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Rev | Author | Line No. | Line |
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1363 | vana | 1 | /* |
2 | * Copyright (C) 2006 Jakub Vana |
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1404 | palkovsky | 3 | * Copyright (C) 2006 Ondrej Palkovsky |
1363 | vana | 4 | * All rights reserved. |
5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions |
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8 | * are met: |
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9 | * |
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10 | * - Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * - Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * - The name of the author may not be used to endorse or promote products |
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16 | * derived from this software without specific prior written permission. |
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17 | * |
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18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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28 | */ |
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29 | |||
1430 | jermar | 30 | #include <stdlib.h> |
31 | #include <unistd.h> |
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32 | #include <string.h> |
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1363 | vana | 33 | #include <ddi.h> |
34 | #include <sysinfo.h> |
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35 | #include <align.h> |
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36 | #include <as.h> |
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37 | #include <ipc/fb.h> |
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38 | #include <ipc/ipc.h> |
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1430 | jermar | 39 | #include <ipc/ns.h> |
1363 | vana | 40 | #include <ipc/services.h> |
41 | #include <kernel/errno.h> |
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1392 | palkovsky | 42 | #include <async.h> |
1404 | palkovsky | 43 | #include "font-8x16.h" |
44 | #include "helenos.xbm" |
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1363 | vana | 45 | #include "fb.h" |
46 | |||
1485 | palkovsky | 47 | #define DEFAULT_BGCOLOR 0x000080 |
48 | #define DEFAULT_FGCOLOR 0xffff00 |
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1363 | vana | 49 | |
50 | /***************************************************************/ |
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51 | /* Pixel specific fuctions */ |
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52 | |||
1485 | palkovsky | 53 | typedef void (*putpixel_fn_t)(unsigned int x, unsigned int y, int color); |
54 | typedef int (*getpixel_fn_t)(unsigned int x, unsigned int y); |
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1363 | vana | 55 | |
1485 | palkovsky | 56 | struct { |
1363 | vana | 57 | __u8 *fbaddress ; |
58 | |||
59 | unsigned int xres ; |
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60 | unsigned int yres ; |
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61 | unsigned int scanline ; |
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62 | unsigned int pixelbytes ; |
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63 | |||
64 | putpixel_fn_t putpixel; |
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65 | getpixel_fn_t getpixel; |
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1485 | palkovsky | 66 | } screen; |
1363 | vana | 67 | |
1485 | palkovsky | 68 | typedef struct { |
69 | int initialized; |
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70 | unsigned int x, y; |
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71 | unsigned int width, height; |
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1363 | vana | 72 | |
1485 | palkovsky | 73 | /* Text support in window */ |
74 | unsigned int rows, cols; |
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75 | /* Style for text printing */ |
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76 | int bgcolor, fgcolor; |
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77 | /* Auto-cursor position */ |
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1486 | palkovsky | 78 | int cursor_active, cur_col, cur_row; |
1485 | palkovsky | 79 | } viewport_t; |
1363 | vana | 80 | |
1485 | palkovsky | 81 | #define MAX_VIEWPORTS 128 |
82 | static viewport_t viewports[128]; |
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83 | |||
84 | /* Allow only 1 connection */ |
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85 | static int client_connected = 0; |
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86 | |||
1363 | vana | 87 | #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
