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Rev | Author | Line No. | Line |
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1408 | serge | 1 | #ifndef _LINUX_FB_H |
2 | #define _LINUX_FB_H |
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3 | |||
6936 | serge | 4 | #include |
5 | #include |
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1408 | serge | 6 | |
1964 | serge | 7 | #define FBIO_CURSOR _IOWR('F', 0x08, struct fb_cursor_user) |
1408 | serge | 8 | |
6936 | serge | 9 | #include |
10 | #include |
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11 | #include |
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12 | #include |
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1408 | serge | 13 | #include |
6936 | serge | 14 | #include |
1970 | serge | 15 | #include |
6936 | serge | 16 | #include |
1408 | serge | 17 | |
1964 | serge | 18 | struct vm_area_struct; |
19 | struct fb_info; |
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20 | struct device; |
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21 | struct file; |
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5056 | serge | 22 | struct videomode; |
23 | struct device_node; |
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1408 | serge | 24 | |
25 | /* Definitions below are used in the parsed monitor specs */ |
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26 | #define FB_DPMS_ACTIVE_OFF 1 |
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27 | #define FB_DPMS_SUSPEND 2 |
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28 | #define FB_DPMS_STANDBY 4 |
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29 | |||
30 | #define FB_DISP_DDI 1 |
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31 | #define FB_DISP_ANA_700_300 2 |
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32 | #define FB_DISP_ANA_714_286 4 |
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33 | #define FB_DISP_ANA_1000_400 8 |
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34 | #define FB_DISP_ANA_700_000 16 |
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35 | |||
36 | #define FB_DISP_MONO 32 |
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37 | #define FB_DISP_RGB 64 |
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38 | #define FB_DISP_MULTI 128 |
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39 | #define FB_DISP_UNKNOWN 256 |
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40 | |||
41 | #define FB_SIGNAL_NONE 0 |
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42 | #define FB_SIGNAL_BLANK_BLANK 1 |
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43 | #define FB_SIGNAL_SEPARATE 2 |
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44 | #define FB_SIGNAL_COMPOSITE 4 |
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45 | #define FB_SIGNAL_SYNC_ON_GREEN 8 |
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46 | #define FB_SIGNAL_SERRATION_ON 16 |
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47 | |||
48 | #define FB_MISC_PRIM_COLOR 1 |
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49 | #define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */ |
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5056 | serge | 50 | #define FB_MISC_HDMI 4 |
1408 | serge | 51 | struct fb_chroma { |
52 | __u32 redx; /* in fraction of 1024 */ |
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53 | __u32 greenx; |
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54 | __u32 bluex; |
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55 | __u32 whitex; |
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56 | __u32 redy; |
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57 | __u32 greeny; |
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58 | __u32 bluey; |
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59 | __u32 whitey; |
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60 | }; |
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61 | |||
62 | struct fb_monspecs { |
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63 | struct fb_chroma chroma; |
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64 | struct fb_videomode *modedb; /* mode database */ |
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65 | __u8 manufacturer[4]; /* Manufacturer */ |
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66 | __u8 monitor[14]; /* Monitor String */ |
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67 | __u8 serial_no[14]; /* Serial Number */ |
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68 | __u8 ascii[14]; /* ? */ |
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69 | __u32 modedb_len; /* mode database length */ |
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70 | __u32 model; /* Monitor Model */ |
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71 | __u32 serial; /* Serial Number - Integer */ |
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72 | __u32 year; /* Year manufactured */ |
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73 | __u32 week; /* Week Manufactured */ |
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74 | __u32 hfmin; /* hfreq lower limit (Hz) */ |
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75 | __u32 hfmax; /* hfreq upper limit (Hz) */ |
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76 | __u32 dclkmin; /* pixelclock lower limit (Hz) */ |
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77 | __u32 dclkmax; /* pixelclock upper limit (Hz) */ |
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78 | __u16 input; /* display type - see FB_DISP_* */ |
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79 | __u16 dpms; /* DPMS support - see FB_DPMS_ */ |
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80 | __u16 signal; /* Signal Type - see FB_SIGNAL_* */ |
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81 | __u16 vfmin; /* vfreq lower limit (Hz) */ |
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82 | __u16 vfmax; /* vfreq upper limit (Hz) */ |
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83 | __u16 gamma; /* Gamma - in fractions of 100 */ |
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84 | __u16 gtf : 1; /* supports GTF */ |
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85 | __u16 misc; /* Misc flags - see FB_MISC_* */ |
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86 | __u8 version; /* EDID version... */ |
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87 | __u8 revision; /* ...and revision */ |
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88 | __u8 max_x; /* Maximum horizontal size (cm) */ |
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89 | __u8 max_y; /* Maximum vertical size (cm) */ |
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90 | }; |
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91 | |||
92 | struct fb_cmap_user { |
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93 | __u32 start; /* First entry */ |
