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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 | #include <align.h> |
29 | #include <align.h> |
30 | #include <async.h> |
30 | #include <async.h> |
31 | #include <ipc/ipc.h> |
31 | #include <ipc/ipc.h> |
32 | #include <errno.h> |
32 | #include <errno.h> |
33 | #include <stdio.h> |
33 | #include <stdio.h> |
34 | #include <ddi.h> |
34 | #include <ddi.h> |
35 | #include <sysinfo.h> |
35 | #include <sysinfo.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 | 41 | ||
42 | #include "ega.h" |
42 | #include "ega.h" |
43 | #include "../console/screenbuffer.h" |
43 | #include "../console/screenbuffer.h" |
44 | #include "main.h" |
44 | #include "main.h" |
45 | 45 | ||
- | 46 | ||
- | 47 | #define EGA_IO_ADDRESS 0x3d4 |
|
- | 48 | #define EGA_IO_SIZE 2 |
|
- | 49 | ||
- | 50 | typedef unsigned char u8; |
|
- | 51 | typedef unsigned short u16; |
|
- | 52 | typedef unsigned int u32; |
|
- | 53 | ||
- | 54 | ||
46 | /* Allow only 1 connection */ |
55 | /* Allow only 1 connection */ |
47 | static int client_connected = 0; |
56 | static int client_connected = 0; |
48 | 57 | ||
49 | static unsigned int scr_width; |
58 | static unsigned int scr_width; |
50 | static unsigned int scr_height; |
59 | static unsigned int scr_height; |
51 | static char *scr_addr; |
60 | static char *scr_addr; |
52 | 61 | ||
53 | static unsigned int style = 0x0f; |
62 | static unsigned int style = 0x0f; |
54 | 63 | ||
- | 64 | static inline void outb(u16 port, u8 b) |
|
- | 65 | { |
|
- | 66 | asm volatile ("outb %0, %1\n" :: "a" (b), "d" (port)); |
|
- | 67 | } |
|
- | 68 | ||
- | 69 | static inline void outw(u16 port, u16 w) |
|
- | 70 | { |
|
- | 71 | asm volatile ("outw %0, %1\n" :: "a" (w), "d" (port)); |
|
- | 72 | } |
|
- | 73 | ||
- | 74 | static inline void outl(u16 port, u32 l) |
|
- | 75 | { |
|
- | 76 | asm volatile ("outl %0, %1\n" :: "a" (l), "d" (port)); |
|
- | 77 | } |
|
- | 78 | ||
- | 79 | static inline u8 inb(u16 port) |
|
- | 80 | { |
|
- | 81 | u8 val; |
|
- | 82 | ||
- | 83 | asm volatile ("inb %1, %0 \n" : "=a" (val) : "d"(port)); |
|
- | 84 | return val; |
|
- | 85 | } |
|
- | 86 | ||
- | 87 | static inline u16 inw(u16 port) |
|
- | 88 | { |
|
- | 89 | u16 val; |
|
- | 90 | ||
- | 91 | asm volatile ("inw %1, %0 \n" : "=a" (val) : "d"(port)); |
|
- | 92 | return val; |
|
- | 93 | } |
|
- | 94 | ||
- | 95 | static inline u32 inl(u16 port) |
|
- | 96 | { |
|
- | 97 | u32 val; |
|
- | 98 | ||
- | 99 | asm volatile ("inl %1, %0 \n" : "=a" (val) : "d"(port)); |
|
- | 100 | return val; |
|
- | 101 | } |
|
- | 102 | ||
- | 103 | ||
- | 104 | ||
- | 105 | ||
55 | static void clrscr(void) |
106 | static void clrscr(void) |
56 | { |
107 | { |
57 | int i; |
108 | int i; |
58 | 109 | ||
59 | for (i=0; i < scr_width*scr_height; i++) { |
110 | for (i=0; i < scr_width*scr_height; i++) { |
60 | scr_addr[i*2] = ' '; |
111 | scr_addr[i*2] = ' '; |
61 | scr_addr[i*2+1] = style; |
112 | scr_addr[i*2+1] = style; |
62 | } |
113 | } |
63 | } |
114 | } |
64 | 115 | ||
- | 116 | void cursor_goto(unsigned int row, unsigned int col) |
|
- | 117 | { |
|
- | 118 | int ega_cursor; |
|
- | 119 | ||
- | 120 | ega_cursor=col+scr_width*row; |
|
- | 121 | ||
- | 122 | outb(EGA_IO_ADDRESS , 0xe); |
|
- | 123 | outb(EGA_IO_ADDRESS + 1, (ega_cursor >>8) & 0xff); |
|
- | 124 | outb(EGA_IO_ADDRESS , 0xf); |
|
- | 125 | outb(EGA_IO_ADDRESS + 1, ega_cursor & 0xff); |
|
- | 126 | } |
|
- | 127 | ||
- | 128 | void cursor_disable(void) |
|
- | 129 | { |
|
- | 130 | u8 stat; |
|
- | 131 | outb(EGA_IO_ADDRESS , 0xa); |
|
- | 132 | stat=inb(EGA_IO_ADDRESS + 1); |
|
- | 133 | outb(EGA_IO_ADDRESS , 0xa); |