88 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
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89 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
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90 | |||
1485 | palkovsky | 91 | #define COL_WIDTH 8 |
92 | #define ROW_BYTES (screen.scanline * FONT_SCANLINES) |
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1363 | vana | 93 | |
1485 | palkovsky | 94 | #define POINTPOS(x, y) ((y) * screen.scanline + (x) * screen.pixelbytes) |
1363 | vana | 95 | |
96 | /** Put pixel - 24-bit depth, 1 free byte */ |
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1485 | palkovsky | 97 | static void putpixel_4byte(unsigned int x, unsigned int y, int color) |
1363 | vana | 98 | { |
1485 | palkovsky | 99 | *((__u32 *)(screen.fbaddress + POINTPOS(x, y))) = color; |
1363 | vana | 100 | } |
101 | |||
102 | /** Return pixel color - 24-bit depth, 1 free byte */ |
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1485 | palkovsky | 103 | static int getpixel_4byte(unsigned int x, unsigned int y) |
1363 | vana | 104 | { |
1485 | palkovsky | 105 | return *((__u32 *)(screen.fbaddress + POINTPOS(x, y))) & 0xffffff; |
1363 | vana | 106 | } |
107 | |||
108 | /** Put pixel - 24-bit depth */ |
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1485 | palkovsky | 109 | static void putpixel_3byte(unsigned int x, unsigned int y, int color) |
1363 | vana | 110 | { |
111 | unsigned int startbyte = POINTPOS(x, y); |
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112 | |||
113 | #if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN)) |
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1485 | palkovsky | 114 | screen.fbaddress[startbyte] = RED(color, 8); |
115 | screen.fbaddress[startbyte + 1] = GREEN(color, 8); |
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116 | screen.fbaddress[startbyte + 2] = BLUE(color, 8); |
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1363 | vana | 117 | #else |
1485 | palkovsky | 118 | screen.fbaddress[startbyte + 2] = RED(color, 8); |
119 | screen.fbaddress[startbyte + 1] = GREEN(color, 8); |
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120 | screen.fbaddress[startbyte + 0] = BLUE(color, 8); |
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1363 | vana | 121 | #endif |
122 | |||
123 | } |
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124 | |||
125 | /** Return pixel color - 24-bit depth */ |
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1485 | palkovsky | 126 | static int getpixel_3byte(unsigned int x, unsigned int y) |
1363 | vana | 127 | { |
128 | unsigned int startbyte = POINTPOS(x, y); |
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129 | |||
130 | |||
131 | |||
132 | #if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN)) |
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1485 | palkovsky | 133 | return screen.fbaddress[startbyte] << 16 | screen.fbaddress[startbyte + 1] << 8 | screen.fbaddress[startbyte + 2]; |
1363 | vana | 134 | #else |
1485 | palkovsky | 135 | return screen.fbaddress[startbyte + 2] << 16 | screen.fbaddress[startbyte + 1] << 8 | screen.fbaddress[startbyte + 0]; |
1363 | vana | 136 | #endif |
137 | |||
138 | |||
139 | } |
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140 | |||
141 | /** Put pixel - 16-bit depth (5:6:5) */ |
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1485 | palkovsky | 142 | static void putpixel_2byte(unsigned int x, unsigned int y, int color) |
1363 | vana | 143 | { |
144 | /* 5-bit, 6-bits, 5-bits */ |
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1485 | palkovsky | 145 | *((__u16 *)(screen.fbaddress + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5); |
1363 | vana | 146 | } |
147 | |||
148 | /** Return pixel color - 16-bit depth (5:6:5) */ |
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1485 | palkovsky | 149 | static int getpixel_2byte(unsigned int x, unsigned int y) |
1363 | vana | 150 | { |
1485 | palkovsky | 151 | int color = *((__u16 *)(screen.fbaddress + POINTPOS(x, y))); |
1363 | vana | 152 | return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
153 | } |
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154 | |||
155 | /** Put pixel - 8-bit depth (3:2:3) */ |
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1485 | palkovsky | 156 | static void putpixel_1byte(unsigned int x, unsigned int y, int color) |
1363 | vana | 157 | { |
1485 | palkovsky | 158 | screen.fbaddress[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3); |
1363 | vana | 159 | } |
160 | |||
161 | /** Return pixel color - 8-bit depth (3:2:3) */ |
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1485 | palkovsky | 162 | static int getpixel_1byte(unsigned int x, unsigned int y) |
1363 | vana | 163 | { |