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94 | __u32 len; /* Number of entries */ |
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95 | __u16 __user *red; /* Red values */ |
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96 | __u16 __user *green; |
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97 | __u16 __user *blue; |
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98 | __u16 __user *transp; /* transparency, can be NULL */ |
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99 | }; |
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100 | |||
101 | struct fb_image_user { |
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102 | __u32 dx; /* Where to place image */ |
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103 | __u32 dy; |
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104 | __u32 width; /* Size of image */ |
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105 | __u32 height; |
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106 | __u32 fg_color; /* Only used when a mono bitmap */ |
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107 | __u32 bg_color; |
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108 | __u8 depth; /* Depth of the image */ |
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109 | const char __user *data; /* Pointer to image data */ |
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110 | struct fb_cmap_user cmap; /* color map info */ |
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111 | }; |
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112 | |||
113 | struct fb_cursor_user { |
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114 | __u16 set; /* what to set */ |
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115 | __u16 enable; /* cursor on/off */ |
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116 | __u16 rop; /* bitop operation */ |
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117 | const char __user *mask; /* cursor mask bits */ |
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118 | struct fbcurpos hot; /* cursor hot spot */ |
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119 | struct fb_image_user image; /* Cursor image */ |
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120 | }; |
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121 | |||
122 | /* |
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123 | * Register/unregister for framebuffer events |
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124 | */ |
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125 | |||
6102 | serge | 126 | /* The resolution of the passed in fb_info about to change */ |
1408 | serge | 127 | #define FB_EVENT_MODE_CHANGE 0x01 |
128 | /* The display on this fb_info is beeing suspended, no access to the |
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129 | * framebuffer is allowed any more after that call returns |
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130 | */ |
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131 | #define FB_EVENT_SUSPEND 0x02 |
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132 | /* The display on this fb_info was resumed, you can restore the display |
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133 | * if you own it |
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134 | */ |
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135 | #define FB_EVENT_RESUME 0x03 |
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136 | /* An entry from the modelist was removed */ |
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137 | #define FB_EVENT_MODE_DELETE 0x04 |
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138 | /* A driver registered itself */ |
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139 | #define FB_EVENT_FB_REGISTERED 0x05 |
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140 | /* A driver unregistered itself */ |
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141 | #define FB_EVENT_FB_UNREGISTERED 0x06 |
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142 | /* CONSOLE-SPECIFIC: get console to framebuffer mapping */ |
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143 | #define FB_EVENT_GET_CONSOLE_MAP 0x07 |
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144 | /* CONSOLE-SPECIFIC: set console to framebuffer mapping */ |
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145 | #define FB_EVENT_SET_CONSOLE_MAP 0x08 |
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1970 | serge | 146 | /* A hardware display blank change occurred */ |
1408 | serge | 147 | #define FB_EVENT_BLANK 0x09 |
148 | /* Private modelist is to be replaced */ |
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149 | #define FB_EVENT_NEW_MODELIST 0x0A |
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150 | /* The resolution of the passed in fb_info about to change and |
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151 | all vc's should be changed */ |
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152 | #define FB_EVENT_MODE_CHANGE_ALL 0x0B |
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1970 | serge | 153 | /* A software display blank change occurred */ |
1408 | serge | 154 | #define FB_EVENT_CONBLANK 0x0C |
155 | /* Get drawing requirements */ |
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156 | #define FB_EVENT_GET_REQ 0x0D |
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157 | /* Unbind from the console if possible */ |
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158 | #define FB_EVENT_FB_UNBIND 0x0E |
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6102 | serge | 159 | /* CONSOLE-SPECIFIC: remap all consoles to new fb - for vga_switcheroo */ |
1964 | serge | 160 | #define FB_EVENT_REMAP_ALL_CONSOLE 0x0F |
3031 | serge | 161 | /* A hardware display blank early change occured */ |
162 | #define FB_EARLY_EVENT_BLANK 0x10 |
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163 | /* A hardware display blank revert early change occured */ |
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164 | #define FB_R_EARLY_EVENT_BLANK 0x11 |
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1408 | serge | 165 | |
166 | struct fb_event { |
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167 | struct fb_info *info; |
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168 | void *data; |
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169 | }; |
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170 | |||
171 | struct fb_blit_caps { |
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172 | u32 x; |
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173 | u32 y; |
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174 | u32 len; |
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175 | u32 flags; |
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176 | }; |
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177 | |||
6936 | serge | 178 | #ifdef CONFIG_FB_NOTIFY |