|
- | 134 | outb(EGA_IO_ADDRESS +1 ,stat | (1<<5) ); |
|
- | 135 | } |
|
- | 136 | ||
- | 137 | void cursor_enable(void) |
|
- | 138 | { |
|
- | 139 | u8 stat; |
|
- | 140 | outb(EGA_IO_ADDRESS , 0xa); |
|
- | 141 | stat=inb(EGA_IO_ADDRESS + 1); |
|
- | 142 | outb(EGA_IO_ADDRESS , 0xa); |
|
- | 143 | outb(EGA_IO_ADDRESS +1 ,stat & (~(1<<5)) ); |
|
- | 144 | } |
|
- | 145 | ||
65 | static void printchar(char c, unsigned int row, unsigned int col) |
146 | static void printchar(char c, unsigned int row, unsigned int col) |
66 | { |
147 | { |
67 | scr_addr[(row*scr_width + col)*2] = c; |
148 | scr_addr[(row*scr_width + col)*2] = c; |
68 | scr_addr[(row*scr_width + col)*2+1] = style; |
149 | scr_addr[(row*scr_width + col)*2+1] = style; |
- | 150 | ||
- | 151 | cursor_goto(row,col+1); |
|
69 | } |
152 | } |
70 | 153 | ||
71 | static void draw_text_data(keyfield_t *data) |
154 | static void draw_text_data(keyfield_t *data) |
72 | { |
155 | { |
73 | int i; |
156 | int i; |
74 | 157 | ||
75 | for (i=0; i < scr_width*scr_height; i++) { |
158 | for (i=0; i < scr_width*scr_height; i++) { |
76 | scr_addr[i*2] = data[i].character; |
159 | scr_addr[i*2] = data[i].character; |
77 | if (data[i].style.fg_color > data[i].style.bg_color) |
160 | if (data[i].style.fg_color > data[i].style.bg_color) |
78 | scr_addr[i*2+1] = 0x0f; |
161 | scr_addr[i*2+1] = 0x0f; |
79 | else |
162 | else |
80 | scr_addr[i*2+1] = 0xf0; |
163 | scr_addr[i*2+1] = 0xf0; |
81 | } |
164 | } |
82 | } |
165 | } |
83 | 166 | ||
84 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
167 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
85 | { |
168 | { |
86 | int retval; |
169 | int retval; |
87 | ipc_callid_t callid; |
170 | ipc_callid_t callid; |
88 | ipc_call_t call; |
171 | ipc_call_t call; |
89 | char c; |
172 | char c; |
90 | unsigned int row, col; |
173 | unsigned int row, col; |
91 | int bgcolor,fgcolor; |
174 | int bgcolor,fgcolor; |
92 | keyfield_t *interbuf = NULL; |
175 | keyfield_t *interbuf = NULL; |
93 | size_t intersize = 0; |
176 | size_t intersize = 0; |
94 | 177 | ||
95 | if (client_connected) { |
178 | if (client_connected) { |
96 | ipc_answer_fast(iid, ELIMIT, 0,0); |
179 | ipc_answer_fast(iid, ELIMIT, 0,0); |
97 | return; |
180 | return; |
98 | } |
181 | } |
99 | client_connected = 1; |
182 | client_connected = 1; |
100 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
183 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
101 | 184 | ||
102 | while (1) { |
185 | while (1) { |
103 | callid = async_get_call(&call); |
186 | callid = async_get_call(&call); |
104 | switch (IPC_GET_METHOD(call)) { |
187 | switch (IPC_GET_METHOD(call)) { |
105 | case IPC_M_PHONE_HUNGUP: |
188 | case IPC_M_PHONE_HUNGUP: |
106 | client_connected = 0; |
189 | client_connected = 0; |
107 | ipc_answer_fast(callid,0,0,0); |
190 | ipc_answer_fast(callid,0,0,0); |
108 | return; /* Exit thread */ |
191 | return; /* Exit thread */ |
109 | case IPC_M_AS_AREA_SEND: |
192 | case IPC_M_AS_AREA_SEND: |
110 | /* We accept one area for data interchange */ |
193 | /* We accept one area for data interchange */ |
111 | intersize = IPC_GET_ARG2(call); |
194 | intersize = IPC_GET_ARG2(call); |
112 | if (intersize >= scr_width*scr_height*sizeof(*interbuf)) { |
195 | if (intersize >= scr_width*scr_height*sizeof(*interbuf)) { |
113 | receive_comm_area(callid,&call,(void **)&interbuf); |
196 | receive_comm_area(callid,&call,(void **)&interbuf); |
114 | continue; |
197 | continue; |
115 | } |
198 | } |
116 | retval = EINVAL; |
199 | retval = EINVAL; |
117 | break; |
200 | break; |
118 | case FB_DRAW_TEXT_DATA: |
201 | case FB_DRAW_TEXT_DATA: |
119 | if (!interbuf) { |
