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/*
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/*
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 * Copyright (C) 2006 Jakub Vana
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 * Copyright (C) 2006 Jakub Vana
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 * Copyright (C) 2006 Ondrej Palkovsky
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 * Copyright (C) 2006 Ondrej Palkovsky
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 * All rights reserved.
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 * All rights reserved.
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 *
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * modification, are permitted provided that the following conditions
8
 * are met:
8
 * are met:
9
 *
9
 *
10
 * - Redistributions of source code must retain the above copyright
10
 * - Redistributions of source code must retain the above copyright
11
 *   notice, this list of conditions and the following disclaimer.
11
 *   notice, this list of conditions and the following disclaimer.
12
 * - Redistributions in binary form must reproduce the above copyright
12
 * - Redistributions in binary form must reproduce the above copyright
13
 *   notice, this list of conditions and the following disclaimer in the
13
 *   notice, this list of conditions and the following disclaimer in the
14
 *   documentation and/or other materials provided with the distribution.
14
 *   documentation and/or other materials provided with the distribution.
15
 * - The name of the author may not be used to endorse or promote products
15
 * - The name of the author may not be used to endorse or promote products
16
 *   derived from this software without specific prior written permission.
16
 *   derived from this software without specific prior written permission.
17
 *
17
 *
18
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
 */
28
 */
29
 
29
 
30
#include <stdlib.h>
30
#include <stdlib.h>
31
#include <unistd.h>
31
#include <unistd.h>
32
#include <string.h>
32
#include <string.h>
33
#include <ddi.h>
33
#include <ddi.h>
34
#include <sysinfo.h>
34
#include <sysinfo.h>
35
#include <align.h>
35
#include <align.h>
36
#include <as.h>
36
#include <as.h>
37
#include <ipc/fb.h>
37
#include <ipc/fb.h>
38
#include <ipc/ipc.h>
38
#include <ipc/ipc.h>
39
#include <ipc/ns.h>
39
#include <ipc/ns.h>
40
#include <ipc/services.h>
40
#include <ipc/services.h>
41
#include <kernel/errno.h>
41
#include <kernel/errno.h>
42
#include <async.h>
42
#include <async.h>
43
 
43
 
44
#include "font-8x16.h"
44
#include "font-8x16.h"
45
#include "helenos.xbm"
45
#include "helenos.xbm"
46
#include "fb.h"
46
#include "fb.h"
47
#include "main.h"
47
#include "main.h"
48
#include "../console/screenbuffer.h"
48
#include "../console/screenbuffer.h"
49
 
49
 
50
#define DEFAULT_BGCOLOR                0x000080
50
#define DEFAULT_BGCOLOR                0x000080
51
#define DEFAULT_FGCOLOR                0xffff00
51
#define DEFAULT_FGCOLOR                0xffff00
52
 
52
 
53
/***************************************************************/
53
/***************************************************************/
54
/* Pixel specific fuctions */
54
/* Pixel specific fuctions */
55
 
55
 
56
typedef void (*putpixel_fn_t)(unsigned int x, unsigned int y, int color);
56
typedef void (*putpixel_fn_t)(unsigned int x, unsigned int y, int color);
57
typedef int (*getpixel_fn_t)(unsigned int x, unsigned int y);
57
typedef int (*getpixel_fn_t)(unsigned int x, unsigned int y);
58
 
58
 
59
struct {
59
struct {
60
    __u8 *fbaddress ;
60
    __u8 *fbaddress ;
61
 
61
 
62
    unsigned int xres ;
62
    unsigned int xres ;
63
    unsigned int yres ;
63
    unsigned int yres ;
64
    unsigned int scanline ;
64
    unsigned int scanline ;
65
    unsigned int pixelbytes ;
65
    unsigned int pixelbytes ;
66
 
66
 
67
    putpixel_fn_t putpixel;
67
    putpixel_fn_t putpixel;
68
    getpixel_fn_t getpixel;
68
    getpixel_fn_t getpixel;
69
} screen;
69
} screen;
70
 
70
 
71
typedef struct {
71
typedef struct {
72
    int initialized;
72
    int initialized;
73
    unsigned int x, y;
73
    unsigned int x, y;
74
    unsigned int width, height;
74
    unsigned int width, height;
75
 
75
 
76
    /* Text support in window */
76
    /* Text support in window */
77
    unsigned int rows, cols;
77
    unsigned int rows, cols;
78
    /* Style for text printing */
78
    /* Style for text printing */
79
    style_t style;
79
    style_t style;
80
    /* Auto-cursor position */
80
    /* Auto-cursor position */
81
    int cursor_active, cur_col, cur_row;
81
    int cursor_active, cur_col, cur_row;
82
    int cursor_shown;
82
    int cursor_shown;
83
} viewport_t;
83
} viewport_t;
84
 
84
 
85
#define MAX_VIEWPORTS 128
85
#define MAX_VIEWPORTS 128
86
static viewport_t viewports[128];
86
static viewport_t viewports[128];
87
 
87
 
88
/* Allow only 1 connection */
88
/* Allow only 1 connection */
89
static int client_connected = 0;
89
static int client_connected = 0;
90
 
90
 
91
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
91
#define RED(x, bits)    ((x >> (16 + 8 - bits)) & ((1 << bits) - 1))
92
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
92
#define GREEN(x, bits)  ((x >> (8 + 8 - bits)) & ((1 << bits) - 1))
93
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
93
#define BLUE(x, bits)   ((x >> (8 - bits)) & ((1 << bits) - 1))
94
 
94
 
95
#define COL_WIDTH   8
95
#define COL_WIDTH   8
96
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
96
#define ROW_BYTES   (screen.scanline * FONT_SCANLINES)
97
 
97
 
98
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
98
#define POINTPOS(x, y)  ((y) * screen.scanline + (x) * screen.pixelbytes)
99
 