179 | extern int fb_register_client(struct notifier_block *nb); |
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180 | extern int fb_unregister_client(struct notifier_block *nb); |
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3120 | serge | 181 | extern int fb_notifier_call_chain(unsigned long val, void *v); |
6936 | serge | 182 | #else |
183 | static inline int fb_register_client(struct notifier_block *nb) |
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184 | { |
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185 | return 0; |
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186 | }; |
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187 | |||
188 | static inline int fb_unregister_client(struct notifier_block *nb) |
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189 | { |
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190 | return 0; |
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191 | }; |
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192 | |||
193 | static inline int fb_notifier_call_chain(unsigned long val, void *v) |
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194 | { |
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195 | return 0; |
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196 | }; |
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197 | #endif |
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198 | |||
1408 | serge | 199 | /* |
200 | * Pixmap structure definition |
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201 | * |
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202 | * The purpose of this structure is to translate data |
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203 | * from the hardware independent format of fbdev to what |
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204 | * format the hardware needs. |
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205 | */ |
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206 | |||
207 | #define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */ |
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208 | #define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */ |
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209 | #define FB_PIXMAP_IO 4 /* memory is iomapped */ |
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210 | #define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */ |
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211 | |||
212 | struct fb_pixmap { |
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213 | u8 *addr; /* pointer to memory */ |
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214 | u32 size; /* size of buffer in bytes */ |
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215 | u32 offset; /* current offset to buffer */ |
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216 | u32 buf_align; /* byte alignment of each bitmap */ |
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217 | u32 scan_align; /* alignment per scanline */ |
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218 | u32 access_align; /* alignment per read/write (bits) */ |
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219 | u32 flags; /* see FB_PIXMAP_* */ |
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220 | u32 blit_x; /* supported bit block dimensions (1-32)*/ |
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221 | u32 blit_y; /* Format: blit_x = 1 << (width - 1) */ |
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222 | /* blit_y = 1 << (height - 1) */ |
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223 | /* if 0, will be set to 0xffffffff (all)*/ |
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224 | /* access methods */ |
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225 | void (*writeio)(struct fb_info *info, void __iomem *dst, void *src, unsigned int size); |
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226 | void (*readio) (struct fb_info *info, void *dst, void __iomem *src, unsigned int size); |
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227 | }; |
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228 | |||
229 | #ifdef CONFIG_FB_DEFERRED_IO |
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230 | struct fb_deferred_io { |
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231 | /* delay between mkwrite and deferred handler */ |
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232 | unsigned long delay; |
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233 | struct mutex lock; /* mutex that protects the page list */ |
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234 | struct list_head pagelist; /* list of touched pages */ |
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235 | /* callback */ |
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3031 | serge | 236 | void (*first_io)(struct fb_info *info); |
1408 | serge | 237 | void (*deferred_io)(struct fb_info *info, struct list_head *pagelist); |
238 | }; |
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239 | #endif |
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240 | |||
241 | /* |
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242 | * Frame buffer operations |
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243 | * |
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244 | * LOCKING NOTE: those functions must _ALL_ be called with the console |
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245 | * semaphore held, this is the only suitable locking mechanism we have |
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246 | * in 2.6. Some may be called at interrupt time at this point though. |
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1964 | serge | 247 | * |
248 | * The exception to this is the debug related hooks. Putting the fb |
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249 | * into a debug state (e.g. flipping to the kernel console) and restoring |
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250 | * it must be done in a lock-free manner, so low level drivers should |
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251 | * keep track of the initial console (if applicable) and may need to |
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252 | * perform direct, unlocked hardware writes in these hooks. |
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1408 | serge | 253 | */ |
254 | |||
255 | struct fb_ops { |
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256 | /* open/release and usage marking */ |
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257 | struct module *owner; |
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258 | int (*fb_open)(struct fb_info *info, int user); |
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259 | int (*fb_release)(struct fb_info *info, int user); |
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260 | |||
261 | /* For framebuffers with strange non linear layouts or that do not |