202 | if (!interbuf) { |
120 | retval = EINVAL; |
203 | retval = EINVAL; |
121 | break; |
204 | break; |
122 | } |
205 | } |
123 | draw_text_data(interbuf); |
206 | draw_text_data(interbuf); |
124 | retval = 0; |
207 | retval = 0; |
125 | break; |
208 | break; |
126 | case FB_GET_CSIZE: |
209 | case FB_GET_CSIZE: |
127 | ipc_answer_fast(callid, 0, scr_height, scr_width); |
210 | ipc_answer_fast(callid, 0, scr_height, scr_width); |
128 | continue; |
211 | continue; |
129 | case FB_CLEAR: |
212 | case FB_CLEAR: |
130 | clrscr(); |
213 | clrscr(); |
131 | retval = 0; |
214 | retval = 0; |
132 | break; |
215 | break; |
133 | case FB_PUTCHAR: |
216 | case FB_PUTCHAR: |
134 | c = IPC_GET_ARG1(call); |
217 | c = IPC_GET_ARG1(call); |
135 | row = IPC_GET_ARG2(call); |
218 | row = IPC_GET_ARG2(call); |
136 | col = IPC_GET_ARG3(call); |
219 | col = IPC_GET_ARG3(call); |
137 | if (col >= scr_width || row >= scr_height) { |
220 | if (col >= scr_width || row >= scr_height) { |
138 | retval = EINVAL; |
221 | retval = EINVAL; |
139 | break; |
222 | break; |
140 | } |
223 | } |
141 | printchar(c,row,col); |
224 | printchar(c,row,col); |
142 | retval = 0; |
225 | retval = 0; |
143 | break; |
226 | break; |
- | 227 | case FB_CURSOR_GOTO: |
|
- | 228 | row = IPC_GET_ARG1(call); |
|
- | 229 | col = IPC_GET_ARG2(call); |
|
- | 230 | if (row >= scr_height || col >= scr_width) { |
|
- | 231 | retval = EINVAL; |
|
- | 232 | break; |
|
- | 233 | } |
|
- | 234 | cursor_goto(row,col); |
|
- | 235 | retval = 0; |
|
- | 236 | break; |
|
- | 237 | case FB_CURSOR_VISIBILITY: |
|
- | 238 | if(IPC_GET_ARG1(call)) |
|
- | 239 | cursor_enable(); |
|
- | 240 | else |
|
- | 241 | cursor_disable(); |
|
- | 242 | retval = 0; |
|
- | 243 | break; |
|
144 | case FB_SET_STYLE: |
244 | case FB_SET_STYLE: |
145 | fgcolor = IPC_GET_ARG1(call); |
245 | fgcolor = IPC_GET_ARG1(call); |
146 | bgcolor = IPC_GET_ARG2(call); |
246 | bgcolor = IPC_GET_ARG2(call); |
147 | if (fgcolor > bgcolor) |
247 | if (fgcolor > bgcolor) |
148 | style = 0x0f; |
248 | style = 0x0f; |
149 | else |
249 | else |
150 | style = 0xf0; |
250 | style = 0xf0; |
151 | default: |
251 | default: |
152 | retval = ENOENT; |
252 | retval = ENOENT; |
153 | } |
253 | } |
154 | ipc_answer_fast(callid,retval,0,0); |
254 | ipc_answer_fast(callid,retval,0,0); |
155 | } |
255 | } |
156 | } |
256 | } |
157 | 257 | ||
158 | int ega_init(void) |
258 | int ega_init(void) |
159 | { |
259 | { |
160 | void *ega_ph_addr; |
260 | void *ega_ph_addr; |
161 | size_t sz; |
261 | size_t sz; |
162 | 262 | ||
163 | 263 | ||
164 | ega_ph_addr=(void *)sysinfo_value("fb.address.physical"); |
264 | ega_ph_addr=(void *)sysinfo_value("fb.address.physical"); |
165 | scr_width=sysinfo_value("fb.width"); |
265 | scr_width=sysinfo_value("fb.width"); |
166 | scr_height=sysinfo_value("fb.height"); |
266 | scr_height=sysinfo_value("fb.height"); |
- | 267 | iospace_enable(task_get_id(),(void *)EGA_IO_ADDRESS,2); |
|
167 | 268 | ||
168 | sz = scr_width*scr_height*2; |
269 | sz = scr_width*scr_height*2; |
169 | scr_addr = as_get_mappable_page(sz); |
270 | scr_addr = as_get_mappable_page(sz); |
170 | 271 | ||
171 | map_physmem(ega_ph_addr, scr_addr, ALIGN_UP(sz,PAGE_SIZE)>>PAGE_WIDTH, |
272 | map_physmem(ega_ph_addr, scr_addr, ALIGN_UP(sz,PAGE_SIZE)>>PAGE_WIDTH, |
172 | AS_AREA_READ | AS_AREA_WRITE); |
273 | AS_AREA_READ | AS_AREA_WRITE); |
173 | 274 | ||
174 | async_set_client_connection(ega_client_connection); |
275 | async_set_client_connection(ega_client_connection); |
175 | 276 | ||
176 | clrscr(); |
277 | clrscr(); |
177 | 278 | ||
178 | return 0; |
279 | return 0; |
179 | } |
280 | } |
- | 281 | ||
180 | 282 |