) */ |
| 37 | |
| 38 | /* INPUT functions */ |
| 39 | |
| 40 | int (*tstc) (void); /* To test if a char is ready... */ |
| 41 | int (*getc) (void); /* To get that char */ |
| 42 | |
| 43 | /* Other functions */ |
| 44 | |
| 45 | void *priv; /* Private extensions */ |
| 46 | struct list_head list; |
| 47 | }; |
| 48 | |
| 49 | /* |
| 50 | * VIDEO EXTENSIONS |
| 51 | */ |
| 52 | #define VIDEO_FORMAT_RGB_INDEXED 0x0000 |
| 53 | #define VIDEO_FORMAT_RGB_DIRECTCOLOR 0x0001 |
| 54 | #define VIDEO_FORMAT_YUYV_4_4_4 0x0010 |
| 55 | #define VIDEO_FORMAT_YUYV_4_2_2 0x0011 |
| 56 | |
| 57 | typedef struct { |
| 58 | void *address; /* Address of framebuffer */ |
| 59 | ushort width; /* Horizontal resolution */ |
| 60 | ushort height; /* Vertical resolution */ |
| 61 | uchar format; /* Format */ |
| 62 | uchar colors; /* Colors number or color depth */ |
| 63 | void (*setcolreg) (int, int, int, int); |
| 64 | void (*getcolreg) (int, void *); |
| 65 | } video_ext_t; |
| 66 | |
| 67 | /* |
| 68 | * VARIABLES |
| 69 | */ |
| 70 | extern struct stdio_dev *stdio_devices[]; |
| 71 | extern char *stdio_names[MAX_FILES]; |
| 72 | |
| 73 | /* |
| 74 | * PROTOTYPES |
| 75 | */ |
| 76 | int stdio_register (struct stdio_dev * dev); |
| 77 | int stdio_init (void); |
| 78 | void stdio_print_current_devices(void); |
| 79 | #ifdef CONFIG_SYS_STDIO_DEREGISTER |
| 80 | int stdio_deregister(const char *devname); |
| 81 | #endif |
| 82 | struct list_head* stdio_get_list(void); |
| 83 | struct stdio_dev* stdio_get_by_name(const char* name); |
| 84 | struct stdio_dev* stdio_clone(struct stdio_dev *dev); |
| 85 | |
| 86 | #ifdef CONFIG_LCD |
| 87 | int drv_lcd_init (void); |
| 88 | #endif |
| 89 | #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) |
| 90 | int drv_video_init (void); |
| 91 | #endif |
| 92 | #ifdef CONFIG_KEYBOARD |
| 93 | int drv_keyboard_init (void); |
| 94 | #endif |
| 95 | #ifdef CONFIG_USB_TTY |
| 96 | int drv_usbtty_init (void); |
| 97 | #endif |
| 98 | #ifdef CONFIG_NETCONSOLE |
| 99 | int drv_nc_init (void); |
| 100 | #endif |
| 101 | #ifdef CONFIG_JTAG_CONSOLE |
| 102 | int drv_jtag_console_init (void); |
| 103 | #endif |
| 104 | #ifdef CONFIG_CBMEM_CONSOLE |
| 105 | int cbmemc_init(void); |
| 106 | #endif |
| 107 | |
| 108 | #endif |