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262 | * work with normal memory mapped access |
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263 | */ |
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264 | ssize_t (*fb_read)(struct fb_info *info, char __user *buf, |
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265 | size_t count, loff_t *ppos); |
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266 | ssize_t (*fb_write)(struct fb_info *info, const char __user *buf, |
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267 | size_t count, loff_t *ppos); |
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268 | |||
269 | /* checks var and eventually tweaks it to something supported, |
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270 | * DO NOT MODIFY PAR */ |
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271 | int (*fb_check_var)(struct fb_var_screeninfo *var, struct fb_info *info); |
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272 | |||
273 | /* set the video mode according to info->var */ |
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274 | int (*fb_set_par)(struct fb_info *info); |
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275 | |||
276 | /* set color register */ |
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277 | int (*fb_setcolreg)(unsigned regno, unsigned red, unsigned green, |
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278 | unsigned blue, unsigned transp, struct fb_info *info); |
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279 | |||
280 | /* set color registers in batch */ |
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281 | int (*fb_setcmap)(struct fb_cmap *cmap, struct fb_info *info); |
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282 | |||
283 | /* blank display */ |
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284 | int (*fb_blank)(int blank, struct fb_info *info); |
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285 | |||
286 | /* pan display */ |
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287 | int (*fb_pan_display)(struct fb_var_screeninfo *var, struct fb_info *info); |
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288 | |||
289 | /* Draws a rectangle */ |
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290 | void (*fb_fillrect) (struct fb_info *info, const struct fb_fillrect *rect); |
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291 | /* Copy data from area to another */ |
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292 | void (*fb_copyarea) (struct fb_info *info, const struct fb_copyarea *region); |
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293 | /* Draws a image to the display */ |
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294 | void (*fb_imageblit) (struct fb_info *info, const struct fb_image *image); |
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295 | |||
296 | /* Draws cursor */ |
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297 | int (*fb_cursor) (struct fb_info *info, struct fb_cursor *cursor); |
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298 | |||
299 | /* wait for blit idle, optional */ |
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300 | int (*fb_sync)(struct fb_info *info); |
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301 | |||
302 | /* perform fb specific ioctl (optional) */ |
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303 | int (*fb_ioctl)(struct fb_info *info, unsigned int cmd, |
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304 | unsigned long arg); |
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305 | |||
306 | /* Handle 32bit compat ioctl (optional) */ |
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307 | int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd, |
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308 | unsigned long arg); |
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309 | |||
310 | /* perform fb specific mmap */ |
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311 | // int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma); |
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312 | |||
313 | /* get capability given var */ |
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314 | void (*fb_get_caps)(struct fb_info *info, struct fb_blit_caps *caps, |
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315 | struct fb_var_screeninfo *var); |
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316 | |||
317 | /* teardown any resources to do with this framebuffer */ |
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318 | void (*fb_destroy)(struct fb_info *info); |
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5056 | serge | 319 | |
320 | /* called at KDB enter and leave time to prepare the console */ |
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321 | int (*fb_debug_enter)(struct fb_info *info); |
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322 | int (*fb_debug_leave)(struct fb_info *info); |
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1408 | serge | 323 | }; |
324 | |||
325 | #ifdef CONFIG_FB_TILEBLITTING |
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326 | #define FB_TILE_CURSOR_NONE 0 |
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327 | #define FB_TILE_CURSOR_UNDERLINE 1 |
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328 | #define FB_TILE_CURSOR_LOWER_THIRD 2 |
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329 | #define FB_TILE_CURSOR_LOWER_HALF 3 |
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330 | #define FB_TILE_CURSOR_TWO_THIRDS 4 |
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331 | #define FB_TILE_CURSOR_BLOCK 5 |
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332 | |||
333 | struct fb_tilemap { |
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334 | __u32 width; /* width of each tile in pixels */ |
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335 | __u32 height; /* height of each tile in scanlines */ |
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336 | __u32 depth; /* color depth of each tile */ |
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337 | __u32 length; /* number of tiles in the map */ |
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338 | const __u8 *data; /* actual tile map: a bitmap array, packed |
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339 | to the nearest byte */ |
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340 | }; |
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341 | |||
342 | struct fb_tilerect { |
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343 | __u32 sx; /* origin in the x-axis */ |
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344 | __u32 sy; /* origin in the y-axis */ |
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345 | __u32 width; /* number of tiles in the x-axis */ |