1485 | palkovsky | 164 | int color = screen.fbaddress[POINTPOS(x, y)]; |
1363 | vana | 165 | return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
166 | } |
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167 | |||
1485 | palkovsky | 168 | static void putpixel(int vp, unsigned int x, unsigned int y, int color) |
169 | { |
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170 | screen.putpixel(viewports[vp].x + x, viewports[vp].y + y, color); |
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171 | } |
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172 | static int getpixel(int vp, unsigned int x, unsigned int y) |
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173 | { |
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174 | return screen.getpixel(viewports[vp].x + x, viewports[vp].y + y); |
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175 | } |
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176 | |||
1363 | vana | 177 | /** Fill line with color BGCOLOR */ |
1485 | palkovsky | 178 | static void clear_line(int vp, unsigned int y) |
1363 | vana | 179 | { |
180 | unsigned int x; |
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1485 | palkovsky | 181 | for (x = 0; x < viewports[vp].width; x++) |
182 | putpixel(vp, x, y, viewports[vp].bgcolor); |
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1363 | vana | 183 | } |
184 | |||
1485 | palkovsky | 185 | /** Fill viewport with background color */ |
186 | static void clear_port(int vp) |
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1363 | vana | 187 | { |
188 | unsigned int y; |
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1485 | palkovsky | 189 | |
190 | clear_line(vp, 0); |
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191 | for (y = viewports[vp].y+1; y < viewports[vp].y+viewports[vp].height; y++) { |
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192 | memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)], |
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193 | &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)], |
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194 | screen.pixelbytes * viewports[vp].width); |
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1363 | vana | 195 | } |
196 | } |
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197 | |||
1485 | palkovsky | 198 | /** Scroll port up/down |
199 | * |
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200 | * @param vp Viewport to scroll |
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201 | * @param rows Positive number - scroll up, negative - scroll down |
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202 | */ |
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203 | static void scroll_port(int vp, int rows) |
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1363 | vana | 204 | { |
1485 | palkovsky | 205 | int y; |
206 | int startline; |
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207 | int endline; |
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208 | |||
209 | if (rows > 0) { |
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210 | for (y=viewports[vp].y; y < viewports[vp].y+viewports[vp].height - rows*FONT_SCANLINES; y++) |
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211 | memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)], |
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212 | &screen.fbaddress[POINTPOS(viewports[vp].x,y + rows*FONT_SCANLINES)], |
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213 | screen.pixelbytes * viewports[vp].width); |
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214 | /* Clear last row */ |
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215 | startline = viewports[vp].y+FONT_SCANLINES*(viewports[vp].rows-1); |
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216 | endline = viewports[vp].y + viewports[vp].height; |
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217 | clear_line(vp, startline); |
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218 | for (y=startline+1;y < endline; y++) |
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219 | memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)], |
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220 | &screen.fbaddress[POINTPOS(viewports[vp].x,startline)], |
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221 | screen.pixelbytes * viewports[vp].width); |
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222 | |||
223 | } else if (rows < 0) { |
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224 | rows = -rows; |
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225 | for (y=viewports[vp].y + viewports[vp].height-1; y >= viewports[vp].y + rows*FONT_SCANLINES; y--) |
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226 | memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)], |