99
 
100
/** Put pixel - 24-bit depth, 1 free byte */
100
/** Put pixel - 24-bit depth, 1 free byte */
101
static void putpixel_4byte(unsigned int x, unsigned int y, int color)
101
static void putpixel_4byte(unsigned int x, unsigned int y, int color)
102
{
102
{
103
    *((__u32 *)(screen.fbaddress + POINTPOS(x, y))) = color;
103
    *((__u32 *)(screen.fbaddress + POINTPOS(x, y))) = color;
104
}
104
}
105
 
105
 
106
/** Return pixel color - 24-bit depth, 1 free byte */
106
/** Return pixel color - 24-bit depth, 1 free byte */
107
static int getpixel_4byte(unsigned int x, unsigned int y)
107
static int getpixel_4byte(unsigned int x, unsigned int y)
108
{
108
{
109
    return *((__u32 *)(screen.fbaddress + POINTPOS(x, y))) & 0xffffff;
109
    return *((__u32 *)(screen.fbaddress + POINTPOS(x, y))) & 0xffffff;
110
}
110
}
111
 
111
 
112
/** Put pixel - 24-bit depth */
112
/** Put pixel - 24-bit depth */
113
static void putpixel_3byte(unsigned int x, unsigned int y, int color)
113
static void putpixel_3byte(unsigned int x, unsigned int y, int color)
114
{
114
{
115
    unsigned int startbyte = POINTPOS(x, y);
115
    unsigned int startbyte = POINTPOS(x, y);
116
 
116
 
117
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
117
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
118
    screen.fbaddress[startbyte] = RED(color, 8);
118
    screen.fbaddress[startbyte] = RED(color, 8);
119
    screen.fbaddress[startbyte + 1] = GREEN(color, 8);
119
    screen.fbaddress[startbyte + 1] = GREEN(color, 8);
120
    screen.fbaddress[startbyte + 2] = BLUE(color, 8);
120
    screen.fbaddress[startbyte + 2] = BLUE(color, 8);
121
#else
121
#else
122
    screen.fbaddress[startbyte + 2] = RED(color, 8);
122
    screen.fbaddress[startbyte + 2] = RED(color, 8);
123
    screen.fbaddress[startbyte + 1] = GREEN(color, 8);
123
    screen.fbaddress[startbyte + 1] = GREEN(color, 8);
124
    screen.fbaddress[startbyte + 0] = BLUE(color, 8);
124
    screen.fbaddress[startbyte + 0] = BLUE(color, 8);
125
#endif
125
#endif
126
 
126
 
127
}
127
}
128
 
128
 
129
/** Return pixel color - 24-bit depth */
129
/** Return pixel color - 24-bit depth */
130
static int getpixel_3byte(unsigned int x, unsigned int y)
130
static int getpixel_3byte(unsigned int x, unsigned int y)
131
{
131
{
132
    unsigned int startbyte = POINTPOS(x, y);
132
    unsigned int startbyte = POINTPOS(x, y);
133
 
133
 
134
 
134
 
135
 
135
 
136
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
136
#if (defined(BIG_ENDIAN) || defined(FB_BIG_ENDIAN))
137
    return screen.fbaddress[startbyte] << 16 | screen.fbaddress[startbyte + 1] << 8 | screen.fbaddress[startbyte + 2];
137
    return screen.fbaddress[startbyte] << 16 | screen.fbaddress[startbyte + 1] << 8 | screen.fbaddress[startbyte + 2];
138
#else
138
#else
139
    return screen.fbaddress[startbyte + 2] << 16 | screen.fbaddress[startbyte + 1] << 8 | screen.fbaddress[startbyte + 0];
139
    return screen.fbaddress[startbyte + 2] << 16 | screen.fbaddress[startbyte + 1] << 8 | screen.fbaddress[startbyte + 0];
140
#endif
140
#endif
141
                               
141
                               
142
 
142
 
143
}
143
}
144
 
144
 
145
/** Put pixel - 16-bit depth (5:6:5) */
145
/** Put pixel - 16-bit depth (5:6:5) */
146
static void putpixel_2byte(unsigned int x, unsigned int y, int color)
146
static void putpixel_2byte(unsigned int x, unsigned int y, int color)
147
{
147
{
148
    /* 5-bit, 6-bits, 5-bits */
148
    /* 5-bit, 6-bits, 5-bits */
149
    *((__u16 *)(screen.fbaddress + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5);
149
    *((__u16 *)(screen.fbaddress + POINTPOS(x, y))) = RED(color, 5) << 11 | GREEN(color, 6) << 5 | BLUE(color, 5);
150
}
150
}
151
 
151
 
152
/** Return pixel color - 16-bit depth (5:6:5) */
152
/** Return pixel color - 16-bit depth (5:6:5) */
153
static int getpixel_2byte(unsigned int x, unsigned int y)
153
static int getpixel_2byte(unsigned int x, unsigned int y)
154
{
154
{
155
    int color = *((__u16 *)(screen.fbaddress + POINTPOS(x, y)));
155
    int color = *((__u16 *)(screen.fbaddress + POINTPOS(x, y)));
156
    return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
156
    return (((color >> 11) & 0x1f) << (16 + 3)) | (((color >> 5) & 0x3f) << (8 + 2)) | ((color & 0x1f) << 3);
157
}
157
}
158
 
158
 
159
/** Put pixel - 8-bit depth (3:2:3) */
159
/** Put pixel - 8-bit depth (3:2:3) */
160
static void putpixel_1byte(unsigned int x, unsigned int y, int color)
160
static void putpixel_1byte(unsigned int x, unsigned int y, int color)
161
{
161
{
162
    screen.fbaddress[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3);
162
    screen.fbaddress[POINTPOS(x, y)] = RED(color, 3) << 5 | GREEN(color, 2) << 3 | BLUE(color, 3);
163
}
163
}
164
 