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346 | __u32 height; /* number of tiles in the y-axis */ |
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347 | __u32 index; /* what tile to use: index to tile map */ |
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348 | __u32 fg; /* foreground color */ |
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349 | __u32 bg; /* background color */ |
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350 | __u32 rop; /* raster operation */ |
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351 | }; |
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352 | |||
353 | struct fb_tilearea { |
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354 | __u32 sx; /* source origin in the x-axis */ |
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355 | __u32 sy; /* source origin in the y-axis */ |
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356 | __u32 dx; /* destination origin in the x-axis */ |
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357 | __u32 dy; /* destination origin in the y-axis */ |
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358 | __u32 width; /* number of tiles in the x-axis */ |
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359 | __u32 height; /* number of tiles in the y-axis */ |
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360 | }; |
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361 | |||
362 | struct fb_tileblit { |
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363 | __u32 sx; /* origin in the x-axis */ |
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364 | __u32 sy; /* origin in the y-axis */ |
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365 | __u32 width; /* number of tiles in the x-axis */ |
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366 | __u32 height; /* number of tiles in the y-axis */ |
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367 | __u32 fg; /* foreground color */ |
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368 | __u32 bg; /* background color */ |
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369 | __u32 length; /* number of tiles to draw */ |
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370 | __u32 *indices; /* array of indices to tile map */ |
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371 | }; |
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372 | |||
373 | struct fb_tilecursor { |
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374 | __u32 sx; /* cursor position in the x-axis */ |
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375 | __u32 sy; /* cursor position in the y-axis */ |
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376 | __u32 mode; /* 0 = erase, 1 = draw */ |
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377 | __u32 shape; /* see FB_TILE_CURSOR_* */ |
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378 | __u32 fg; /* foreground color */ |
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379 | __u32 bg; /* background color */ |
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380 | }; |
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381 | |||
382 | struct fb_tile_ops { |
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383 | /* set tile characteristics */ |
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384 | void (*fb_settile)(struct fb_info *info, struct fb_tilemap *map); |
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385 | |||
386 | /* all dimensions from hereon are in terms of tiles */ |
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387 | |||
388 | /* move a rectangular region of tiles from one area to another*/ |
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389 | void (*fb_tilecopy)(struct fb_info *info, struct fb_tilearea *area); |
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390 | /* fill a rectangular region with a tile */ |
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391 | void (*fb_tilefill)(struct fb_info *info, struct fb_tilerect *rect); |
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392 | /* copy an array of tiles */ |
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393 | void (*fb_tileblit)(struct fb_info *info, struct fb_tileblit *blit); |
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394 | /* cursor */ |
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395 | void (*fb_tilecursor)(struct fb_info *info, |
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396 | struct fb_tilecursor *cursor); |
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397 | /* get maximum length of the tile map */ |
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398 | int (*fb_get_tilemax)(struct fb_info *info); |
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399 | }; |
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400 | #endif /* CONFIG_FB_TILEBLITTING */ |
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401 | |||
402 | /* FBINFO_* = fb_info.flags bit flags */ |
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403 | #define FBINFO_MODULE 0x0001 /* Low-level driver is a module */ |
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404 | #define FBINFO_HWACCEL_DISABLED 0x0002 |
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405 | /* When FBINFO_HWACCEL_DISABLED is set: |
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406 | * Hardware acceleration is turned off. Software implementations |
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407 | * of required functions (copyarea(), fillrect(), and imageblit()) |
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408 | * takes over; acceleration engine should be in a quiescent state */ |
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409 | |||
410 | /* hints */ |
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1964 | serge | 411 | #define FBINFO_VIRTFB 0x0004 /* FB is System RAM, not device. */ |
1408 | serge | 412 | #define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */ |
413 | #define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */ |
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414 | |||
415 | /* hardware supported ops */ |
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416 | /* semantics: when a bit is set, it indicates that the operation is |
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417 | * accelerated by hardware. |
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418 | * required functions will still work even if the bit is not set. |
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419 | * optional functions may not even exist if the flag bit is not set. |
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420 | */ |
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421 | #define FBINFO_HWACCEL_NONE 0x0000 |
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422 | #define FBINFO_HWACCEL_COPYAREA 0x0100 /* required */ |
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423 | #define FBINFO_HWACCEL_FILLRECT 0x0200 /* required */ |
