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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 | /** @defgroup egafb EGA framebuffer |
29 | /** @defgroup egafb EGA framebuffer |
30 | * @brief HelenOS EGA framebuffer. |
30 | * @brief HelenOS EGA framebuffer. |
31 | * @ingroup fbs |
31 | * @ingroup fbs |
32 | * @{ |
32 | * @{ |
33 | */ |
33 | */ |
34 | /** @file |
34 | /** @file |
35 | */ |
35 | */ |
36 | 36 | ||
37 | #include <stdlib.h> |
37 | #include <stdlib.h> |
38 | #include <unistd.h> |
38 | #include <unistd.h> |
39 | #include <align.h> |
39 | #include <align.h> |
40 | #include <async.h> |
40 | #include <async.h> |
41 | #include <ipc/ipc.h> |
41 | #include <ipc/ipc.h> |
42 | #include <errno.h> |
42 | #include <errno.h> |
43 | #include <stdio.h> |
43 | #include <stdio.h> |
44 | #include <ddi.h> |
44 | #include <ddi.h> |
45 | #include <sysinfo.h> |
45 | #include <sysinfo.h> |
46 | #include <as.h> |
46 | #include <as.h> |
47 | #include <ipc/fb.h> |
47 | #include <ipc/fb.h> |
48 | #include <ipc/ipc.h> |
48 | #include <ipc/ipc.h> |
49 | #include <ipc/ns.h> |
49 | #include <ipc/ns.h> |
50 | #include <ipc/services.h> |
50 | #include <ipc/services.h> |
51 | #include <libarch/ddi.h> |
51 | #include <libarch/ddi.h> |
52 | #include <console/style.h> |
52 | #include <console/style.h> |
53 | #include <console/color.h> |
53 | #include <console/color.h> |
54 | 54 | ||
55 | #include "ega.h" |
55 | #include "ega.h" |
56 | #include "../console/screenbuffer.h" |
56 | #include "../console/screenbuffer.h" |
57 | #include "main.h" |
57 | #include "main.h" |
58 | 58 | ||
59 | #define MAX_SAVED_SCREENS 256 |
59 | #define MAX_SAVED_SCREENS 256 |
60 | typedef struct saved_screen { |
60 | typedef struct saved_screen { |
61 | short *data; |
61 | short *data; |
62 | } saved_screen; |
62 | } saved_screen; |
63 | 63 | ||
64 | saved_screen saved_screens[MAX_SAVED_SCREENS]; |
64 | saved_screen saved_screens[MAX_SAVED_SCREENS]; |
65 | 65 | ||
66 | #define EGA_IO_ADDRESS 0x3d4 |
66 | #define EGA_IO_ADDRESS 0x3d4 |
67 | #define EGA_IO_SIZE 2 |
67 | #define EGA_IO_SIZE 2 |
68 | 68 | ||
69 | int ega_normal_color = 0x0f; |
69 | int ega_normal_color = 0x0f; |
70 | int ega_inverted_color = 0xf0; |
70 | int ega_inverted_color = 0xf0; |
71 | 71 | ||
72 | #define NORMAL_COLOR ega_normal_color |
72 | #define NORMAL_COLOR ega_normal_color |
73 | #define INVERTED_COLOR ega_inverted_color |
73 | #define INVERTED_COLOR ega_inverted_color |
74 | 74 | ||
75 | /* Allow only 1 connection */ |
75 | /* Allow only 1 connection */ |
76 | static int client_connected = 0; |
76 | static int client_connected = 0; |
77 | 77 | ||
78 | static unsigned int scr_width; |
78 | static unsigned int scr_width; |
79 | static unsigned int scr_height; |
79 | static unsigned int scr_height; |
80 | static char *scr_addr; |
80 | static char *scr_addr; |
81 | 81 | ||
82 | static unsigned int style; |
82 | static unsigned int style; |
