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1 | /* |
1 | /* |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
2 | * Copyright (C) 2006 Ondrej Palkovsky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup genarch |
29 | /** @addtogroup genarch |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #include <genarch/fb/font-8x16.h> |
35 | #include <genarch/fb/font-8x16.h> |
36 | #include <genarch/fb/fb.h> |
36 | #include <genarch/fb/fb.h> |
37 | #include <console/chardev.h> |
37 | #include <console/chardev.h> |
38 | #include <console/console.h> |
38 | #include <console/console.h> |
39 | #include <sysinfo/sysinfo.h> |
39 | #include <sysinfo/sysinfo.h> |
40 | #include <mm/slab.h> |
40 | #include <mm/slab.h> |
41 | #include <align.h> |
41 | #include <align.h> |
42 | #include <panic.h> |
42 | #include <panic.h> |
43 | #include <memstr.h> |
43 | #include <memstr.h> |
44 | #include <config.h> |
44 | #include <config.h> |
45 | #include <bitops.h> |
45 | #include <bitops.h> |
46 | #include <print.h> |
46 | #include <print.h> |
47 | 47 | ||
48 | #include "helenos.xbm" |
48 | #include "helenos.xbm" |
49 | 49 | ||
50 | SPINLOCK_INITIALIZE(fb_lock); |
50 | SPINLOCK_INITIALIZE(fb_lock); |
51 | 51 | ||
52 | static uint8_t *fbaddress = NULL; |
52 | static uint8_t *fbaddress = NULL; |
53 | 53 | ||
54 | static uint8_t *blankline = NULL; |
54 | static uint8_t *blankline = NULL; |
55 | static uint8_t *dbbuffer = NULL; /* Buffer for fast scrolling console */ |
55 | static uint8_t *dbbuffer = NULL; /* Buffer for fast scrolling console */ |
56 | static int dboffset; |
56 | static int dboffset; |
57 | 57 | ||
58 | static unsigned int xres = 0; |
58 | static unsigned int xres = 0; |
59 | static unsigned int yres = 0; |
59 | static unsigned int yres = 0; |
60 | static unsigned int scanline = 0; |
60 | static unsigned int scanline = 0; |
61 | static unsigned int bitspp = 0; |
61 | static unsigned int bitspp = 0; |
62 | static unsigned int pixelbytes = 0; |
62 | static unsigned int pixelbytes = 0; |
63 | #ifdef FB_INVERT_COLORS |
63 | #ifdef FB_INVERT_COLORS |
64 | static bool invert_colors = true; |
64 | static bool invert_colors = true; |
65 | #else |
65 | #else |
66 | static bool invert_colors = false; |
66 | static bool invert_colors = false; |
67 | #endif |
67 | #endif |
68 | 68 | ||
69 | static unsigned int position = 0; |
69 | static unsigned int position = 0; |
70 | static unsigned int columns = 0; |
70 | static unsigned int columns = 0; |
71 | static unsigned int rows = 0; |
71 | static unsigned int rows = 0; |
72 | 72 | ||
73 | #define COL_WIDTH 8 |
73 | #define COL_WIDTH 8 |
74 | #define ROW_BYTES (scanline * FONT_SCANLINES) |
74 | #define ROW_BYTES (scanline * FONT_SCANLINES) |
75 | 75 | ||
76 | #define BGCOLOR 0x000080 |
76 | #define BGCOLOR 0x000080 |
77 | #define FGCOLOR 0xffff00 |
77 | #define FGCOLOR 0xffff00 |
78 | #define LOGOCOLOR 0x2020b0 |
78 | #define LOGOCOLOR 0x2020b0 |
79 | 79 | ||
80 | #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
80 | #define RED(x, bits) ((x >> (16 + 8 - bits)) & ((1 << bits) - 1)) |
81 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