164
 
165
/** Return pixel color - 8-bit depth (3:2:3) */
165
/** Return pixel color - 8-bit depth (3:2:3) */
166
static int getpixel_1byte(unsigned int x, unsigned int y)
166
static int getpixel_1byte(unsigned int x, unsigned int y)
167
{
167
{
168
    int color = screen.fbaddress[POINTPOS(x, y)];
168
    int color = screen.fbaddress[POINTPOS(x, y)];
169
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
169
    return (((color >> 5) & 0x7) << (16 + 5)) | (((color >> 3) & 0x3) << (8 + 6)) | ((color & 0x7) << 5);
170
}
170
}
171
 
171
 
172
/** Put pixel into viewport
172
/** Put pixel into viewport
173
 *
173
 *
174
 * @param vp Viewport identification
174
 * @param vp Viewport identification
175
 * @param x X coord relative to viewport
175
 * @param x X coord relative to viewport
176
 * @param y Y coord relative to viewport
176
 * @param y Y coord relative to viewport
177
 * @param color RGB color
177
 * @param color RGB color
178
 */
178
 */
179
static void putpixel(int vp, unsigned int x, unsigned int y, int color)
179
static void putpixel(int vp, unsigned int x, unsigned int y, int color)
180
{
180
{
181
    screen.putpixel(viewports[vp].x + x, viewports[vp].y + y, color);
181
    screen.putpixel(viewports[vp].x + x, viewports[vp].y + y, color);
182
}
182
}
183
/** Get pixel from viewport */
183
/** Get pixel from viewport */
184
static int getpixel(int vp, unsigned int x, unsigned int y)
184
static int getpixel(int vp, unsigned int x, unsigned int y)
185
{
185
{
186
    return screen.getpixel(viewports[vp].x + x, viewports[vp].y + y);
186
    return screen.getpixel(viewports[vp].x + x, viewports[vp].y + y);
187
}
187
}
188
 
188
 
189
/** Fill line with color BGCOLOR */
189
/** Fill line with color BGCOLOR */
190
static void clear_line(int vp, unsigned int y)
190
static void clear_line(int vp, unsigned int y)
191
{
191
{
192
    unsigned int x;
192
    unsigned int x;
193
    for (x = 0; x < viewports[vp].width; x++)
193
    for (x = 0; x < viewports[vp].width; x++)
194
        putpixel(vp, x, y, viewports[vp].style.bg_color);
194
        putpixel(vp, x, y, viewports[vp].style.bg_color);
195
}
195
}
196
 
196
 
197
/** Fill viewport with background color */
197
/** Fill viewport with background color */
198
static void clear_port(int vp)
198
static void clear_port(int vp)
199
{
199
{
200
    unsigned int y;
200
    unsigned int y;
201
 
201
 
202
    clear_line(vp, 0);
202
    clear_line(vp, 0);
203
    for (y = viewports[vp].y+1; y < viewports[vp].y+viewports[vp].height; y++) {
203
    for (y = viewports[vp].y+1; y < viewports[vp].y+viewports[vp].height; y++) {
204
        memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
204
        memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
205
               &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
205
               &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
206
               screen.pixelbytes * viewports[vp].width);
206
               screen.pixelbytes * viewports[vp].width);
207
    }  
207
    }  
208
}
208
}
209
 
209
 
210
/** Scroll port up/down
210
/** Scroll port up/down
211
 *
211
 *
212
 * @param vp Viewport to scroll
212
 * @param vp Viewport to scroll
213
 * @param rows Positive number - scroll up, negative - scroll down
213
 * @param rows Positive number - scroll up, negative - scroll down
214
 */
214
 */
215
static void scroll_port(int vp, int rows)
215
static void scroll_port(int vp, int rows)
216
{
216
{
217
    int y;
217
    int y;
218
    int startline;
218
    int startline;
219
    int endline;
219
    int endline;
220
   
220
   
221
    if (rows > 0) {
221
    if (rows > 0) {
222
        for (y=viewports[vp].y; y < viewports[vp].y+viewports[vp].height - rows*FONT_SCANLINES; y++)
222
        for (y=viewports[vp].y; y < viewports[vp].y+viewports[vp].height - rows*FONT_SCANLINES; y++)
223
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
223
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
224
                   &screen.fbaddress[POINTPOS(viewports[vp].x,y + rows*FONT_SCANLINES)],
224
                   &screen.fbaddress[POINTPOS(viewports[vp].x,y + rows*FONT_SCANLINES)],
225
                   screen.pixelbytes * viewports[vp].width);
225
                   screen.pixelbytes * viewports[vp].width);
226
        /* Clear last row */
226
        /* Clear last row */
227
        startline = viewports[vp].y+FONT_SCANLINES*(viewports[vp].rows-1);
227
        startline = viewports[vp].y+FONT_SCANLINES*(viewports[vp].rows-1);
228
        endline = viewports[vp].y + viewports[vp].height;
228
        endline = viewports[vp].y + viewports[vp].height;
229
        clear_line(vp, startline);
229
        clear_line(vp, startline);
230
        for (y=startline+1;y < endline; y++)
230
        for (y=startline+1;y < endline; y++)
231
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
231
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
232
                   &screen.fbaddress[POINTPOS(viewports[vp].x,startline)],
232
                   &screen.fbaddress[POINTPOS(viewports[vp].x,startline)],
233
                   screen.pixelbytes * viewports[vp].width);
233
                   screen.pixelbytes * viewports[vp].width);
234
                 
