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e831ad54 WD |
1 | /* |
2 | * (C) Copyright 2000 | |
3 | * Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it | |
4 | * | |
1a459660 | 5 | * SPDX-License-Identifier: GPL-2.0+ |
e831ad54 WD |
6 | */ |
7 | ||
52cb4d4f JCPV |
8 | #ifndef _STDIO_DEV_H_ |
9 | #define _STDIO_DEV_H_ | |
e831ad54 | 10 | |
52cb4d4f | 11 | #include <linux/list.h> |
e831ad54 WD |
12 | |
13 | /* | |
52cb4d4f | 14 | * STDIO DEVICES |
e831ad54 WD |
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 */ | |
7b3c4c3a | 19 | #define DEV_FLAGS_DM 0x00000004 /* Device priv is a struct udevice * */ |
e831ad54 | 20 | |
47cd00fa | 21 | /* Device information */ |
52cb4d4f | 22 | struct stdio_dev { |
e831ad54 WD |
23 | int flags; /* Device flags: input/output/system */ |
24 | int ext; /* Supported extensions */ | |
5294e978 | 25 | char name[32]; /* Device name */ |
e831ad54 WD |
26 | |
27 | /* GENERAL functions */ | |
28 | ||
709ea543 SG |
29 | int (*start)(struct stdio_dev *dev); /* To start the device */ |
30 | int (*stop)(struct stdio_dev *dev); /* To stop the device */ | |
e831ad54 WD |
31 | |
32 | /* OUTPUT functions */ | |
33 | ||
709ea543 SG |
34 | /* To put a char */ |
35 | void (*putc)(struct stdio_dev *dev, const char c); | |
36 | /* To put a string (accelerator) */ | |
37 | void (*puts)(struct stdio_dev *dev, const char *s); | |
e831ad54 WD |
38 | |
39 | /* INPUT functions */ | |
40 | ||
709ea543 SG |
41 | /* To test if a char is ready... */ |
42 | int (*tstc)(struct stdio_dev *dev); | |
43 | int (*getc)(struct stdio_dev *dev); /* To get that char */ | |
e831ad54 WD |
44 | |
45 | /* Other functions */ | |
46 | ||
47 | void *priv; /* Private extensions */ | |
c1de7a6d | 48 | struct list_head list; |
52cb4d4f | 49 | }; |
e831ad54 WD |
50 | |
51 | /* | |
52 | * VIDEO EXTENSIONS | |
53 | */ | |
54 | #define VIDEO_FORMAT_RGB_INDEXED 0x0000 | |
55 | #define VIDEO_FORMAT_RGB_DIRECTCOLOR 0x0001 | |
56 | #define VIDEO_FORMAT_YUYV_4_4_4 0x0010 | |
57 | #define VIDEO_FORMAT_YUYV_4_2_2 0x0011 | |
58 | ||
59 | typedef struct { | |
60 | void *address; /* Address of framebuffer */ | |
61 | ushort width; /* Horizontal resolution */ | |
62 | ushort height; /* Vertical resolution */ | |
63 | uchar format; /* Format */ | |
64 | uchar colors; /* Colors number or color depth */ | |
65 | void (*setcolreg) (int, int, int, int); | |
66 | void (*getcolreg) (int, void *); | |
67 | } video_ext_t; | |
68 | ||
69 | /* | |
70 | * VARIABLES | |
71 | */ | |
52cb4d4f | 72 | extern struct stdio_dev *stdio_devices[]; |
e831ad54 WD |
73 | extern char *stdio_names[MAX_FILES]; |
74 | ||
75 | /* | |
76 | * PROTOTYPES | |
77 | */ | |
52cb4d4f | 78 | int stdio_register (struct stdio_dev * dev); |
d97143a6 | 79 | int stdio_register_dev(struct stdio_dev *dev, struct stdio_dev **devp); |
9fb02491 SG |
80 | |
81 | /** | |
82 | * stdio_init_tables() - set up stdio tables ready for devices | |
83 | * | |
84 | * This does not add any devices, but just prepares stdio for use. | |
85 | */ | |
86 | int stdio_init_tables(void); | |
87 | ||
88 | /** | |
89 | * stdio_add_devices() - Add stdio devices to the table | |
90 | * | |
91 | * This makes calls to all the various subsystems that use stdio, to make | |
92 | * them register with stdio. | |
93 | */ | |
94 | int stdio_add_devices(void); | |
95 | ||
96 | /** | |
97 | * stdio_init() - Sets up stdio ready for use | |
98 | * | |
99 | * This calls stdio_init_tables() and stdio_add_devices() | |
100 | */ | |
101 | int stdio_init(void); | |
102 | ||
7e3be7cf | 103 | void stdio_print_current_devices(void); |
869588de | 104 | #if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER) |
32d01926 HG |
105 | int stdio_deregister(const char *devname, int force); |
106 | int stdio_deregister_dev(struct stdio_dev *dev, int force); | |
fea91ede | 107 | #endif |
52cb4d4f | 108 | struct list_head* stdio_get_list(void); |
d7be3056 | 109 | struct stdio_dev* stdio_get_by_name(const char* name); |
52cb4d4f | 110 | struct stdio_dev* stdio_clone(struct stdio_dev *dev); |
c1de7a6d | 111 | |
e831ad54 WD |
112 | #ifdef CONFIG_LCD |
113 | int drv_lcd_init (void); | |
114 | #endif | |
a6c7ad2f | 115 | #if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE) |
e831ad54 WD |
116 | int drv_video_init (void); |
117 | #endif | |
682011ff WD |
118 | #ifdef CONFIG_KEYBOARD |
119 | int drv_keyboard_init (void); | |
e831ad54 | 120 | #endif |
232c150a WD |
121 | #ifdef CONFIG_USB_TTY |
122 | int drv_usbtty_init (void); | |
123 | #endif | |
68ceb29e WD |
124 | #ifdef CONFIG_NETCONSOLE |
125 | int drv_nc_init (void); | |
126 | #endif | |
36ea8e9a MF |
127 | #ifdef CONFIG_JTAG_CONSOLE |
128 | int drv_jtag_console_init (void); | |
129 | #endif | |
98ab435f VB |
130 | #ifdef CONFIG_CBMEM_CONSOLE |
131 | int cbmemc_init(void); | |
132 | #endif | |
e831ad54 | 133 | |
52cb4d4f | 134 | #endif |