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424 | #define FBINFO_HWACCEL_IMAGEBLIT 0x0400 /* required */ |
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425 | #define FBINFO_HWACCEL_ROTATE 0x0800 /* optional */ |
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426 | #define FBINFO_HWACCEL_XPAN 0x1000 /* optional */ |
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427 | #define FBINFO_HWACCEL_YPAN 0x2000 /* optional */ |
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428 | #define FBINFO_HWACCEL_YWRAP 0x4000 /* optional */ |
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429 | |||
430 | #define FBINFO_MISC_USEREVENT 0x10000 /* event request |
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431 | from userspace */ |
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432 | #define FBINFO_MISC_TILEBLITTING 0x20000 /* use tile blitting */ |
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433 | |||
434 | /* A driver may set this flag to indicate that it does want a set_par to be |
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435 | * called every time when fbcon_switch is executed. The advantage is that with |
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436 | * this flag set you can really be sure that set_par is always called before |
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1970 | serge | 437 | * any of the functions dependent on the correct hardware state or altering |
1408 | serge | 438 | * that state, even if you are using some broken X releases. The disadvantage |
439 | * is that it introduces unwanted delays to every console switch if set_par |
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440 | * is slow. It is a good idea to try this flag in the drivers initialization |
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441 | * code whenever there is a bug report related to switching between X and the |
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442 | * framebuffer console. |
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443 | */ |
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444 | #define FBINFO_MISC_ALWAYS_SETPAR 0x40000 |
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445 | |||
1964 | serge | 446 | /* where the fb is a firmware driver, and can be replaced with a proper one */ |
447 | #define FBINFO_MISC_FIRMWARE 0x80000 |
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1408 | serge | 448 | /* |
449 | * Host and GPU endianness differ. |
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450 | */ |
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451 | #define FBINFO_FOREIGN_ENDIAN 0x100000 |
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452 | /* |
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453 | * Big endian math. This is the same flags as above, but with different |
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454 | * meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag |
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455 | * and host endianness. Drivers should not use this flag. |
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456 | */ |
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457 | #define FBINFO_BE_MATH 0x100000 |
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458 | |||
1964 | serge | 459 | /* report to the VT layer that this fb driver can accept forced console |
460 | output like oopses */ |
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461 | #define FBINFO_CAN_FORCE_OUTPUT 0x200000 |
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462 | |||
1408 | serge | 463 | struct fb_info { |
1970 | serge | 464 | atomic_t count; |
1408 | serge | 465 | int node; |
466 | int flags; |
||
1964 | serge | 467 | struct mutex lock; /* Lock for open/release/ioctl funcs */ |
468 | struct mutex mm_lock; /* Lock for fb_mmap and smem_* fields */ |
||
6102 | serge | 469 | struct fb_var_screeninfo var; /* Current var */ |
470 | struct fb_fix_screeninfo fix; /* Current fix */ |
||
1408 | serge | 471 | struct fb_monspecs monspecs; /* Current Monitor specs */ |
472 | // struct work_struct queue; /* Framebuffer event queue */ |
||
473 | // struct fb_pixmap pixmap; /* Image hardware mapper */ |
||
474 | // struct fb_pixmap sprite; /* Cursor hardware mapper */ |
||
475 | // struct fb_cmap cmap; /* Current cmap */ |
||
476 | struct list_head modelist; /* mode list */ |
||
477 | struct fb_videomode *mode; /* current mode */ |
||
478 | |||
479 | #ifdef CONFIG_FB_BACKLIGHT |
||
480 | /* assigned backlight device */ |
||
6102 | serge | 481 | /* set before framebuffer registration, |
1408 | serge | 482 | remove after unregister */ |
483 | struct backlight_device *bl_dev; |
||
484 | |||
485 | /* Backlight level curve */ |
||
6102 | serge | 486 | struct mutex bl_curve_mutex; |
1408 | serge | 487 | u8 bl_curve[FB_BACKLIGHT_LEVELS]; |
488 | #endif |
||
489 | #ifdef CONFIG_FB_DEFERRED_IO |
||
490 | struct delayed_work deferred_work; |
||
491 | struct fb_deferred_io *fbdefio; |
||
492 | #endif |
||
493 | |||
494 | struct fb_ops *fbops; |
||
1964 | serge | 495 | struct device *device; /* This is the parent */ |
496 | struct device *dev; /* This is this fb device */ |
||
1408 | serge | 497 | int class_flag; /* private sysfs flags */ |
498 | #ifdef CONFIG_FB_TILEBLITTING |
||
499 | struct fb_tile_ops *tileops; /* Tile Blitting */ |
||
500 | #endif |
||
6102 | serge | 501 | union { |
502 | char __iomem *screen_base; /* Virtual address */ |
||
503 | char *screen_buffer; |
||
504 | }; |
||
505 | unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */ |
||
506 | void *pseudo_palette; /* Fake palette of 16 colors */ |
||
1408 | serge | 507 | #define FBINFO_STATE_RUNNING 0 |
508 | #define FBINFO_STATE_SUSPENDED 1 |
||
509 | u32 state; /* Hardware state i.e suspend */ |
||
510 | void *fbcon_par; /* fbcon use-only private area */ |
||
511 | /* From here on everything is device dependent */ |
||
512 | void *par; |
||
1970 | serge | 513 | /* we need the PCI or similar aperture base/size not |
1408 | serge | 514 | smem_start/size as smem_start may just be an object |
515 | allocated inside the aperture so may not actually overlap */ |
||
1964 | serge | 516 | struct apertures_struct { |
517 | unsigned int count; |
||
518 | struct aperture { |
||
519 | resource_size_t base; |
||
520 | resource_size_t size; |
||
521 | } ranges[0]; |
||
522 | } *apertures; |
||
4279 | Serge | 523 | |
524 | bool skip_vt_switch; /* no VT switch on suspend/resume required */ |
||
1408 | serge | 525 | }; |
526 | |||
1964 | serge | 527 | static inline struct apertures_struct *alloc_apertures(unsigned int max_num) { |
528 | struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct) |
||
529 | + max_num * sizeof(struct aperture), GFP_KERNEL); |
||
530 | if (!a) |
||
531 | return NULL; |
||
532 | a->count = max_num; |
||
533 | return a; |
||
534 | } |
||
535 | |||
1408 | serge | 536 | #ifdef MODULE |
537 | #define FBINFO_DEFAULT FBINFO_MODULE |
||
538 | #else |