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227 | &screen.fbaddress[POINTPOS(viewports[vp].x,y - rows*FONT_SCANLINES)], |
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228 | screen.pixelbytes * viewports[vp].width); |
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229 | /* Clear first row */ |
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230 | clear_line(0, viewports[vp].bgcolor); |
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231 | for (y=1;y < rows*FONT_SCANLINES; y++) |
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232 | memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y+y)], |
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233 | &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)], |
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234 | screen.pixelbytes * viewports[vp].width); |
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235 | } |
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1363 | vana | 236 | } |
237 | |||
1485 | palkovsky | 238 | static void invert_pixel(int vp,unsigned int x, unsigned int y) |
1363 | vana | 239 | { |
1485 | palkovsky | 240 | putpixel(vp, x, y, ~getpixel(vp, x, y)); |
1363 | vana | 241 | } |
242 | |||
243 | |||
244 | /** Draw one line of glyph at a given position */ |
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1485 | palkovsky | 245 | static void draw_glyph_line(int vp,unsigned int glline, unsigned int x, unsigned int y) |
1363 | vana | 246 | { |
247 | unsigned int i; |
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248 | |||
249 | for (i = 0; i < 8; i++) |
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250 | if (glline & (1 << (7 - i))) { |
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1485 | palkovsky | 251 | putpixel(vp, x + i, y, viewports[vp].fgcolor); |
1363 | vana | 252 | } else |
1485 | palkovsky | 253 | putpixel(vp, x + i, y, viewports[vp].bgcolor); |
1363 | vana | 254 | } |
255 | |||
256 | /***************************************************************/ |
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257 | /* Character-console functions */ |
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258 | |||
259 | /** Draw character at given position */ |
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1485 | palkovsky | 260 | static void draw_glyph(int vp,__u8 glyph, unsigned int row, unsigned int col) |
1363 | vana | 261 | { |
262 | unsigned int y; |
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263 | |||
264 | for (y = 0; y < FONT_SCANLINES; y++) |
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1485 | palkovsky | 265 | draw_glyph_line(vp ,fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y); |
1363 | vana | 266 | } |
267 | |||
268 | /** Invert character at given position */ |
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1489 | palkovsky | 269 | static void invert_char(int vp,unsigned int row, unsigned int col) |
1363 | vana | 270 | { |
271 | unsigned int x; |
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272 | unsigned int y; |
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273 | |||
274 | for (x = 0; x < COL_WIDTH; x++) |
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275 | for (y = 0; y < FONT_SCANLINES; y++) |
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1485 | palkovsky | 276 | invert_pixel(vp, col * COL_WIDTH + x, row * FONT_SCANLINES + y); |
1363 | vana | 277 | } |
278 | |||
1485 | palkovsky | 279 | static void draw_logo(int vp,unsigned int startx, unsigned int starty) |
1363 | vana | 280 | { |
281 | unsigned int x; |
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282 | unsigned int y; |
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283 | unsigned int byte; |
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284 | unsigned int rowbytes; |
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285 | |||
286 | rowbytes = (helenos_width - 1) / 8 + 1; |
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287 | |||
288 | for (y = 0; y < helenos_height; y++) |
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289 | for (x = 0; x < helenos_width; x++) { |
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290 | byte = helenos_bits[rowbytes * y + x / 8]; |
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291 | byte >>= x % 8; |
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292 | if (byte & 1) |
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1485 | palkovsky | 293 | putpixel(vp ,startx + x, starty + y, viewports[vp].fgcolor); |
1363 | vana | 294 | } |
295 | } |
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296 | |||
297 | /***************************************************************/ |