81 | #define GREEN(x, bits) ((x >> (8 + 8 - bits)) & ((1 << bits) - 1)) |
82 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
82 | #define BLUE(x, bits) ((x >> (8 - bits)) & ((1 << bits) - 1)) |
83 | 83 | ||
84 | #define POINTPOS(x, y) ((y) * scanline + (x) * pixelbytes) |
84 | #define POINTPOS(x, y) ((y) * scanline + (x) * pixelbytes) |
85 | 85 | ||
86 | /***************************************************************/ |
86 | /***************************************************************/ |
87 | /* Pixel specific fuctions */ |
87 | /* Pixel specific fuctions */ |
88 | 88 | ||
89 | static void (*rgb2scr)(void *, int); |
89 | static void (*rgb2scr)(void *, int); |
90 | static int (*scr2rgb)(void *); |
90 | static int (*scr2rgb)(void *); |
91 | 91 | ||
92 | static inline int COLOR(int color) |
92 | static inline int COLOR(int color) |
93 | { |
93 | { |
94 | return invert_colors ? ~color : color; |
94 | return invert_colors ? ~color : color; |
95 | } |
95 | } |
96 | 96 | ||
97 | /* Conversion routines between different color representations */ |
97 | /* Conversion routines between different color representations */ |
98 | static void rgb_4byte(void *dst, int rgb) |
98 | static void rgb_4byte(void *dst, int rgb) |
99 | { |
99 | { |
100 | *((int *) dst) = rgb; |
100 | *((int *) dst) = rgb; |
101 | } |
101 | } |
102 | 102 | ||
103 | static int byte4_rgb(void *src) |
103 | static int byte4_rgb(void *src) |
104 | { |
104 | { |
105 | return (*((int *) src)) & 0xffffff; |
105 | return (*((int *) src)) & 0xffffff; |
106 | } |
106 | } |
107 | 107 | ||
108 | static void rgb_3byte(void *dst, int rgb) |
108 | static void rgb_3byte(void *dst, int rgb) |
109 | { |
109 | { |
110 | uint8_t *scr = dst; |
110 | uint8_t *scr = dst; |
111 | #if defined(FB_INVERT_ENDIAN) |
111 | #if defined(FB_INVERT_ENDIAN) |
112 | scr[0] = RED(rgb, 8); |
112 | scr[0] = RED(rgb, 8); |
113 | scr[1] = GREEN(rgb, 8); |
113 | scr[1] = GREEN(rgb, 8); |
114 | scr[2] = BLUE(rgb, 8); |
114 | scr[2] = BLUE(rgb, 8); |
115 | #else |
115 | #else |
116 | scr[2] = RED(rgb, 8); |
116 | scr[2] = RED(rgb, 8); |
117 | scr[1] = GREEN(rgb, 8); |
117 | scr[1] = GREEN(rgb, 8); |
118 | scr[0] = BLUE(rgb, 8); |
118 | scr[0] = BLUE(rgb, 8); |
119 | #endif |
119 | #endif |
120 | } |
120 | } |
121 | 121 | ||
122 | static int byte3_rgb(void *src) |
122 | static int byte3_rgb(void *src) |
123 | { |
123 | { |
124 | uint8_t *scr = src; |
124 | uint8_t *scr = src; |
125 | #if defined(FB_INVERT_ENDIAN) |
125 | #if defined(FB_INVERT_ENDIAN) |
126 | return scr[0] << 16 | scr[1] << 8 | scr[2]; |
126 | return scr[0] << 16 | scr[1] << 8 | scr[2]; |
127 | #else |
127 | #else |
128 | return scr[2] << 16 | scr[1] << 8 | scr[0]; |
128 | return scr[2] << 16 | scr[1] << 8 | scr[0]; |
129 | #endif |
129 | #endif |
130 | } |
130 | } |
131 | 131 | ||
132 | /** 16-bit depth (5:6:5) */ |
132 | /** 16-bit depth (5:6:5) */ |
133 | static void rgb_2byte(void *dst, int rgb) |
133 | static void rgb_2byte(void *dst, int rgb) |
134 | { |
134 | { |
135 | /* 5-bit, 6-bits, 5-bits */ |
135 | /* 5-bit, 6-bits, 5-bits */ |