83 | 83 | ||
84 | static unsigned attr_to_ega_style(const attrs_t *a); |
84 | static unsigned attr_to_ega_style(const attrs_t *a); |
85 | 85 | ||
86 | static void clrscr(void) |
86 | static void clrscr(void) |
87 | { |
87 | { |
88 | int i; |
88 | int i; |
89 | 89 | ||
90 | for (i = 0; i < scr_width * scr_height; i++) { |
90 | for (i = 0; i < scr_width * scr_height; i++) { |
91 | scr_addr[i * 2] = ' '; |
91 | scr_addr[i * 2] = ' '; |
92 | scr_addr[i * 2 + 1] = style; |
92 | scr_addr[i * 2 + 1] = style; |
93 | } |
93 | } |
94 | } |
94 | } |
95 | 95 | ||
96 | static void cursor_goto(unsigned int row, unsigned int col) |
96 | static void cursor_goto(unsigned int row, unsigned int col) |
97 | { |
97 | { |
98 | int ega_cursor; |
98 | int ega_cursor; |
99 | 99 | ||
100 | ega_cursor = col + scr_width * row; |
100 | ega_cursor = col + scr_width * row; |
101 | 101 | ||
102 | outb(EGA_IO_ADDRESS, 0xe); |
102 | outb(EGA_IO_ADDRESS, 0xe); |
103 | outb(EGA_IO_ADDRESS + 1, (ega_cursor >> 8) & 0xff); |
103 | outb(EGA_IO_ADDRESS + 1, (ega_cursor >> 8) & 0xff); |
104 | outb(EGA_IO_ADDRESS, 0xf); |
104 | outb(EGA_IO_ADDRESS, 0xf); |
105 | outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff); |
105 | outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff); |
106 | } |
106 | } |
107 | 107 | ||
108 | static void cursor_disable(void) |
108 | static void cursor_disable(void) |
109 | { |
109 | { |
110 | uint8_t stat; |
110 | uint8_t stat; |
111 | 111 | ||
112 | outb(EGA_IO_ADDRESS, 0xa); |
112 | outb(EGA_IO_ADDRESS, 0xa); |
113 | stat=inb(EGA_IO_ADDRESS + 1); |
113 | stat=inb(EGA_IO_ADDRESS + 1); |
114 | outb(EGA_IO_ADDRESS, 0xa); |
114 | outb(EGA_IO_ADDRESS, 0xa); |
115 | outb(EGA_IO_ADDRESS + 1, stat | (1 << 5)); |
115 | outb(EGA_IO_ADDRESS + 1, stat | (1 << 5)); |
116 | } |
116 | } |
117 | 117 | ||
118 | static void cursor_enable(void) |
118 | static void cursor_enable(void) |
119 | { |
119 | { |
120 | uint8_t stat; |
120 | uint8_t stat; |
121 | 121 | ||
122 | outb(EGA_IO_ADDRESS, 0xa); |
122 | outb(EGA_IO_ADDRESS, 0xa); |
123 | stat=inb(EGA_IO_ADDRESS + 1); |
123 | stat=inb(EGA_IO_ADDRESS + 1); |
124 | outb(EGA_IO_ADDRESS, 0xa); |
124 | outb(EGA_IO_ADDRESS, 0xa); |
125 | outb(EGA_IO_ADDRESS + 1, stat & (~(1 << 5))); |
125 | outb(EGA_IO_ADDRESS + 1, stat & (~(1 << 5))); |
126 | } |
126 | } |
127 | 127 | ||
128 | static void scroll(int rows) |
128 | static void scroll(int rows) |
129 | { |
129 | { |
130 | int i; |
130 | int i; |
131 | if (rows > 0) { |
131 | if (rows > 0) { |
132 | memmove(scr_addr, ((char *) scr_addr) + rows * scr_width * 2, |
132 | memmove(scr_addr, ((char *) scr_addr) + rows * scr_width * 2, |
133 | scr_width * scr_height * 2 - rows * scr_width * 2); |
133 | scr_width * scr_height * 2 - rows * scr_width * 2); |
134 | for (i = 0; i < rows * scr_width; i++) |
134 | for (i = 0; i < rows * scr_width; i++) |
135 | (((short *) scr_addr) + scr_width * scr_height - rows * |