234
                 
235
    } else if (rows < 0) {
235
    } else if (rows < 0) {
236
        rows = -rows;
236
        rows = -rows;
237
        for (y=viewports[vp].y + viewports[vp].height-1; y >= viewports[vp].y + rows*FONT_SCANLINES; y--)
237
        for (y=viewports[vp].y + viewports[vp].height-1; y >= viewports[vp].y + rows*FONT_SCANLINES; y--)
238
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
238
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,y)],
239
                &screen.fbaddress[POINTPOS(viewports[vp].x,y - rows*FONT_SCANLINES)],
239
                &screen.fbaddress[POINTPOS(viewports[vp].x,y - rows*FONT_SCANLINES)],
240
                screen.pixelbytes * viewports[vp].width);
240
                screen.pixelbytes * viewports[vp].width);
241
        /* Clear first row */
241
        /* Clear first row */
242
        clear_line(0, viewports[vp].style.bg_color);
242
        clear_line(0, viewports[vp].style.bg_color);
243
        for (y=1;y < rows*FONT_SCANLINES; y++)
243
        for (y=1;y < rows*FONT_SCANLINES; y++)
244
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y+y)],
244
            memcpy(&screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y+y)],
245
                   &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
245
                   &screen.fbaddress[POINTPOS(viewports[vp].x,viewports[vp].y)],
246
                   screen.pixelbytes * viewports[vp].width);
246
                   screen.pixelbytes * viewports[vp].width);
247
    }
247
    }
248
}
248
}
249
 
249
 
250
static void invert_pixel(int vp,unsigned int x, unsigned int y)
250
static void invert_pixel(int vp,unsigned int x, unsigned int y)
251
{
251
{
252
    putpixel(vp, x, y, ~getpixel(vp, x, y));
252
    putpixel(vp, x, y, ~getpixel(vp, x, y));
253
}
253
}
254
 
254
 
255
 
255
 
256
/***************************************************************/
256
/***************************************************************/
257
/* Character-console functions */
257
/* Character-console functions */
258
 
258
 
259
/** Draw character at given position */
259
/** Draw character at given position */
260
static void draw_glyph(int vp,__u8 glyph, unsigned int sx, unsigned int sy, style_t style)
260
static void draw_glyph(int vp,__u8 glyph, unsigned int sx, unsigned int sy, style_t style)
261
{
261
{
262
    int i;
262
    int i;
263
    unsigned int y;
263
    unsigned int y;
264
    unsigned int glline;
264
    unsigned int glline;
265
 
265
 
266
    for (y = 0; y < FONT_SCANLINES; y++) {
266
    for (y = 0; y < FONT_SCANLINES; y++) {
267
        glline = fb_font[glyph * FONT_SCANLINES + y];
267
        glline = fb_font[glyph * FONT_SCANLINES + y];
268
        for (i = 0; i < 8; i++) {
268
        for (i = 0; i < 8; i++) {
269
            if (glline & (1 << (7 - i)))
269
            if (glline & (1 << (7 - i)))
270
                putpixel(vp, sx + i, sy + y, style.fg_color);
270
                putpixel(vp, sx + i, sy + y, style.fg_color);
271
            else
271
            else
272
                putpixel(vp, sx + i, sy + y, style.bg_color);
272
                putpixel(vp, sx + i, sy + y, style.bg_color);
273
        }
273
        }
274
    }
274
    }
275
}
275
}
276
 
276
 
277
/** Invert character at given position */
277
/** Invert character at given position */
278
static void invert_char(int vp,unsigned int row, unsigned int col)
278
static void invert_char(int vp,unsigned int row, unsigned int col)
279
{
279
{
280
    unsigned int x;
280
    unsigned int x;
281
    unsigned int y;
281
    unsigned int y;
282
 
282
 
283
    for (x = 0; x < COL_WIDTH; x++)
283
    for (x = 0; x < COL_WIDTH; x++)
284
        for (y = 0; y < FONT_SCANLINES; y++)
284
        for (y = 0; y < FONT_SCANLINES; y++)
285
            invert_pixel(vp, col * COL_WIDTH + x, row * FONT_SCANLINES + y);
285
            invert_pixel(vp, col * COL_WIDTH + x, row * FONT_SCANLINES + y);
286
}
286
}
287
 
287
 
288
static void draw_logo(int vp,unsigned int startx, unsigned int starty)
288
static void draw_logo(int vp,unsigned int startx, unsigned int starty)
289
{
289
{
290
    unsigned int x;
290
    unsigned int x;
291
    unsigned int y;
291
    unsigned int y;
292
    unsigned int byte;
292
    unsigned int byte;
293
    unsigned int rowbytes;
293
    unsigned int rowbytes;
294
 
294
 
295
    rowbytes = (helenos_width - 1) / 8 + 1;
295
    rowbytes = (helenos_width - 1) / 8 + 1;
296
 
296
 
297
    for (y = 0; y < helenos_height; y++)
297
    for (y = 0; y < helenos_height; y++)
298
        for (x = 0; x < helenos_width; x++) {
298
        for (x = 0; x < helenos_width; x++) {
299
            byte = helenos_bits[rowbytes * y + x / 8];
299
            byte = helenos_bits[rowbytes * y + x / 8];
300
            byte >>= x % 8;
300
            byte >>= x % 8;
301
            if (byte & 1)
301
            if (byte & 1)
302
                putpixel(vp ,startx + x, starty + y, viewports[vp].style.fg_color);
302
                putpixel(vp ,startx + x, starty + y, viewports[vp].style.fg_color);
303
        }
303
        }
304
}
304
}
305
 
305
 
306
/***************************************************************/
306
/***************************************************************/
307
/* Stdout specific functions */
307
/* Stdout specific functions */
308
 
308
 
309
 
309
 
310
/** Create new viewport
310
/** Create new viewport
311
 *
311
 *
312
 * @return New viewport number
312
 * @return New viewport number
313
 */
313
 */
314
static int viewport_create(unsigned int x, unsigned int y,unsigned int width,
314
static int viewport_create(unsigned int x, unsigned int y,unsigned int width,
315
               unsigned int height)
315
               unsigned int height)
316
{
316
{
317
    int i;
317
    int i;
318
 