136 | *((uint16_t *) dst) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5); |
136 | *((uint16_t *) dst) = RED(rgb, 5) << 11 | GREEN(rgb, 6) << 5 | BLUE(rgb, 5); |
137 | } |
137 | } |
138 | 138 | ||
139 | /** 16-bit depth (5:6:5) */ |
139 | /** 16-bit depth (5:6:5) */ |
140 | static int byte2_rgb(void *src) |
140 | static int byte2_rgb(void *src) |
141 | { |
141 | { |
142 | int color = *(uint16_t *)(src); |
142 | int color = *(uint16_t *)(src); |
143 | return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
143 | return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3); |
144 | } |
144 | } |
145 | 145 | ||
146 | /** Put pixel - 8-bit depth (color palette/3:2:3) |
146 | /** Put pixel - 8-bit depth (color palette/3:2:3) |
147 | * |
147 | * |
148 | * Even though we try 3:2:3 color scheme here, an 8-bit framebuffer |
148 | * Even though we try 3:2:3 color scheme here, an 8-bit framebuffer |
149 | * will most likely use a color palette. The color appearance |
149 | * will most likely use a color palette. The color appearance |
150 | * will be pretty random and depend on the default installed |
150 | * will be pretty random and depend on the default installed |
151 | * palette. This could be fixed by supporting custom palette |
151 | * palette. This could be fixed by supporting custom palette |
152 | * and setting it to simulate the 8-bit truecolor. |
152 | * and setting it to simulate the 8-bit truecolor. |
153 | */ |
153 | */ |
154 | static void rgb_1byte(void *dst, int rgb) |
154 | static void rgb_1byte(void *dst, int rgb) |
155 | { |
155 | { |
156 | *((uint8_t *) dst) = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3); |
156 | *((uint8_t *) dst) = RED(rgb, 3) << 5 | GREEN(rgb, 2) << 3 | BLUE(rgb, 3); |
157 | } |
157 | } |
158 | 158 | ||
159 | /** Return pixel color - 8-bit depth (color palette/3:2:3) |
159 | /** Return pixel color - 8-bit depth (color palette/3:2:3) |
160 | * |
160 | * |
161 | * See the comment for rgb_1byte(). |
161 | * See the comment for rgb_1byte(). |
162 | */ |
162 | */ |
163 | static int byte1_rgb(void *src) |
163 | static int byte1_rgb(void *src) |
164 | { |
164 | { |
165 | int color = *(uint8_t *)src; |
165 | int color = *(uint8_t *)src; |
166 | return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
166 | return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5); |
167 | } |
167 | } |
168 | 168 | ||
169 | static void putpixel(unsigned int x, unsigned int y, int color) |
169 | static void putpixel(unsigned int x, unsigned int y, int color) |
170 | { |
170 | { |
171 | (*rgb2scr)(&fbaddress[POINTPOS(x, y)], COLOR(color)); |
171 | (*rgb2scr)(&fbaddress[POINTPOS(x, y)], COLOR(color)); |
172 | 172 | ||
173 | if (dbbuffer) { |
173 | if (dbbuffer) { |
174 | int dline = (y + dboffset) % yres; |
174 | int dline = (y + dboffset) % yres; |
175 | (*rgb2scr)(&dbbuffer[POINTPOS(x, dline)], COLOR(color)); |
175 | (*rgb2scr)(&dbbuffer[POINTPOS(x, dline)], COLOR(color)); |
176 | } |
176 | } |
177 | } |
177 | } |
178 | 178 | ||
179 | /** Get pixel from viewport */ |
179 | /** Get pixel from viewport */ |
180 | static int getpixel(unsigned int x, unsigned int y) |