135 | (((short *) scr_addr) + scr_width * scr_height - rows * |
136 | scr_width)[i] = ((style << 8) + ' '); |
136 | scr_width)[i] = ((style << 8) + ' '); |
137 | } else if (rows < 0) { |
137 | } else if (rows < 0) { |
138 | memmove(((char *)scr_addr) - rows * scr_width * 2, scr_addr, |
138 | memmove(((char *)scr_addr) - rows * scr_width * 2, scr_addr, |
139 | scr_width * scr_height * 2 + rows * scr_width * 2); |
139 | scr_width * scr_height * 2 + rows * scr_width * 2); |
140 | for (i = 0; i < -rows * scr_width; i++) |
140 | for (i = 0; i < -rows * scr_width; i++) |
141 | ((short *)scr_addr)[i] = ((style << 8 ) + ' '); |
141 | ((short *)scr_addr)[i] = ((style << 8 ) + ' '); |
142 | } |
142 | } |
143 | } |
143 | } |
144 | 144 | ||
145 | static void printchar(char c, unsigned int row, unsigned int col) |
145 | static void printchar(char c, unsigned int row, unsigned int col) |
146 | { |
146 | { |
147 | scr_addr[(row * scr_width + col) * 2] = c; |
147 | scr_addr[(row * scr_width + col) * 2] = c; |
148 | scr_addr[(row * scr_width + col) * 2 + 1] = style; |
148 | scr_addr[(row * scr_width + col) * 2 + 1] = style; |
149 | 149 | ||
150 | cursor_goto(row, col + 1); |
150 | cursor_goto(row, col + 1); |
151 | } |
151 | } |
152 | 152 | ||
153 | static void draw_text_data(keyfield_t *data) |
153 | static void draw_text_data(keyfield_t *data) |
154 | { |
154 | { |
155 | int i; |
155 | int i; |
156 | 156 | ||
157 | for (i = 0; i < scr_width * scr_height; i++) { |
157 | for (i = 0; i < scr_width * scr_height; i++) { |
158 | scr_addr[i * 2] = data[i].character; |
158 | scr_addr[i * 2] = data[i].character; |
159 | scr_addr[i * 2 + 1] = attr_to_ega_style(&data[i].attrs); |
159 | scr_addr[i * 2 + 1] = attr_to_ega_style(&data[i].attrs); |
160 | } |
160 | } |
161 | } |
161 | } |
162 | 162 | ||
163 | static int save_screen(void) |
163 | static int save_screen(void) |
164 | { |
164 | { |
165 | int i; |
165 | int i; |
166 | 166 | ||
167 | for (i = 0; (i < MAX_SAVED_SCREENS) && (saved_screens[i].data); i++) |
167 | for (i = 0; (i < MAX_SAVED_SCREENS) && (saved_screens[i].data); i++) |
168 | ; |
168 | ; |
169 | if (i == MAX_SAVED_SCREENS) |
169 | if (i == MAX_SAVED_SCREENS) |
170 | return EINVAL; |
170 | return EINVAL; |
171 | if (!(saved_screens[i].data = malloc(2 * scr_width * scr_height))) |
171 | if (!(saved_screens[i].data = malloc(2 * scr_width * scr_height))) |
172 | return ENOMEM; |
172 | return ENOMEM; |
173 | memcpy(saved_screens[i].data, scr_addr, 2 * scr_width * scr_height); |
173 | memcpy(saved_screens[i].data, scr_addr, 2 * scr_width * scr_height); |
174 | 174 | ||
175 | return i; |
175 | return i; |
176 | } |
176 | } |
177 | 177 | ||
178 | static int print_screen(int i) |
178 | static int print_screen(int i) |
179 | { |
179 | { |
180 | if (saved_screens[i].data) |
180 | if (saved_screens[i].data) |
181 | memcpy(scr_addr, saved_screens[i].data, 2 * scr_width * |