318
 
319
for (i=0; i < MAX_VIEWPORTS; i++) {
319
for (i=0; i < MAX_VIEWPORTS; i++) {
320
        if (!viewports[i].initialized)
320
        if (!viewports[i].initialized)
321
            break;
321
            break;
322
    }
322
    }
323
    if (i == MAX_VIEWPORTS)
323
    if (i == MAX_VIEWPORTS)
324
        return ELIMIT;
324
        return ELIMIT;
325
 
325
 
326
    if (width ==0 || height == 0 ||
326
    if (width ==0 || height == 0 ||
327
        x+width > screen.xres || y+height > screen.yres)
327
        x+width > screen.xres || y+height > screen.yres)
328
        return EINVAL;
328
        return EINVAL;
329
    if (width < FONT_SCANLINES || height < COL_WIDTH)
329
    if (width < FONT_SCANLINES || height < COL_WIDTH)
330
        return EINVAL;
330
        return EINVAL;
331
 
331
 
332
    viewports[i].x = x;
332
    viewports[i].x = x;
333
    viewports[i].y = y;
333
    viewports[i].y = y;
334
    viewports[i].width = width;
334
    viewports[i].width = width;
335
    viewports[i].height = height;
335
    viewports[i].height = height;
336
   
336
   
337
    viewports[i].rows = height / FONT_SCANLINES;
337
    viewports[i].rows = height / FONT_SCANLINES;
338
    viewports[i].cols = width / COL_WIDTH;
338
    viewports[i].cols = width / COL_WIDTH;
339
 
339
 
340
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
340
    viewports[i].style.bg_color = DEFAULT_BGCOLOR;
341
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
341
    viewports[i].style.fg_color = DEFAULT_FGCOLOR;
342
   
342
   
343
    viewports[i].cur_col = 0;
343
    viewports[i].cur_col = 0;
344
    viewports[i].cur_row = 0;
344
    viewports[i].cur_row = 0;
345
    viewports[i].cursor_active = 0;
345
    viewports[i].cursor_active = 0;
346
 
346
 
347
    viewports[i].initialized = 1;
347
    viewports[i].initialized = 1;
348
 
348
 
349
    return i;
349
    return i;
350
}
350
}
351
 
351
 
352
 
352
 
353
/** Initialize framebuffer as a chardev output device
353
/** Initialize framebuffer as a chardev output device
354
 *
354
 *
355
 * @param addr Address of theframebuffer
355
 * @param addr Address of theframebuffer
356
 * @param x    Screen width in pixels
356
 * @param x    Screen width in pixels
357
 * @param y    Screen height in pixels
357
 * @param y    Screen height in pixels
358
 * @param bpp  Bits per pixel (8, 16, 24, 32)
358
 * @param bpp  Bits per pixel (8, 16, 24, 32)
359
 * @param scan Bytes per one scanline
359
 * @param scan Bytes per one scanline
360
 *
360
 *
361
 */
361
 */
362
static void screen_init(void *addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan)
362
static void screen_init(void *addr, unsigned int xres, unsigned int yres, unsigned int bpp, unsigned int scan)
363
{
363
{
364
    switch (bpp) {
364
    switch (bpp) {
365
        case 8:
365
        case 8:
366
            screen.putpixel = putpixel_1byte;
366
            screen.putpixel = putpixel_1byte;
367
            screen.getpixel = getpixel_1byte;
367
            screen.getpixel = getpixel_1byte;
368
            screen.pixelbytes = 1;
368
            screen.pixelbytes = 1;
369
            break;
369
            break;
370
        case 16:
370
        case 16:
371
            screen.putpixel = putpixel_2byte;
371
            screen.putpixel = putpixel_2byte;
372
            screen.getpixel = getpixel_2byte;
372
            screen.getpixel = getpixel_2byte;
373
            screen.pixelbytes = 2;
373
            screen.pixelbytes = 2;
374
            break;
374
            break;
375
        case 24:
375
        case 24:
376
            screen.putpixel = putpixel_3byte;
376
            screen.putpixel = putpixel_3byte;
377
            screen.getpixel = getpixel_3byte;
377
            screen.getpixel = getpixel_3byte;
378
            screen.pixelbytes = 3;
378
            screen.pixelbytes = 3;
379
            break;
379
            break;
380
        case 32:
380
        case 32:
381
            screen.putpixel = putpixel_4byte;
381
            screen.putpixel = putpixel_4byte;
382
            screen.getpixel = getpixel_4byte;
382
            screen.getpixel = getpixel_4byte;
383
            screen.pixelbytes = 4;
383
            screen.pixelbytes = 4;
384
            break;
384
            break;
385
    }
385
    }
386
 
386
 
387
       
387
       
388
    screen.fbaddress = (unsigned char *) addr;
388
    screen.fbaddress = (unsigned char *) addr;
389
    screen.xres = xres;
389
    screen.xres = xres;
390
    screen.yres = yres;
390
    screen.yres = yres;
391
    screen.scanline = scan;
391
    screen.scanline = scan;
392
   
392
   
393
    /* Create first viewport */
393
    /* Create first viewport */
394
    viewport_create(0,0,xres,yres);
394
    viewport_create(0,0,xres,yres);
395
}
395
}
396
 
396
 
397
static void cursor_hide(int vp)
397
static void cursor_hide(int vp)
398
{
398
{
399
    viewport_t *vport = &viewports[vp];
399
    viewport_t *vport = &viewports[vp];
400
 
400
 
401
    if (vport->cursor_active && vport->cursor_shown) {
401
    if (vport->cursor_active && vport->cursor_shown) {
402
        invert_char(vp, vport->cur_row, vport->cur_col);
402
        invert_char(vp, vport->cur_row, vport->cur_col);
403
        vport->cursor_shown = 0;
403
        vport->cursor_shown = 0;
404
    }
404
    }
405
}
405
}
406
 
406
 
407
static void cursor_print(int vp)
407
static void cursor_print(int vp)
408
{
408
{
409
    viewport_t *vport = &viewports[vp];
409
    viewport_t *vport = &viewports[vp];
410
 