180 | static int getpixel(unsigned int x, unsigned int y) |
181 | { |
181 | { |
182 | if (dbbuffer) { |
182 | if (dbbuffer) { |
183 | int dline = (y + dboffset) % yres; |
183 | int dline = (y + dboffset) % yres; |
184 | return COLOR((*scr2rgb)(&dbbuffer[POINTPOS(x, dline)])); |
184 | return COLOR((*scr2rgb)(&dbbuffer[POINTPOS(x, dline)])); |
185 | } |
185 | } |
186 | return COLOR((*scr2rgb)(&fbaddress[POINTPOS(x, y)])); |
186 | return COLOR((*scr2rgb)(&fbaddress[POINTPOS(x, y)])); |
187 | } |
187 | } |
188 | 188 | ||
189 | 189 | ||
190 | /** Fill screen with background color */ |
190 | /** Fill screen with background color */ |
191 | static void clear_screen(void) |
191 | static void clear_screen(void) |
192 | { |
192 | { |
193 | unsigned int y; |
193 | unsigned int y; |
194 | 194 | ||
195 | for (y = 0; y < yres; y++) { |
195 | for (y = 0; y < yres; y++) { |
196 | memcpy(&fbaddress[scanline * y], blankline, xres * pixelbytes); |
196 | memcpy(&fbaddress[scanline * y], blankline, xres * pixelbytes); |
197 | if (dbbuffer) |
197 | if (dbbuffer) |
198 | memcpy(&dbbuffer[scanline * y], blankline, xres * pixelbytes); |
198 | memcpy(&dbbuffer[scanline * y], blankline, xres * pixelbytes); |
199 | } |
199 | } |
200 | } |
200 | } |
201 | 201 | ||
202 | 202 | ||
203 | /** Scroll screen one row up */ |
203 | /** Scroll screen one row up */ |
204 | static void scroll_screen(void) |
204 | static void scroll_screen(void) |
205 | { |
205 | { |
206 | uint8_t *lastline = &fbaddress[(rows - 1) * ROW_BYTES]; |
206 | uint8_t *lastline = &fbaddress[(rows - 1) * ROW_BYTES]; |
207 | int firstsz; |
207 | int firstsz; |
208 | 208 | ||
209 | if (dbbuffer) { |
209 | if (dbbuffer) { |
210 | memcpy(&dbbuffer[dboffset * scanline], blankline, FONT_SCANLINES * scanline); |
210 | memcpy(&dbbuffer[dboffset * scanline], blankline, FONT_SCANLINES * scanline); |
211 | 211 | ||
212 | dboffset = (dboffset + FONT_SCANLINES) % yres; |
212 | dboffset = (dboffset + FONT_SCANLINES) % yres; |
213 | firstsz = yres - dboffset; |
213 | firstsz = yres - dboffset; |
214 | 214 | ||
215 | memcpy(fbaddress, &dbbuffer[scanline * dboffset], firstsz * scanline); |
215 | memcpy(fbaddress, &dbbuffer[scanline * dboffset], firstsz * scanline); |
216 | memcpy(&fbaddress[firstsz * scanline], dbbuffer, dboffset * scanline); |
216 | memcpy(&fbaddress[firstsz * scanline], dbbuffer, dboffset * scanline); |
217 | } else { |
217 | } else { |
218 | memcpy((void *) fbaddress, (void *) &fbaddress[ROW_BYTES], scanline * yres - ROW_BYTES); |
218 | memcpy((void *) fbaddress, (void *) &fbaddress[ROW_BYTES], scanline * yres - ROW_BYTES); |
219 | /* Clear last row */ |
219 | /* Clear last row */ |
220 | memcpy((void *) lastline, (void *) blankline, ROW_BYTES); |
220 | memcpy((void *) lastline, (void *) blankline, ROW_BYTES); |
221 | } |
221 | } |
222 | } |
222 | } |
223 | 223 | ||
224 | 224 | ||
225 | static void invert_pixel(unsigned int x, unsigned int y) |
225 | static void invert_pixel(unsigned int x, unsigned int y) |
226 | { |
226 | { |
227 | putpixel(x, y, ~getpixel(x, y)); |
227 | putpixel(x, y, ~getpixel(x, y)); |
228 | } |
228 | } |