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298 | /* Stdout specific functions */ |
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299 | |||
300 | |||
1485 | palkovsky | 301 | /** Create new viewport |
1363 | vana | 302 | * |
1485 | palkovsky | 303 | * @return New viewport number |
1363 | vana | 304 | */ |
1485 | palkovsky | 305 | static int viewport_create(unsigned int x, unsigned int y,unsigned int width, |
306 | unsigned int height) |
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1363 | vana | 307 | { |
1485 | palkovsky | 308 | int i; |
309 | |||
310 | for (i=0; i < MAX_VIEWPORTS; i++) { |
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311 | if (!viewports[i].initialized) |
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1363 | vana | 312 | break; |
313 | } |
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1485 | palkovsky | 314 | if (i == MAX_VIEWPORTS) |
315 | return ELIMIT; |
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316 | |||
1486 | palkovsky | 317 | if (width ==0 || height == 0 || |
318 | x+width > screen.xres || y+height > screen.yres) |
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319 | return EINVAL; |
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320 | if (width < FONT_SCANLINES || height < COL_WIDTH) |
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321 | return EINVAL; |
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322 | |||
1485 | palkovsky | 323 | viewports[i].x = x; |
324 | viewports[i].y = y; |
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325 | viewports[i].width = width; |
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326 | viewports[i].height = height; |
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1363 | vana | 327 | |
1485 | palkovsky | 328 | viewports[i].rows = height / FONT_SCANLINES; |
329 | viewports[i].cols = width / COL_WIDTH; |
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330 | |||
331 | viewports[i].bgcolor = DEFAULT_BGCOLOR; |
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332 | viewports[i].fgcolor = DEFAULT_FGCOLOR; |
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1363 | vana | 333 | |
1489 | palkovsky | 334 | viewports[i].cur_col = 0; |
335 | viewports[i].cur_row = 0; |
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336 | viewports[i].cursor_active = 0; |
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337 | |||
1486 | palkovsky | 338 | viewports[i].initialized = 1; |
339 | |||
1485 | palkovsky | 340 | return i; |
1363 | vana | 341 | } |
342 | |||
343 | |||
344 | /** Initialize framebuffer as a chardev output device |
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345 | * |
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346 | * @param addr Address of theframebuffer |
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347 | * @param x Screen width in pixels |
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348 | * @param y Screen height in pixels |
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349 | * @param bpp Bits per pixel (8, 16, 24, 32) |
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350 | * @param scan Bytes per one scanline |
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351 | * |
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352 | */ |
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1485 | palkovsky | 353 | static void screen_init(__address addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan) |
1363 | vana | 354 | { |
355 | switch (bpp) { |
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356 | case 8: |
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1485 | palkovsky | 357 | screen.putpixel = putpixel_1byte; |
358 | screen.getpixel = getpixel_1byte; |
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359 | screen.pixelbytes = 1; |
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1363 | vana | 360 | break; |
361 | case 16: |
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1485 | palkovsky | 362 | screen.putpixel = putpixel_2byte; |
363 | screen.getpixel = getpixel_2byte; |
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364 | screen.pixelbytes = 2; |
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1363 | vana | 365 | break; |
366 | case 24: |
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1485 | palkovsky | 367 | screen.putpixel = putpixel_3byte; |
368 | screen.getpixel = getpixel_3byte; |
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369 | screen.pixelbytes = 3; |
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1363 | vana | 370 | break; |
371 | case 32: |
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1485 | palkovsky | 372 | screen.putpixel = putpixel_4byte; |
373 | screen.getpixel = getpixel_4byte; |
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374 | screen.pixelbytes = 4; |