410
 
411
    /* Do not check for cursor_shown */
411
    /* Do not check for cursor_shown */
412
    if (vport->cursor_active) {
412
    if (vport->cursor_active) {
413
        invert_char(vp, vport->cur_row, vport->cur_col);
413
        invert_char(vp, vport->cur_row, vport->cur_col);
414
        vport->cursor_shown = 1;
414
        vport->cursor_shown = 1;
415
    }
415
    }
416
}
416
}
417
 
417
 
418
static void cursor_blink(int vp)
418
static void cursor_blink(int vp)
419
{
419
{
420
    viewport_t *vport = &viewports[vp];
420
    viewport_t *vport = &viewports[vp];
421
 
421
 
422
    if (vport->cursor_shown)
422
    if (vport->cursor_shown)
423
        cursor_hide(vp);
423
        cursor_hide(vp);
424
    else
424
    else
425
        cursor_print(vp);
425
        cursor_print(vp);
426
}
426
}
427
 
427
 
428
/** Draw character at given position relative to viewport
428
/** Draw character at given position relative to viewport
429
 *
429
 *
430
 * @param vp Viewport identification
430
 * @param vp Viewport identification
431
 * @param c Character to print
431
 * @param c Character to print
432
 * @param row Screen position relative to viewport
432
 * @param row Screen position relative to viewport
433
 * @param col Screen position relative to viewport
433
 * @param col Screen position relative to viewport
434
 */
434
 */
435
static void draw_char(int vp, char c, unsigned int row, unsigned int col, style_t style)
435
static void draw_char(int vp, char c, unsigned int row, unsigned int col, style_t style)
436
{
436
{
437
    viewport_t *vport = &viewports[vp];
437
    viewport_t *vport = &viewports[vp];
438
 
438
 
439
    /* Optimize - do not hide cursor if we are going to overwrite it */
439
    /* Optimize - do not hide cursor if we are going to overwrite it */
440
    if (vport->cursor_active && vport->cursor_shown &&
440
    if (vport->cursor_active && vport->cursor_shown &&
441
        (vport->cur_col != col || vport->cur_row != row))
441
        (vport->cur_col != col || vport->cur_row != row))
442
        invert_char(vp, vport->cur_row, vport->cur_col);
442
        invert_char(vp, vport->cur_row, vport->cur_col);
443
   
443
   
444
    draw_glyph(vp, c, col * COL_WIDTH, row * FONT_SCANLINES, style);
444
    draw_glyph(vp, c, col * COL_WIDTH, row * FONT_SCANLINES, style);
445
 
445
 
446
    vport->cur_col = col;
446
    vport->cur_col = col;
447
    vport->cur_row = row;
447
    vport->cur_row = row;
448
 
448
 
449
    vport->cur_col++;
449
    vport->cur_col++;
450
    if (vport->cur_col>= vport->cols) {
450
    if (vport->cur_col>= vport->cols) {
451
        vport->cur_col = 0;
451
        vport->cur_col = 0;
452
        vport->cur_row++;
452
        vport->cur_row++;
453
        if (vport->cur_row >= vport->rows)
453
        if (vport->cur_row >= vport->rows)
454
            vport->cur_row--;
454
            vport->cur_row--;
455
    }
455
    }
456
    cursor_print(vp);
456
    cursor_print(vp);
457
}
457
}
458
 
458
 
459
static void draw_text_data(int vp, keyfield_t *data)
459
static void draw_text_data(int vp, keyfield_t *data)
460
{
460
{
461
    viewport_t *vport = &viewports[vp];
461
    viewport_t *vport = &viewports[vp];
462
    int i;
462
    int i;
463
    char c;
463
    char c;
-
 
464
    int col,row;
464
 
465
 
465
    clear_port(vp);
466
    clear_port(vp);
466
    for (i=0; i < vport->cols * vport->rows; i++) {
467
    for (i=0; i < vport->cols * vport->rows; i++) {
467
        if (data[i].character == ' ' && style_same(data[i].style,vport->style))
468
        if (data[i].character == ' ' && style_same(data[i].style,vport->style))
468
            continue;
469
            continue;
469
        draw_char(vp, data[i].character, i/vport->cols, i % vport->cols,
470
        col = i % vport->cols;
470
              data[i].style);
471
        row = i / vport->cols;
-
 
472
        draw_glyph(vp, data[i].character, col * COL_WIDTH, row * FONT_SCANLINES, data[i].style);
471
    }
473
    }
472
    cursor_print(vp);
474
    cursor_print(vp);
473
}
475
}
474
 
476
 
475
 
477
 
476
/** Function for handling connections to FB
478
/** Function for handling connections to FB
477
 *
479
 *
478
 */
480
 */
479
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
481
static void fb_client_connection(ipc_callid_t iid, ipc_call_t *icall)
480
{
482
{
481
    ipc_callid_t callid;
483
    ipc_callid_t callid;
482
    ipc_call_t call;
484
    ipc_call_t call;
483
    int retval;
485
    int retval;
484
    int i;
486
    int i;
485
    unsigned int row,col;
487
    unsigned int row,col;
486
    char c;
488
    char c;
487
    keyfield_t *interbuffer = NULL;
489
    keyfield_t *interbuffer = NULL;
488
    size_t intersize = 0;
490
    size_t intersize = 0;
489
 
491
 
490
    int vp = 0;
492
    int vp = 0;
491
    viewport_t *vport = &viewports[0];
493
    viewport_t *vport = &viewports[0];
492
 
494
 
493
    if (client_connected) {
495
    if (client_connected) {
494
        ipc_answer_fast(iid, ELIMIT, 0,0);
496
        ipc_answer_fast(iid, ELIMIT, 0,0);
495
        return;
497
        return;
496
    }
498
    }
497
    client_connected = 1;
499
    client_connected = 1;
498
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
500
    ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */
499
 