229 | 229 | ||
230 | 230 | ||
231 | /** Draw one line of glyph at a given position */ |
231 | /** Draw one line of glyph at a given position */ |
232 | static void draw_glyph_line(unsigned int glline, unsigned int x, unsigned int y) |
232 | static void draw_glyph_line(unsigned int glline, unsigned int x, unsigned int y) |
233 | { |
233 | { |
234 | unsigned int i; |
234 | unsigned int i; |
235 | 235 | ||
236 | for (i = 0; i < 8; i++) |
236 | for (i = 0; i < 8; i++) |
237 | if (glline & (1 << (7 - i))) { |
237 | if (glline & (1 << (7 - i))) { |
238 | putpixel(x + i, y, FGCOLOR); |
238 | putpixel(x + i, y, FGCOLOR); |
239 | } else |
239 | } else |
240 | putpixel(x + i, y, BGCOLOR); |
240 | putpixel(x + i, y, BGCOLOR); |
241 | } |
241 | } |
242 | 242 | ||
243 | /***************************************************************/ |
243 | /***************************************************************/ |
244 | /* Character-console functions */ |
244 | /* Character-console functions */ |
245 | 245 | ||
246 | /** Draw character at given position */ |
246 | /** Draw character at given position */ |
247 | static void draw_glyph(uint8_t glyph, unsigned int col, unsigned int row) |
247 | static void draw_glyph(uint8_t glyph, unsigned int col, unsigned int row) |
248 | { |
248 | { |
249 | unsigned int y; |
249 | unsigned int y; |
250 | 250 | ||
251 | for (y = 0; y < FONT_SCANLINES; y++) |
251 | for (y = 0; y < FONT_SCANLINES; y++) |
252 | draw_glyph_line(fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y); |
252 | draw_glyph_line(fb_font[glyph * FONT_SCANLINES + y], col * COL_WIDTH, row * FONT_SCANLINES + y); |
253 | } |
253 | } |
254 | 254 | ||
255 | /** Invert character at given position */ |
255 | /** Invert character at given position */ |
256 | static void invert_char(unsigned int col, unsigned int row) |
256 | static void invert_char(unsigned int col, unsigned int row) |
257 | { |
257 | { |
258 | unsigned int x; |
258 | unsigned int x; |
259 | unsigned int y; |
259 | unsigned int y; |
260 | 260 | ||
261 | for (x = 0; x < COL_WIDTH; x++) |
261 | for (x = 0; x < COL_WIDTH; x++) |
262 | for (y = 0; y < FONT_SCANLINES; y++) |
262 | for (y = 0; y < FONT_SCANLINES; y++) |
263 | invert_pixel(col * COL_WIDTH + x, row * FONT_SCANLINES + y); |
263 | invert_pixel(col * COL_WIDTH + x, row * FONT_SCANLINES + y); |
264 | } |
264 | } |
265 | 265 | ||
266 | /** Draw character at default position */ |
266 | /** Draw character at default position */ |
267 | static void draw_char(char chr) |
267 | static void draw_char(char chr) |
268 | { |
268 | { |
269 | draw_glyph(chr, position % columns, position / columns); |
269 | draw_glyph(chr, position % columns, position / columns); |
270 | } |
270 | } |
271 | 271 | ||
272 | static void draw_logo(unsigned int startx, unsigned int starty) |
272 | static void draw_logo(unsigned int startx, unsigned int starty) |
273 | { |
273 | { |
274 | unsigned int x; |
274 | unsigned int x; |
275 | unsigned int y; |
275 | unsigned int y; |
276 | unsigned int byte; |
276 | unsigned int byte; |
277 | unsigned int rowbytes; |
277 | unsigned int rowbytes; |