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1363 | vana | 375 | break; |
376 | } |
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377 | |||
378 | |||
1485 | palkovsky | 379 | screen.fbaddress = (unsigned char *) addr; |
380 | screen.xres = xres; |
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381 | screen.yres = yres; |
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382 | screen.scanline = scan; |
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1363 | vana | 383 | |
1485 | palkovsky | 384 | /* Create first viewport */ |
385 | viewport_create(0,0,xres,yres); |
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1363 | vana | 386 | |
1485 | palkovsky | 387 | clear_port(0); |
388 | } |
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1363 | vana | 389 | |
1489 | palkovsky | 390 | static void draw_char(int vp, char c, unsigned int row, unsigned int col) |
1486 | palkovsky | 391 | { |
392 | viewport_t *vport = &viewports[vp]; |
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393 | |||
394 | if (vport->cursor_active && (vport->cur_col != col || vport->cur_row != row)) |
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1489 | palkovsky | 395 | invert_char(vp, vport->cur_row, vport->cur_col); |
1486 | palkovsky | 396 | |
1489 | palkovsky | 397 | draw_glyph(vp, c, row, col); |
398 | |||
399 | vport->cur_col = col; |
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400 | vport->cur_row = row; |
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401 | |||
402 | vport->cur_col++; |
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403 | if (vport->cur_col>= vport->cols) { |
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404 | vport->cur_col = 0; |
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405 | vport->cur_row++; |
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406 | if (vport->cur_row >= vport->rows) |
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407 | vport->cur_row--; |
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1486 | palkovsky | 408 | } |
1489 | palkovsky | 409 | if (vport->cursor_active) |
410 | invert_char(vp, vport->cur_row, vport->cur_col); |
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1486 | palkovsky | 411 | } |
412 | |||
1490 | palkovsky | 413 | static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
1363 | vana | 414 | { |
1485 | palkovsky | 415 | ipc_callid_t callid; |
416 | ipc_call_t call; |
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417 | int retval; |
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418 | int i; |
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419 | unsigned int row,col; |
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420 | char c; |
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1486 | palkovsky | 421 | |
1485 | palkovsky | 422 | int vp = 0; |
1486 | palkovsky | 423 | viewport_t *vport = &viewports[0]; |
1363 | vana | 424 | |
1485 | palkovsky | 425 | if (client_connected) { |
426 | ipc_answer_fast(iid, ELIMIT, 0,0); |
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427 | return; |
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428 | } |
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1486 | palkovsky | 429 | client_connected = 1; |
1485 | palkovsky | 430 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
1363 | vana | 431 | |
1485 | palkovsky | 432 | while (1) { |
433 | callid = async_get_call(&call); |
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434 | switch (IPC_GET_METHOD(call)) { |
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435 | case IPC_M_PHONE_HUNGUP: |
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436 | client_connected = 0; |
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437 | /* cleanup other viewports */ |
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438 | for (i=1; i < MAX_VIEWPORTS; i++) |
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1486 | palkovsky | 439 | vport->initialized = 0; |
1485 | palkovsky | 440 | ipc_answer_fast(callid,0,0,0); |
441 | return; /* Exit thread */ |
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442 | case FB_PUTCHAR: |
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443 | c = IPC_GET_ARG1(call); |
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444 | row = IPC_GET_ARG2(call); |
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445 | col = IPC_GET_ARG3(call); |
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1486 | palkovsky | 446 | if (row >= vport->rows || col >= vport->cols) { |
1485 | palkovsky | 447 | retval = EINVAL; |
448 | break; |
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449 | } |
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450 | ipc_answer_fast(callid,0,0,0); |
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1486 | palkovsky | 451 | |