501
 
500
    while (1) {
502
    while (1) {
501
        callid = async_get_call_timeout(&call,250000);
503
        callid = async_get_call_timeout(&call,250000);
502
        if (!callid) {
504
        if (!callid) {
503
            cursor_blink(vp);
505
            cursor_blink(vp);
504
            continue;
506
            continue;
505
        }
507
        }
506
        switch (IPC_GET_METHOD(call)) {
508
        switch (IPC_GET_METHOD(call)) {
507
        case IPC_M_PHONE_HUNGUP:
509
        case IPC_M_PHONE_HUNGUP:
508
            client_connected = 0;
510
            client_connected = 0;
509
            /* cleanup other viewports */
511
            /* cleanup other viewports */
510
            for (i=1; i < MAX_VIEWPORTS; i++)
512
            for (i=1; i < MAX_VIEWPORTS; i++)
511
                vport->initialized = 0;
513
                vport->initialized = 0;
512
            ipc_answer_fast(callid,0,0,0);
514
            ipc_answer_fast(callid,0,0,0);
513
            return; /* Exit thread */
515
            return; /* Exit thread */
514
        case IPC_M_AS_AREA_SEND:
516
        case IPC_M_AS_AREA_SEND:
515
            /* We accept one area for data interchange */
517
            /* We accept one area for data interchange */
516
            intersize = IPC_GET_ARG2(call);
518
            intersize = IPC_GET_ARG2(call);
517
            receive_comm_area(callid,&call,(void **)&interbuffer,
519
            receive_comm_area(callid,&call,(void **)&interbuffer,
518
                      sizeof(*interbuffer)*viewports[0].cols*viewports[0].rows);
520
                      sizeof(*interbuffer)*viewports[0].cols*viewports[0].rows);
519
            continue;
521
            continue;
520
 
522
 
521
        case FB_DRAW_TEXT_DATA:
523
        case FB_DRAW_TEXT_DATA:
522
            if (!interbuffer) {
524
            if (!interbuffer) {
523
                retval = EINVAL;
525
                retval = EINVAL;
524
                break;
526
                break;
525
            }
527
            }
526
            if (intersize < vport->cols*vport->rows*sizeof(*interbuffer)) {
528
            if (intersize < vport->cols*vport->rows*sizeof(*interbuffer)) {
527
                retval = EINVAL;
529
                retval = EINVAL;
528
                break;
530
                break;
529
            }
531
            }
530
            draw_text_data(vp, interbuffer);
532
            draw_text_data(vp, interbuffer);
531
            retval = 0;
533
            retval = 0;
532
            break;
534
            break;
533
        case FB_PUTCHAR:
535
        case FB_PUTCHAR:
534
            c = IPC_GET_ARG1(call);
536
            c = IPC_GET_ARG1(call);
535
            row = IPC_GET_ARG2(call);
537
            row = IPC_GET_ARG2(call);
536
            col = IPC_GET_ARG3(call);
538
            col = IPC_GET_ARG3(call);
537
            if (row >= vport->rows || col >= vport->cols) {
539
            if (row >= vport->rows || col >= vport->cols) {
538
                retval = EINVAL;
540
                retval = EINVAL;
539
                break;
541
                break;
540
            }
542
            }
541
            ipc_answer_fast(callid,0,0,0);
543
            ipc_answer_fast(callid,0,0,0);
542
 