||
539 | #define FBINFO_DEFAULT 0 |
||
540 | #endif |
||
541 | |||
542 | // This will go away |
||
543 | #define FBINFO_FLAG_MODULE FBINFO_MODULE |
||
544 | #define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT |
||
545 | |||
546 | /* This will go away |
||
547 | * fbset currently hacks in FB_ACCELF_TEXT into var.accel_flags |
||
548 | * when it wants to turn the acceleration engine on. This is |
||
549 | * really a separate operation, and should be modified via sysfs. |
||
550 | * But for now, we leave it broken with the following define |
||
551 | */ |
||
552 | #define STUPID_ACCELF_TEXT_SHIT |
||
553 | |||
1964 | serge | 554 | // This will go away |
555 | #if defined(__sparc__) |
||
556 | |||
557 | /* We map all of our framebuffers such that big-endian accesses |
||
558 | * are what we want, so the following is sufficient. |
||
559 | */ |
||
560 | |||
561 | // This will go away |
||
562 | #define fb_readb sbus_readb |
||
563 | #define fb_readw sbus_readw |
||
564 | #define fb_readl sbus_readl |
||
565 | #define fb_readq sbus_readq |
||
566 | #define fb_writeb sbus_writeb |
||
567 | #define fb_writew sbus_writew |
||
568 | #define fb_writel sbus_writel |
||
569 | #define fb_writeq sbus_writeq |
||
570 | #define fb_memset sbus_memset_io |
||
571 | #define fb_memcpy_fromfb sbus_memcpy_fromio |
||
572 | #define fb_memcpy_tofb sbus_memcpy_toio |
||
573 | |||
5056 | serge | 574 | #elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__avr32__) || defined(__bfin__) || defined(__arm__) |
1964 | serge | 575 | |
576 | #define fb_readb __raw_readb |
||
577 | #define fb_readw __raw_readw |
||
578 | #define fb_readl __raw_readl |
||
579 | #define fb_readq __raw_readq |
||
580 | #define fb_writeb __raw_writeb |
||
581 | #define fb_writew __raw_writew |
||
582 | #define fb_writel __raw_writel |
||
583 | #define fb_writeq __raw_writeq |
||
584 | #define fb_memset memset_io |
||
585 | #define fb_memcpy_fromfb memcpy_fromio |
||
586 | #define fb_memcpy_tofb memcpy_toio |
||
587 | |||
588 | #else |
||
589 | |||
1408 | serge | 590 | #define fb_readb(addr) (*(volatile u8 *) (addr)) |
591 | #define fb_readw(addr) (*(volatile u16 *) (addr)) |
||
592 | #define fb_readl(addr) (*(volatile u32 *) (addr)) |
||
593 | #define fb_readq(addr) (*(volatile u64 *) (addr)) |
||
594 | #define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b)) |
||
595 | #define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b)) |
||
596 | #define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b)) |
||
597 | #define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b)) |
||
598 | #define fb_memset memset |
||
1964 | serge | 599 | #define fb_memcpy_fromfb memcpy |
600 | #define fb_memcpy_tofb memcpy |
||
1408 | serge | 601 | |
1964 | serge | 602 | #endif |
603 | |||
1408 | serge | 604 | #define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0) |
605 | #define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \ |
||
606 | (val) << (bits)) |
||
607 | #define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \ |
||
608 | (val) >> (bits)) |
||
609 | |||
610 | /* |
||
611 | * `Generic' versions of the frame buffer device operations |
||
612 | */ |
||
613 | |||
6102 | serge | 614 | extern int fb_set_var(struct fb_info *info, struct fb_var_screeninfo *var); |
615 | extern int fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var); |
||
1408 | serge | 616 | extern int fb_blank(struct fb_info *info, int blank); |
6102 | serge | 617 | extern void cfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect); |
618 | extern void cfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); |
||
1408 | serge | 619 | extern void cfb_imageblit(struct fb_info *info, const struct fb_image *image); |
620 | /* |
||
621 | * Drawing operations where framebuffer is in system RAM |
||
622 | */ |
||
623 | extern void sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect); |
||
624 | extern void sys_copyarea(struct fb_info *info, const struct fb_copyarea *area); |
||
625 | extern void sys_imageblit(struct fb_info *info, const struct fb_image *image); |
||
626 | extern ssize_t fb_sys_read(struct fb_info *info, char __user *buf, |
||
627 | size_t count, loff_t *ppos); |
||
628 | extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf, |
||
629 | size_t count, loff_t *ppos); |
||
630 | |||
631 | /* drivers/video/fbmem.c */ |
||
632 | extern int register_framebuffer(struct fb_info *fb_info); |
||
633 | extern int unregister_framebuffer(struct fb_info *fb_info); |
||
3031 | serge | 634 | extern int unlink_framebuffer(struct fb_info *fb_info); |
5056 | serge | 635 | extern int remove_conflicting_framebuffers(struct apertures_struct *a, |
6102 | serge | 636 | const char *name, bool primary); |
1408 | serge | 637 | extern int fb_prepare_logo(struct fb_info *fb_info, int rotate); |
638 | extern int fb_show_logo(struct fb_info *fb_info, int rotate); |
||
639 | extern char* fb_get_buffer_offset(struct fb_info *info, struct fb_pixmap *buf, u32 size); |
||
640 | extern void fb_pad_unaligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 idx, |
||
641 | u32 height, u32 shift_high, u32 shift_low, u32 mod); |
||
642 | extern void fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, u8 *src, u32 s_pitch, u32 height); |
||
643 | extern void fb_set_suspend(struct fb_info *info, int state); |
||
644 | extern int fb_get_color_depth(struct fb_var_screeninfo *var, |
||
645 | struct fb_fix_screeninfo *fix); |
||
4538 | Serge | 646 | extern int fb_get_options(const char *name, char **option); |
1408 | serge | 647 | extern int fb_new_modelist(struct fb_info *info); |
648 | |||
649 | extern struct fb_info *registered_fb[FB_MAX]; |
||
650 | extern int num_registered_fb; |
||
651 | extern struct class *fb_class; |
||
652 | |||
653 | extern int lock_fb_info(struct fb_info *info); |
||
654 | |||
655 | static inline void unlock_fb_info(struct fb_info *info) |
||
656 | { |
||
1964 | serge | 657 | mutex_unlock(&info->lock); |
1408 | serge | 658 | } |
659 | |||
660 | static inline void __fb_pad_aligned_buffer(u8 *dst, u32 d_pitch, |
||
661 | u8 *src, u32 s_pitch, u32 height) |
||
662 | { |
||
5056 | serge | 663 | u32 i, j; |
1408 | serge | 664 | |
665 | d_pitch -= s_pitch; |
||
666 | |||
667 | for (i = height; i--; ) { |
||
668 | /* s_pitch is a few bytes at the most, memcpy is suboptimal */ |
||
669 | for (j = 0; j < s_pitch; j++) |
||
670 | *dst++ = *src++; |
||
671 | dst += d_pitch; |
||
672 | } |
||
673 | } |
||
674 | |||
675 | /* drivers/video/fb_defio.c */ |
||
6936 | serge | 676 | extern void fb_deferred_io_init(struct fb_info *info); |
677 | extern void fb_deferred_io_open(struct fb_info *info, |
||
678 | struct inode *inode, |
||
679 | struct file *file); |
||
680 | extern void fb_deferred_io_cleanup(struct fb_info *info); |
||
681 | extern int fb_deferred_io_fsync(struct file *file, loff_t start, |
||
682 | loff_t end, int datasync); |
||
1408 | serge | 683 | |
684 | static inline bool fb_be_math(struct fb_info *info) |
||
685 | { |
||