278 | 278 | ||
279 | rowbytes = (helenos_width - 1) / 8 + 1; |
279 | rowbytes = (helenos_width - 1) / 8 + 1; |
280 | 280 | ||
281 | for (y = 0; y < helenos_height; y++) |
281 | for (y = 0; y < helenos_height; y++) |
282 | for (x = 0; x < helenos_width; x++) { |
282 | for (x = 0; x < helenos_width; x++) { |
283 | byte = helenos_bits[rowbytes * y + x / 8]; |
283 | byte = helenos_bits[rowbytes * y + x / 8]; |
284 | byte >>= x % 8; |
284 | byte >>= x % 8; |
285 | if (byte & 1) |
285 | if (byte & 1) |
286 | putpixel(startx + x, starty + y, COLOR(LOGOCOLOR)); |
286 | putpixel(startx + x, starty + y, COLOR(LOGOCOLOR)); |
287 | } |
287 | } |
288 | } |
288 | } |
289 | 289 | ||
290 | /***************************************************************/ |
290 | /***************************************************************/ |
291 | /* Stdout specific functions */ |
291 | /* Stdout specific functions */ |
292 | 292 | ||
293 | static void invert_cursor(void) |
293 | static void invert_cursor(void) |
294 | { |
294 | { |
295 | invert_char(position % columns, position / columns); |
295 | invert_char(position % columns, position / columns); |
296 | } |
296 | } |
297 | 297 | ||
298 | /** Print character to screen |
298 | /** Print character to screen |
299 | * |
299 | * |
300 | * Emulate basic terminal commands |
300 | * Emulate basic terminal commands |
301 | */ |
301 | */ |
302 | static void fb_putchar(chardev_t *dev, char ch) |
302 | static void fb_putchar(chardev_t *dev, char ch) |
303 | { |
303 | { |
304 | spinlock_lock(&fb_lock); |
304 | spinlock_lock(&fb_lock); |
305 | 305 | ||
306 | switch (ch) { |
306 | switch (ch) { |
307 | case '\n': |
307 | case '\n': |
308 | invert_cursor(); |
308 | invert_cursor(); |
309 | position += columns; |
309 | position += columns; |
310 | position -= position % columns; |
310 | position -= position % columns; |
311 | break; |
311 | break; |
312 | case '\r': |
312 | case '\r': |
313 | invert_cursor(); |
313 | invert_cursor(); |
314 | position -= position % columns; |
314 | position -= position % columns; |
315 | break; |
315 | break; |
316 | case '\b': |
316 | case '\b': |
317 | invert_cursor(); |
317 | invert_cursor(); |
318 | if (position % columns) |
318 | if (position % columns) |
319 | position--; |
319 | position--; |
320 | break; |
320 | break; |
321 | case '\t': |
321 | case '\t': |
322 | invert_cursor(); |
322 | invert_cursor(); |
323 | do { |
323 | do { |
324 | draw_char(' '); |
324 | draw_char(' '); |
325 | position++; |
325 | position++; |
326 | } while ((position % 8) && position < columns * rows); |
326 | } while ((position % 8) && position < columns * rows); |
327 | break; |
327 | break; |
328 | default: |
328 | default: |
329 | draw_char(ch); |
329 | draw_char(ch); |
330 | position++; |
330 | position++; |
331 | } |
331 | } |
332 | 332 | ||
333 | if (position >= columns * rows) { |
333 | if (position >= columns * rows) { |
334 | position -= columns; |
334 | position -= columns; |
335 | scroll_screen(); |
335 | scroll_screen(); |
336 | } |
336 | } |
337 | 337 | ||
338 | invert_cursor(); |
338 | invert_cursor(); |
339 | 339 | ||