181 | memcpy(scr_addr, saved_screens[i].data, 2 * scr_width * |
182 | scr_height); |
182 | scr_height); |
183 | else |
183 | else |
184 | return EINVAL; |
184 | return EINVAL; |
185 | return i; |
185 | return i; |
186 | } |
186 | } |
187 | 187 | ||
188 | static int style_to_ega_style(int style) |
188 | static int style_to_ega_style(int style) |
189 | { |
189 | { |
190 | unsigned int ega_style; |
190 | unsigned int ega_style; |
191 | 191 | ||
192 | switch (style) { |
192 | switch (style) { |
193 | case STYLE_NORMAL: |
193 | case STYLE_NORMAL: |
194 | ega_style = INVERTED_COLOR; |
194 | ega_style = INVERTED_COLOR; |
195 | break; |
195 | break; |
196 | case STYLE_EMPHASIS: |
196 | case STYLE_EMPHASIS: |
197 | ega_style = INVERTED_COLOR | 4; |
197 | ega_style = INVERTED_COLOR | 4; |
198 | break; |
198 | break; |
199 | default: |
199 | default: |
200 | return INVERTED_COLOR; |
200 | return INVERTED_COLOR; |
201 | } |
201 | } |
202 | 202 | ||
203 | return ega_style; |
203 | return ega_style; |
204 | } |
204 | } |
205 | 205 | ||
206 | static unsigned int color_to_ega_style(int fg_color, int bg_color, int attr) |
206 | static unsigned int color_to_ega_style(int fg_color, int bg_color, int attr) |
207 | { |
207 | { |
208 | unsigned int style; |
208 | unsigned int style; |
209 | 209 | ||
210 | style = (fg_color & 7) | ((bg_color & 7) << 4); |
210 | style = (fg_color & 7) | ((bg_color & 7) << 4); |
211 | if (attr & CATTR_BRIGHT) |
211 | if (attr & CATTR_BRIGHT) |
212 | style = style | 0x08; |
212 | style = style | 0x08; |
213 | 213 | ||
214 | return style; |
214 | return style; |
215 | } |
215 | } |
216 | 216 | ||
217 | static unsigned int rgb_to_ega_style(uint32_t fg, uint32_t bg) |
217 | static unsigned int rgb_to_ega_style(uint32_t fg, uint32_t bg) |
218 | { |
218 | { |
219 | return (fg > bg) ? NORMAL_COLOR : INVERTED_COLOR; |
219 | return (fg > bg) ? NORMAL_COLOR : INVERTED_COLOR; |
220 | } |
220 | } |
221 | 221 | ||
222 | static unsigned attr_to_ega_style(const attrs_t *a) |
222 | static unsigned attr_to_ega_style(const attrs_t *a) |
223 | { |
223 | { |
224 | switch (a->t) { |
224 | switch (a->t) { |
225 | case at_style: return style_to_ega_style(a->a.s.style); |
225 | case at_style: return style_to_ega_style(a->a.s.style); |
226 | case at_rgb: return rgb_to_ega_style(a->a.r.fg_color, a->a.r.bg_color); |
226 | case at_rgb: return rgb_to_ega_style(a->a.r.fg_color, a->a.r.bg_color); |
227 | case at_idx: return color_to_ega_style(a->a.i.fg_color, |
227 | case at_idx: return color_to_ega_style(a->a.i.fg_color, |
228 | a->a.i.bg_color, a->a.i.flags); |
228 | a->a.i.bg_color, a->a.i.flags); |
229 | default: return INVERTED_COLOR; |
229 | default: return INVERTED_COLOR; |
230 | } |
230 | } |
231 | } |
231 | } |
232 | 232 | ||
233 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
233 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
234 | { |
234 | { |
235 | int retval; |
235 | int retval; |