544
 
543
            draw_char(vp, c, row, col, vport->style);
545
            draw_char(vp, c, row, col, vport->style);
544
            continue; /* msg already answered */
546
            continue; /* msg already answered */
545
        case FB_CLEAR:
547
        case FB_CLEAR:
546
            clear_port(vp);
548
            clear_port(vp);
547
            cursor_print(vp);
549
            cursor_print(vp);
548
            retval = 0;
550
            retval = 0;
549
            break;
551
            break;
550
        case FB_CURSOR_GOTO:
552
        case FB_CURSOR_GOTO:
551
            row = IPC_GET_ARG1(call);
553
            row = IPC_GET_ARG1(call);
552
            col = IPC_GET_ARG2(call);
554
            col = IPC_GET_ARG2(call);
553
            if (row >= vport->rows || col >= vport->cols) {
555
            if (row >= vport->rows || col >= vport->cols) {
554
                retval = EINVAL;
556
                retval = EINVAL;
555
                break;
557
                break;
556
            }
558
            }
557
            retval = 0;
559
            retval = 0;
558
            cursor_hide(vp);
560
            cursor_hide(vp);
559
            vport->cur_col = col;
561
            vport->cur_col = col;
560
            vport->cur_row = row;
562
            vport->cur_row = row;
561
            cursor_print(vp);
563
            cursor_print(vp);
562
            break;
564
            break;
563
        case FB_CURSOR_VISIBILITY:
565
        case FB_CURSOR_VISIBILITY:
564
            cursor_hide(vp);
566
            cursor_hide(vp);
565
            vport->cursor_active = IPC_GET_ARG1(call);
567
            vport->cursor_active = IPC_GET_ARG1(call);
566
            cursor_print(vp);
568
            cursor_print(vp);
567
            retval = 0;
569
            retval = 0;
568
            break;
570
            break;
569
        case FB_GET_CSIZE:
571
        case FB_GET_CSIZE:
570
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
572
            ipc_answer_fast(callid, 0, vport->rows, vport->cols);
571
            continue;
573
            continue;
572
        case FB_SCROLL:
574
        case FB_SCROLL:
573
            i = IPC_GET_ARG1(call);
575
            i = IPC_GET_ARG1(call);
574
            if (i > vport->rows || i < (- (int)vport->rows)) {
576
            if (i > vport->rows || i < (- (int)vport->rows)) {
575
                retval = EINVAL;
577
                retval = EINVAL;
576
                break;
578
                break;
577
            }
579
            }
578
            cursor_hide(vp);
580
            cursor_hide(vp);
579
            scroll_port(vp, i);
581
            scroll_port(vp, i);
580
            cursor_print(vp);
582
            cursor_print(vp);
581
            retval = 0;
583
            retval = 0;
582
            break;
584
            break;
583
        case FB_VIEWPORT_SWITCH:
585
        case FB_VIEWPORT_SWITCH:
584
            i = IPC_GET_ARG1(call);
586
            i = IPC_GET_ARG1(call);
585
            if (i < 0 || i >= MAX_VIEWPORTS) {
587
            if (i < 0 || i >= MAX_VIEWPORTS) {
586
                retval = EINVAL;
588
                retval = EINVAL;
587
                break;
589
                break;
588
            }
590
            }
589
            if (! viewports[i].initialized ) {
591
            if (! viewports[i].initialized ) {
590
                retval = EADDRNOTAVAIL;
592
                retval = EADDRNOTAVAIL;
591
                break;
593
                break;
592
            }
594
            }
593
            cursor_hide(vp);
595
            cursor_hide(vp);
594
            vp = i;
596
            vp = i;
595
            vport = &viewports[vp];
597
            vport = &viewports[vp];
596
            cursor_print(vp);
598
            cursor_print(vp);
597
            retval = 0;
599
            retval = 0;
598
            break;
600
            break;
599
        case FB_VIEWPORT_CREATE:
601
        case FB_VIEWPORT_CREATE:
600
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
602
            retval = viewport_create(IPC_GET_ARG1(call) >> 16,
601
                         IPC_GET_ARG1(call) & 0xffff,
603
                         IPC_GET_ARG1(call) & 0xffff,
602
                         IPC_GET_ARG2(call) >> 16,
604
                         IPC_GET_ARG2(call) >> 16,
603
                         IPC_GET_ARG2(call) & 0xffff);
605
                         IPC_GET_ARG2(call) & 0xffff);
604
            break;
606
            break;
605
        case FB_VIEWPORT_DELETE:
607
        case FB_VIEWPORT_DELETE:
606
            i = IPC_GET_ARG1(call);
608
            i = IPC_GET_ARG1(call);
607
            if (i < 0 || i >= MAX_VIEWPORTS) {
609
            if (i < 0 || i >= MAX_VIEWPORTS) {
608
                retval = EINVAL;
610
                retval = EINVAL;
609
                break;
611
                break;
610
            }
612
            }
611
            if (! viewports[i].initialized ) {
613
            if (! viewports[i].initialized ) {
612
                retval = EADDRNOTAVAIL;
614
                retval = EADDRNOTAVAIL;
613
                break;
615
                break;
614
            }
616
            }
615
            viewports[i].initialized = 0;
617
            viewports[i].initialized = 0;
616
            retval = 0;
618
            retval = 0;
617
            break;
619
            break;
618
        case FB_SET_STYLE:
620
        case FB_SET_STYLE:
619
            vport->style.fg_color = IPC_GET_ARG1(call);
621
            vport->style.fg_color = IPC_GET_ARG1(call);
620
            vport->style.bg_color = IPC_GET_ARG2(call);
622
            vport->style.bg_color = IPC_GET_ARG2(call);
621
            retval = 0;
623
            retval = 0;
622
            break;
624
            break;
623
        case FB_GET_RESOLUTION:
625
        case FB_GET_RESOLUTION:
624
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
626
            ipc_answer_fast(callid, 0, screen.xres,screen.yres);
625
            continue;
627
            continue;
626
        default:
628
        default:
627
            retval = ENOENT;
629
            retval = ENOENT;
628
        }
630
        }
629
        ipc_answer_fast(callid,retval,0,0);
631
        ipc_answer_fast(callid,retval,0,0);
630
    }
632
    }
631
}
633
}
632
 
634
 
633
/** Initialization of framebuffer */
635
/** Initialization of framebuffer */
634
int fb_init(void)
636
int fb_init(void)
635
{
637
{
636
    void *fb_ph_addr;
638
    void *fb_ph_addr;
637
    unsigned int fb_width;
639
    unsigned int fb_width;
638
    unsigned int fb_height;
640
    unsigned int fb_height;
639
    unsigned int fb_bpp;
641
    unsigned int fb_bpp;
640
    unsigned int fb_scanline;
642
    unsigned int fb_scanline;
641
    void *fb_addr;
643
    void *fb_addr;
642
    size_t asz;
644
    size_t asz;
643
 
645
 
644
    async_set_client_connection(fb_client_connection);
646
    async_set_client_connection(fb_client_connection);
645
 
647
 
646
    fb_ph_addr=(void *)sysinfo_value("fb.address.physical");
648
    fb_ph_addr=(void *)sysinfo_value("fb.address.physical");
647
    fb_width=sysinfo_value("fb.width");
649
    fb_width=sysinfo_value("fb.width");
648
    fb_height=sysinfo_value("fb.height");
650
    fb_height=sysinfo_value("fb.height");
649
    fb_bpp=sysinfo_value("fb.bpp");
651
    fb_bpp=sysinfo_value("fb.bpp");
650
    fb_scanline=sysinfo_value("fb.scanline");
652
    fb_scanline=sysinfo_value("fb.scanline");
651
 
653
 
652
    asz = fb_scanline*fb_height;
654
    asz = fb_scanline*fb_height;
653
    fb_addr = as_get_mappable_page(asz);
655
    fb_addr = as_get_mappable_page(asz);
654
   
656
   
655
    map_physmem(fb_ph_addr, fb_addr, ALIGN_UP(asz,PAGE_SIZE) >>PAGE_WIDTH,
657
    map_physmem(fb_ph_addr, fb_addr, ALIGN_UP(asz,PAGE_SIZE) >>PAGE_WIDTH,
656
            AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE);
658
            AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE);
657
   
659
   
658
    screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline);
660
    screen_init(fb_addr, fb_width, fb_height, fb_bpp, fb_scanline);
659
 
661
 
660
    return 0;
662
    return 0;
661
}
663
}
662
 
664
 
663
 
665