340 | spinlock_unlock(&fb_lock); |
340 | spinlock_unlock(&fb_lock); |
341 | } |
341 | } |
342 | 342 | ||
343 | static chardev_t framebuffer; |
343 | static chardev_t framebuffer; |
344 | static chardev_operations_t fb_ops = { |
344 | static chardev_operations_t fb_ops = { |
345 | .write = fb_putchar, |
345 | .write = fb_putchar, |
346 | }; |
346 | }; |
347 | 347 | ||
348 | 348 | ||
349 | /** Initialize framebuffer as a chardev output device |
349 | /** Initialize framebuffer as a chardev output device |
350 | * |
350 | * |
351 | * @param addr Physical address of the framebuffer |
351 | * @param addr Physical address of the framebuffer |
352 | * @param x Screen width in pixels |
352 | * @param x Screen width in pixels |
353 | * @param y Screen height in pixels |
353 | * @param y Screen height in pixels |
354 | * @param bpp Bits per pixel (8, 16, 24, 32) |
354 | * @param bpp Bits per pixel (8, 16, 24, 32) |
355 | * @param scan Bytes per one scanline |
355 | * @param scan Bytes per one scanline |
356 | * @param align Request alignment for 24bpp mode. |
356 | * @param align Request alignment for 24bpp mode. |
357 | */ |
357 | */ |
358 | void fb_init(uintptr_t addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan, bool align) |
358 | void fb_init(uintptr_t addr, unsigned int x, unsigned int y, unsigned int bpp, unsigned int scan, bool align) |
359 | { |
359 | { |
360 | switch (bpp) { |
360 | switch (bpp) { |
361 | case 8: |
361 | case 8: |
362 | rgb2scr = rgb_1byte; |
362 | rgb2scr = rgb_1byte; |
363 | scr2rgb = byte1_rgb; |
363 | scr2rgb = byte1_rgb; |
364 | pixelbytes = 1; |
364 | pixelbytes = 1; |
365 | break; |
365 | break; |
366 | case 16: |
366 | case 16: |
367 | rgb2scr = rgb_2byte; |
367 | rgb2scr = rgb_2byte; |
368 | scr2rgb = byte2_rgb; |
368 | scr2rgb = byte2_rgb; |
369 | pixelbytes = 2; |
369 | pixelbytes = 2; |
370 | break; |
370 | break; |
371 | case 24: |
371 | case 24: |
372 | rgb2scr = rgb_3byte; |
372 | rgb2scr = rgb_3byte; |
373 | scr2rgb = byte3_rgb; |
373 | scr2rgb = byte3_rgb; |
374 | if (align) |
374 | if (align) |
375 | pixelbytes = 4; |
375 | pixelbytes = 4; |
376 | else |
376 | else |
377 | pixelbytes = 3; |
377 | pixelbytes = 3; |
378 | break; |
378 | break; |
379 | case 32: |
379 | case 32: |
380 | rgb2scr = rgb_4byte; |
380 | rgb2scr = rgb_4byte; |
381 | scr2rgb = byte4_rgb; |
381 | scr2rgb = byte4_rgb; |
382 | pixelbytes = 4; |
382 | pixelbytes = 4; |
383 | break; |
383 | break; |
384 | default: |
384 | default: |
385 | panic("Unsupported bpp.\n"); |
385 | panic("Unsupported bpp.\n"); |
386 | } |
386 | } |
387 | 387 | ||
388 | unsigned int fbsize = scan * y; |
388 | unsigned int fbsize = scan * y; |
389 | 389 | ||
390 | /* Map the framebuffer */ |
390 | /* Map the framebuffer */ |
391 | fbaddress = (uint8_t *) hw_map((uintptr_t) addr, fbsize); |
391 | fbaddress = (uint8_t *) hw_map((uintptr_t) addr, fbsize); |
392 | 392 | ||
393 | xres = x; |
393 | xres = x; |
394 | yres = y; |
394 | yres = y; |
395 | bitspp = bpp; |
395 | bitspp = bpp; |
396 | scanline = scan; |
396 | scanline = scan; |
397 | 397 | ||
398 | rows = y / FONT_SCANLINES; |