236 | ipc_callid_t callid; |
236 | ipc_callid_t callid; |
237 | ipc_call_t call; |
237 | ipc_call_t call; |
238 | char c; |
238 | char c; |
239 | unsigned int row, col; |
239 | unsigned int row, col; |
240 | int bg_color, fg_color, attr; |
240 | int bg_color, fg_color, attr; |
241 | uint32_t bg_rgb, fg_rgb; |
241 | uint32_t bg_rgb, fg_rgb; |
242 | keyfield_t *interbuf = NULL; |
242 | keyfield_t *interbuf = NULL; |
243 | size_t intersize = 0; |
243 | size_t intersize = 0; |
244 | int i; |
244 | int i; |
245 | 245 | ||
246 | if (client_connected) { |
246 | if (client_connected) { |
247 | ipc_answer_0(iid, ELIMIT); |
247 | ipc_answer_0(iid, ELIMIT); |
248 | return; |
248 | return; |
249 | } |
249 | } |
250 | client_connected = 1; |
250 | client_connected = 1; |
251 | ipc_answer_0(iid, EOK); /* Accept connection */ |
251 | ipc_answer_0(iid, EOK); /* Accept connection */ |
252 | 252 | ||
253 | while (1) { |
253 | while (1) { |
254 | callid = async_get_call(&call); |
254 | callid = async_get_call(&call); |
255 | switch (IPC_GET_METHOD(call)) { |
255 | switch (IPC_GET_METHOD(call)) { |
256 | case IPC_M_PHONE_HUNGUP: |
256 | case IPC_M_PHONE_HUNGUP: |
257 | client_connected = 0; |
257 | client_connected = 0; |
258 | ipc_answer_0(callid, EOK); |
258 | ipc_answer_0(callid, EOK); |
259 | return; /* Exit thread */ |
259 | return; /* Exit thread */ |
260 | case IPC_M_SHARE_OUT: |
260 | case IPC_M_SHARE_OUT: |
261 | /* We accept one area for data interchange */ |
261 | /* We accept one area for data interchange */ |
262 | intersize = IPC_GET_ARG2(call); |
262 | intersize = IPC_GET_ARG2(call); |
263 | if (intersize >= scr_width * scr_height * |
263 | if (intersize >= scr_width * scr_height * |
264 | sizeof(*interbuf)) { |
264 | sizeof(*interbuf)) { |
265 | receive_comm_area(callid, &call, |
265 | receive_comm_area(callid, &call, |
266 | (void *) &interbuf); |
266 | (void *) &interbuf); |
267 | continue; |
267 | continue; |
268 | } |
268 | } |
269 | retval = EINVAL; |
269 | retval = EINVAL; |
270 | break; |
270 | break; |
271 | case FB_DRAW_TEXT_DATA: |
271 | case FB_DRAW_TEXT_DATA: |
272 | if (!interbuf) { |
272 | if (!interbuf) { |
273 | retval = EINVAL; |
273 | retval = EINVAL; |
274 | break; |
274 | break; |
275 | } |
275 | } |
276 | draw_text_data(interbuf); |
276 | draw_text_data(interbuf); |
277 | retval = 0; |
277 | retval = 0; |
278 | break; |
278 | break; |
279 | case FB_GET_CSIZE: |
279 | case FB_GET_CSIZE: |
280 | ipc_answer_2(callid, EOK, scr_height, scr_width); |
280 | ipc_answer_2(callid, EOK, scr_height, scr_width); |
281 | continue; |
281 | continue; |
282 | case FB_CLEAR: |
282 | case FB_CLEAR: |
283 | clrscr(); |
283 | clrscr(); |
284 | retval = 0; |
284 | retval = 0; |
285 | break; |
285 | break; |
286 | case FB_PUTCHAR: |
286 | case FB_PUTCHAR: |
287 | c = IPC_GET_ARG1(call); |
287 | c = IPC_GET_ARG1(call); |
288 | row = IPC_GET_ARG2(call); |
288 | row = IPC_GET_ARG2(call); |