686 | #ifdef CONFIG_FB_FOREIGN_ENDIAN |
||
687 | #if defined(CONFIG_FB_BOTH_ENDIAN) |
||
688 | return info->flags & FBINFO_BE_MATH; |
||
689 | #elif defined(CONFIG_FB_BIG_ENDIAN) |
||
690 | return true; |
||
691 | #elif defined(CONFIG_FB_LITTLE_ENDIAN) |
||
692 | return false; |
||
693 | #endif /* CONFIG_FB_BOTH_ENDIAN */ |
||
694 | #else |
||
695 | #ifdef __BIG_ENDIAN |
||
696 | return true; |
||
697 | #else |
||
698 | return false; |
||
699 | #endif /* __BIG_ENDIAN */ |
||
700 | #endif /* CONFIG_FB_FOREIGN_ENDIAN */ |
||
701 | } |
||
702 | |||
703 | /* drivers/video/fbsysfs.c */ |
||
6102 | serge | 704 | extern struct fb_info *framebuffer_alloc(size_t size, struct device *dev); |
705 | extern void framebuffer_release(struct fb_info *info); |
||
706 | extern int fb_init_device(struct fb_info *fb_info); |
||
707 | extern void fb_cleanup_device(struct fb_info *head); |
||
708 | extern void fb_bl_default_curve(struct fb_info *fb_info, u8 off, u8 min, u8 max); |
||
1408 | serge | 709 | |
710 | /* drivers/video/fbmon.c */ |
||
711 | #define FB_MAXTIMINGS 0 |
||
712 | #define FB_VSYNCTIMINGS 1 |
||
713 | #define FB_HSYNCTIMINGS 2 |
||
714 | #define FB_DCLKTIMINGS 3 |
||
715 | #define FB_IGNOREMON 0x100 |
||
716 | |||
717 | #define FB_MODE_IS_UNKNOWN 0 |
||
718 | #define FB_MODE_IS_DETAILED 1 |
||
719 | #define FB_MODE_IS_STANDARD 2 |
||
720 | #define FB_MODE_IS_VESA 4 |
||
721 | #define FB_MODE_IS_CALCULATED 8 |
||
722 | #define FB_MODE_IS_FIRST 16 |
||
723 | #define FB_MODE_IS_FROM_VAR 32 |
||
724 | |||
725 | extern int fbmon_dpms(const struct fb_info *fb_info); |
||
726 | extern int fb_get_mode(int flags, u32 val, struct fb_var_screeninfo *var, |
||
727 | struct fb_info *info); |
||
728 | extern int fb_validate_mode(const struct fb_var_screeninfo *var, |
||
729 | struct fb_info *info); |
||
730 | extern int fb_parse_edid(unsigned char *edid, struct fb_var_screeninfo *var); |
||
3120 | serge | 731 | extern const unsigned char *fb_firmware_edid(struct device *device); |
1408 | serge | 732 | extern void fb_edid_to_monspecs(unsigned char *edid, |
733 | struct fb_monspecs *specs); |
||
3120 | serge | 734 | extern void fb_edid_add_monspecs(unsigned char *edid, |
735 | struct fb_monspecs *specs); |
||
1408 | serge | 736 | extern void fb_destroy_modedb(struct fb_videomode *modedb); |
737 | extern int fb_find_mode_cvt(struct fb_videomode *mode, int margins, int rb); |
||
738 | extern unsigned char *fb_ddc_read(struct i2c_adapter *adapter); |
||
739 | |||
4279 | Serge | 740 | extern int of_get_fb_videomode(struct device_node *np, |
741 | struct fb_videomode *fb, |
||
742 | int index); |
||
743 | extern int fb_videomode_from_videomode(const struct videomode *vm, |
||
744 | struct fb_videomode *fbmode); |
||
745 | |||
1408 | serge | 746 | /* drivers/video/modedb.c */ |
6082 | serge | 747 | #define VESA_MODEDB_SIZE 43 |
748 | #define DMT_SIZE 0x50 |
||
749 | |||
1408 | serge | 750 | extern void fb_var_to_videomode(struct fb_videomode *mode, |
751 | const struct fb_var_screeninfo *var); |
||
752 | extern void fb_videomode_to_var(struct fb_var_screeninfo *var, |
||
753 | const struct fb_videomode *mode); |
||
754 | extern int fb_mode_is_equal(const struct fb_videomode *mode1, |
||
755 | const struct fb_videomode *mode2); |
||
756 | extern int fb_add_videomode(const struct fb_videomode *mode, |
||
757 | struct list_head *head); |
||
758 | extern void fb_delete_videomode(const struct fb_videomode *mode, |
||
759 | struct list_head *head); |
||
760 | extern const struct fb_videomode *fb_match_mode(const struct fb_var_screeninfo *var, |
||
761 | struct list_head *head); |
||
762 | extern const struct fb_videomode *fb_find_best_mode(const struct fb_var_screeninfo *var, |
||
763 | struct list_head *head); |
||
764 | extern const struct fb_videomode *fb_find_nearest_mode(const struct fb_videomode *mode, |
||
765 | struct list_head *head); |
||
766 | extern void fb_destroy_modelist(struct list_head *head); |
||
767 | extern void fb_videomode_to_modelist(const struct fb_videomode *modedb, int num, |
||
768 | struct list_head *head); |
||
769 | extern const struct fb_videomode *fb_find_best_display(const struct fb_monspecs *specs, |
||
770 | struct list_head *head); |
||
771 | |||
772 | /* drivers/video/fbcmap.c */ |
||
773 | extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp); |
||
3031 | serge | 774 | extern int fb_alloc_cmap_gfp(struct fb_cmap *cmap, int len, int transp, gfp_t flags); |
1408 | serge | 775 | extern void fb_dealloc_cmap(struct fb_cmap *cmap); |
776 | extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to); |
||
777 | extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to); |
||
778 | extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info); |
||
779 | extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info); |
||
780 | extern const struct fb_cmap *fb_default_cmap(int len); |
||
781 | extern void fb_invert_cmaps(void); |
||
782 | |||
783 | struct fb_videomode { |
||
784 | const char *name; /* optional */ |
||
785 | u32 refresh; /* optional */ |
||
786 | u32 xres; |
||
787 | u32 yres; |
||
788 | u32 pixclock; |
||
789 | u32 left_margin; |
||
790 | u32 right_margin; |
||
791 | u32 upper_margin; |
||
792 | u32 lower_margin; |
||
793 | u32 hsync_len; |
||
794 | u32 vsync_len; |
||
795 | u32 sync; |
||
796 | u32 vmode; |
||
797 | u32 flag; |
||
798 | }; |
||
799 | |||
6082 | serge | 800 | struct dmt_videomode { |
801 | u32 dmt_id; |
||
802 | u32 std_2byte_code; |
||
803 | u32 cvt_3byte_code; |
||
804 | const struct fb_videomode *mode; |
||
805 | }; |
||
806 | |||
1408 | serge | 807 | extern const char *fb_mode_option; |
808 | extern const struct fb_videomode vesa_modes[]; |
||
6102 | serge | 809 | extern const struct fb_videomode cea_modes[65]; |
6082 | serge | 810 | extern const struct dmt_videomode dmt_modes[]; |
1408 | serge | 811 | |
812 | struct fb_modelist { |
||
813 | struct list_head list; |
||
814 | struct fb_videomode mode; |
||
815 | }; |
||
816 | |||
817 | extern int fb_find_mode(struct fb_var_screeninfo *var, |
||
818 | struct fb_info *info, const char *mode_option, |
||
819 | const struct fb_videomode *db, |
||
820 | unsigned int dbsize, |
||
821 | const struct fb_videomode *default_mode, |
||
822 | unsigned int default_bpp); |
||
823 | |||
6082 | serge | 824 | /* Convenience logging macros */ |
825 | #define fb_err(fb_info, fmt, ...) \ |
||
826 | pr_err("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) |
||
827 | #define fb_notice(info, fmt, ...) \ |
||
828 | pr_notice("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) |
||
829 | #define fb_warn(fb_info, fmt, ...) \ |
||
830 | pr_warn("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) |
||
831 | #define fb_info(fb_info, fmt, ...) \ |
||
832 | pr_info("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) |
||
833 | #define fb_dbg(fb_info, fmt, ...) \ |
||
834 | pr_debug("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__) |
||
835 | |||
1408 | serge | 836 | #endif /* _LINUX_FB_H */>><>><>><>><> |