398 | rows = y / FONT_SCANLINES; |
399 | columns = x / COL_WIDTH; |
399 | columns = x / COL_WIDTH; |
400 | 400 | ||
401 | sysinfo_set_item_val("fb", NULL, true); |
401 | sysinfo_set_item_val("fb", NULL, true); |
402 | sysinfo_set_item_val("fb.kind", NULL, 1); |
402 | sysinfo_set_item_val("fb.kind", NULL, 1); |
403 | sysinfo_set_item_val("fb.width", NULL, xres); |
403 | sysinfo_set_item_val("fb.width", NULL, xres); |
404 | sysinfo_set_item_val("fb.height", NULL, yres); |
404 | sysinfo_set_item_val("fb.height", NULL, yres); |
405 | sysinfo_set_item_val("fb.bpp", NULL, bpp); |
405 | sysinfo_set_item_val("fb.bpp", NULL, bpp); |
406 | sysinfo_set_item_val("fb.bpp-align", NULL, align); |
406 | sysinfo_set_item_val("fb.bpp-align", NULL, align); |
407 | sysinfo_set_item_val("fb.scanline", NULL, scan); |
407 | sysinfo_set_item_val("fb.scanline", NULL, scan); |
408 | sysinfo_set_item_val("fb.address.physical", NULL, addr); |
408 | sysinfo_set_item_val("fb.address.physical", NULL, addr); |
409 | sysinfo_set_item_val("fb.invert-colors", NULL, invert_colors); |
409 | sysinfo_set_item_val("fb.invert-colors", NULL, invert_colors); |
410 | 410 | ||
411 | /* Allocate double buffer */ |
411 | /* Allocate double buffer */ |
412 | unsigned int order = fnzb(SIZE2FRAMES(ALIGN_UP(fbsize, FRAME_SIZE))) + 1; |
412 | unsigned int order = fnzb(SIZE2FRAMES(ALIGN_UP(fbsize, FRAME_SIZE))) + 1; |
413 | dbbuffer = (uint8_t * ) frame_alloc(order, FRAME_ATOMIC | FRAME_KA); |
413 | dbbuffer = (uint8_t * ) frame_alloc(order, FRAME_ATOMIC | FRAME_KA); |
414 | if (!dbbuffer) |
414 | if (!dbbuffer) |
415 | printf("Failed to allocate scroll buffer.\n"); |
415 | printf("Failed to allocate scroll buffer.\n"); |
416 | dboffset = 0; |
416 | dboffset = 0; |
417 | 417 | ||
418 | /* Initialized blank line */ |
418 | /* Initialized blank line */ |
419 | blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC); |
419 | blankline = (uint8_t *) malloc(ROW_BYTES, FRAME_ATOMIC); |
420 | if (!blankline) |
420 | if (!blankline) |
421 | panic("Failed to allocate blank line for framebuffer."); |
421 | panic("Failed to allocate blank line for framebuffer."); |
422 | for (y = 0; y < FONT_SCANLINES; y++) |
422 | for (y = 0; y < FONT_SCANLINES; y++) |
423 | for (x = 0; x < xres; x++) |
423 | for (x = 0; x < xres; x++) |
424 | (*rgb2scr)(&blankline[POINTPOS(x, y)], COLOR(BGCOLOR)); |
424 | (*rgb2scr)(&blankline[POINTPOS(x, y)], COLOR(BGCOLOR)); |
425 | 425 | ||
426 | clear_screen(); |
426 | clear_screen(); |
427 | 427 | ||
428 | /* Update size of screen to match text area */ |
428 | /* Update size of screen to match text area */ |
429 | yres = rows * FONT_SCANLINES; |
429 | yres = rows * FONT_SCANLINES; |
430 | 430 | ||
431 | draw_logo(xres - helenos_width, 0); |
431 | draw_logo(xres - helenos_width, 0); |
432 | invert_cursor(); |
432 | invert_cursor(); |
433 | 433 | ||
434 | chardev_initialize("fb", &framebuffer, &fb_ops); |
434 | chardev_initialize("fb", &framebuffer, &fb_ops); |
435 | stdout = &framebuffer; |
435 | stdout = &framebuffer; |
436 | } |
436 | } |
437 | 437 | ||
438 | /** @} |
438 | /** @} |
439 | */ |
439 | */ |
440 | 440 |