289 | col = IPC_GET_ARG3(call); |
289 | col = IPC_GET_ARG3(call); |
290 | if (col >= scr_width || row >= scr_height) { |
290 | if (col >= scr_width || row >= scr_height) { |
291 | retval = EINVAL; |
291 | retval = EINVAL; |
292 | break; |
292 | break; |
293 | } |
293 | } |
294 | printchar(c, row, col); |
294 | printchar(c, row, col); |
295 | retval = 0; |
295 | retval = 0; |
296 | break; |
296 | break; |
297 | case FB_CURSOR_GOTO: |
297 | case FB_CURSOR_GOTO: |
298 | row = IPC_GET_ARG1(call); |
298 | row = IPC_GET_ARG1(call); |
299 | col = IPC_GET_ARG2(call); |
299 | col = IPC_GET_ARG2(call); |
300 | if (row >= scr_height || col >= scr_width) { |
300 | if (row >= scr_height || col >= scr_width) { |
301 | retval = EINVAL; |
301 | retval = EINVAL; |
302 | break; |
302 | break; |
303 | } |
303 | } |
304 | cursor_goto(row, col); |
304 | cursor_goto(row, col); |
305 | retval = 0; |
305 | retval = 0; |
306 | break; |
306 | break; |
307 | case FB_SCROLL: |
307 | case FB_SCROLL: |
308 | i = IPC_GET_ARG1(call); |
308 | i = IPC_GET_ARG1(call); |
309 | if (i > scr_height || i < -((int) scr_height)) { |
309 | if (i > scr_height || i < -((int) scr_height)) { |
310 | retval = EINVAL; |
310 | retval = EINVAL; |
311 | break; |
311 | break; |
312 | } |
312 | } |
313 | scroll(i); |
313 | scroll(i); |
314 | retval = 0; |
314 | retval = 0; |
315 | break; |
315 | break; |
316 | case FB_CURSOR_VISIBILITY: |
316 | case FB_CURSOR_VISIBILITY: |
317 | if(IPC_GET_ARG1(call)) |
317 | if (IPC_GET_ARG1(call)) |
318 | cursor_enable(); |
318 | cursor_enable(); |
319 | else |
319 | else |
320 | cursor_disable(); |
320 | cursor_disable(); |
321 | retval = 0; |
321 | retval = 0; |
322 | break; |
322 | break; |
323 | case FB_SET_STYLE: |
323 | case FB_SET_STYLE: |
324 | style = style_to_ega_style(IPC_GET_ARG1(call)); |
324 | style = style_to_ega_style(IPC_GET_ARG1(call)); |
325 | retval = 0; |
325 | retval = 0; |
326 | break; |
326 | break; |
327 | case FB_SET_COLOR: |
327 | case FB_SET_COLOR: |
328 | fg_color = IPC_GET_ARG1(call); |
328 | fg_color = IPC_GET_ARG1(call); |
329 | bg_color = IPC_GET_ARG2(call); |
329 | bg_color = IPC_GET_ARG2(call); |
330 | attr = IPC_GET_ARG3(call); |
330 | attr = IPC_GET_ARG3(call); |
331 | style = color_to_ega_style(fg_color, bg_color, attr); |
331 | style = color_to_ega_style(fg_color, bg_color, attr); |
332 | retval = 0; |
332 | retval = 0; |
333 | break; |
333 | break; |
334 | case FB_SET_RGB_COLOR: |
334 | case FB_SET_RGB_COLOR: |
335 | fg_rgb = IPC_GET_ARG1(call); |
335 | fg_rgb = IPC_GET_ARG1(call); |
336 | bg_rgb = IPC_GET_ARG2(call); |
336 | bg_rgb = IPC_GET_ARG2(call); |
337 | style = rgb_to_ega_style(fg_rgb, bg_rgb); |
337 | style = rgb_to_ega_style(fg_rgb, bg_rgb); |
338 | retval = 0; |
338 | retval = 0; |
339 | break; |
339 | break; |
340 | case FB_VP_DRAW_PIXMAP: |
340 | case FB_VP_DRAW_PIXMAP: |
341 | i = IPC_GET_ARG2(call); |
341 | i = IPC_GET_ARG2(call); |