452 | draw_char(vp, c, row, col); |
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1485 | palkovsky | 453 | continue; /* msg already answered */ |
454 | case FB_CLEAR: |
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455 | clear_port(vp); |
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1486 | palkovsky | 456 | if (vport->cursor_active) |
1489 | palkovsky | 457 | invert_char(vp, vport->cur_row, vport->cur_col); |
1485 | palkovsky | 458 | retval = 0; |
459 | break; |
||
1486 | palkovsky | 460 | case FB_CURSOR_GOTO: |
461 | row = IPC_GET_ARG1(call); |
||
462 | col = IPC_GET_ARG2(call); |
||
463 | if (row >= vport->rows || col >= vport->cols) { |
||
464 | retval = EINVAL; |
||
465 | break; |
||
466 | } |
||
467 | retval = 0; |
||
468 | if (viewports[vp].cursor_active) { |
||
1489 | palkovsky | 469 | invert_char(vp, vport->cur_row, vport->cur_col); |
470 | invert_char(vp, row, col); |
||
1486 | palkovsky | 471 | } |
472 | vport->cur_col = col; |
||
473 | vport->cur_row = row; |
||
474 | break; |
||
475 | case FB_CURSOR_VISIBILITY: |
||
476 | i = IPC_GET_ARG1(call); |
||
477 | retval = 0; |
||
478 | if ((i && vport->cursor_active) || (!i && !vport->cursor_active)) |
||
479 | break; |
||
480 | |||
481 | vport->cursor_active = i; |
||
1489 | palkovsky | 482 | invert_char(vp, vport->cur_row, vport->cur_col); |
1486 | palkovsky | 483 | break; |
1485 | palkovsky | 484 | case FB_GET_CSIZE: |
1486 | palkovsky | 485 | ipc_answer_fast(callid, 0, vport->rows, vport->cols); |
1485 | palkovsky | 486 | continue; |
1486 | palkovsky | 487 | case FB_SCROLL: |
488 | i = IPC_GET_ARG1(call); |
||
489 | if (i > vport->rows || i < (- (int)vport->rows)) { |
||
490 | retval = EINVAL; |
||
491 | break; |
||
492 | } |
||
493 | if (vport->cursor_active) |
||
1489 | palkovsky | 494 | invert_char(vp, vport->cur_row, vport->cur_col); |
1486 | palkovsky | 495 | scroll_port(vp, i); |
496 | if (vport->cursor_active) |
||
1489 | palkovsky | 497 | invert_char(vp, vport->cur_row, vport->cur_col); |
1486 | palkovsky | 498 | retval = 0; |
499 | break; |
||
500 | case FB_VIEWPORT_SWITCH: |
||
501 | i = IPC_GET_ARG1(call); |
||
502 | if (i < 0 || i >= MAX_VIEWPORTS) { |
||
503 | retval = EINVAL; |
||
504 | break; |
||
505 | } |
||
506 | if (! viewports[i].initialized ) { |
||
507 | retval = EADDRNOTAVAIL; |
||
508 | break; |
||
509 | } |
||
510 | vp = i; |
||
511 | vport = &viewports[vp]; |
||
512 | retval = 0; |
||
513 | break; |
||
514 | case FB_VIEWPORT_CREATE: |
||
515 | retval = viewport_create(IPC_GET_ARG1(call) >> 16, |
||
516 | IPC_GET_ARG1(call) & 0xffff, |
||
517 | IPC_GET_ARG2(call) >> 16, |
||
518 | IPC_GET_ARG2(call) & 0xffff); |
||
519 | break; |
||
520 | case FB_VIEWPORT_DELETE: |
||
521 | i = IPC_GET_ARG1(call); |
||
522 | if (i < 0 || i >= MAX_VIEWPORTS) { |
||
523 | retval = EINVAL; |
||
524 | break; |
||
525 | } |
||
526 | if (! viewports[i].initialized ) { |
||
527 | retval = EADDRNOTAVAIL; |
||
528 | break; |
||
529 | } |
||
530 | viewports[i].initialized = 0; |
||
531 | retval = 0; |
||
532 | break; |
||
533 | case FB_SET_STYLE: |
||
534 | vport->fgcolor = IPC_GET_ARG1(call); |
||
535 | vport->bgcolor = IPC_GET_ARG2(call); |
||
536 | retval = 0; |
||
537 | break; |
||
538 | case FB_GET_RESOLUTION: |
||
539 | ipc_answer_fast(callid, 0, screen.xres,screen.yres); |
||
540 | continue; |
||
1485 | palkovsky | 541 | default: |
542 | retval = ENOENT; |
||
543 | } |
||
544 | ipc_answer_fast(callid,retval,0,0); |
||
1363 | vana | 545 | } |
1485 | palkovsky | 546 | } |
1363 | vana | 547 | |
1490 | palkovsky | 548 | int fb_init(void) |
1485 | palkovsky | 549 | { |
1490 | palkovsky | 550 | __address fb_ph_addr; |
551 | unsigned int fb_width; |
||
552 | unsigned int fb_height; |
||
553 | unsigned int fb_bpp; |
||
554 | unsigned int fb_scanline; |
||
555 | __address fb_addr; |
||
1363 | vana | 556 | |
1490 | palkovsky | 557 | async_set_client_connection(fb_client_connection); |
1363 | vana | 558 | |
1490 | palkovsky | 559 | fb_ph_addr=sysinfo_value("fb.address.physical"); |
560 | fb_width=sysinfo_value("fb.width"); |
||
561 | fb_height=sysinfo_value("fb.height"); |
||
562 | fb_bpp=sysinfo_value("fb.bpp"); |
||
563 | fb_scanline=sysinfo_value("fb.scanline"); |
||
564 | |||
565 | fb_addr=ALIGN_UP(((__address)set_maxheapsize(USER_ADDRESS_SPACE_SIZE_ARCH>>1)),PAGE_SIZE); |
||
1485 | palkovsky | 566 | |
1493 | palkovsky | 567 | map_physmem((void *)((__address)fb_ph_addr),(void *)fb_addr, |
1490 | palkovsky | 568 | (fb_scanline*fb_height+PAGE_SIZE-1)>>PAGE_WIDTH, |
569 | AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE); |
||
570 | |||
571 | screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline); |
||
1363 | vana | 572 | |
1485 | palkovsky | 573 | return 0; |
1363 | vana | 574 | } |
1490 | palkovsky | 575 |