342 | retval = print_screen(i); |
342 | retval = print_screen(i); |
343 | break; |
343 | break; |
344 | case FB_VP2PIXMAP: |
344 | case FB_VP2PIXMAP: |
345 | retval = save_screen(); |
345 | retval = save_screen(); |
346 | break; |
346 | break; |
347 | case FB_DROP_PIXMAP: |
347 | case FB_DROP_PIXMAP: |
348 | i = IPC_GET_ARG1(call); |
348 | i = IPC_GET_ARG1(call); |
349 | if (i >= MAX_SAVED_SCREENS) { |
349 | if (i >= MAX_SAVED_SCREENS) { |
350 | retval = EINVAL; |
350 | retval = EINVAL; |
351 | break; |
351 | break; |
352 | } |
352 | } |
353 | if (saved_screens[i].data) { |
353 | if (saved_screens[i].data) { |
354 | free(saved_screens[i].data); |
354 | free(saved_screens[i].data); |
355 | saved_screens[i].data = NULL; |
355 | saved_screens[i].data = NULL; |
356 | } |
356 | } |
357 | retval = 0; |
357 | retval = 0; |
358 | break; |
358 | break; |
359 | 359 | ||
360 | default: |
360 | default: |
361 | retval = ENOENT; |
361 | retval = ENOENT; |
362 | } |
362 | } |
363 | ipc_answer_0(callid, retval); |
363 | ipc_answer_0(callid, retval); |
364 | } |
364 | } |
365 | } |
365 | } |
366 | 366 | ||
367 | int ega_init(void) |
367 | int ega_init(void) |
368 | { |
368 | { |
369 | void *ega_ph_addr; |
369 | void *ega_ph_addr; |
370 | size_t sz; |
370 | size_t sz; |
371 | 371 | ||
372 | ega_ph_addr = (void *) sysinfo_value("fb.address.physical"); |
372 | ega_ph_addr = (void *) sysinfo_value("fb.address.physical"); |
373 | scr_width = sysinfo_value("fb.width"); |
373 | scr_width = sysinfo_value("fb.width"); |
374 | scr_height = sysinfo_value("fb.height"); |
374 | scr_height = sysinfo_value("fb.height"); |
375 | 375 | ||
376 | if (sysinfo_value("fb.blinking")) { |
376 | if (sysinfo_value("fb.blinking")) { |
377 | ega_normal_color &= 0x77; |
377 | ega_normal_color &= 0x77; |
378 | ega_inverted_color &= 0x77; |
378 | ega_inverted_color &= 0x77; |
379 | } |
379 | } |
380 | 380 | ||
381 | style = NORMAL_COLOR; |
381 | style = NORMAL_COLOR; |
382 | 382 | ||
383 | iospace_enable(task_get_id(), (void *) EGA_IO_ADDRESS, 2); |
383 | iospace_enable(task_get_id(), (void *) EGA_IO_ADDRESS, 2); |
384 | 384 | ||
385 | sz = scr_width * scr_height * 2; |
385 | sz = scr_width * scr_height * 2; |
386 | scr_addr = as_get_mappable_page(sz); |
386 | scr_addr = as_get_mappable_page(sz); |
387 | 387 | ||
388 | if (physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >> |
388 | if (physmem_map(ega_ph_addr, scr_addr, ALIGN_UP(sz, PAGE_SIZE) >> |
389 | PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE) != 0) |
389 | PAGE_WIDTH, AS_AREA_READ | AS_AREA_WRITE) != 0) |
390 | return -1; |
390 | return -1; |
391 | 391 | ||
392 | async_set_client_connection(ega_client_connection); |
392 | async_set_client_connection(ega_client_connection); |
393 | 393 | ||
394 | return 0; |
394 | return 0; |
395 | } |
395 | } |
396 | 396 | ||
397 | 397 | ||
398 | /** |
398 | /** |
399 | * @} |
399 | * @} |
400 | */ |
400 | */ |
401 | 401 |