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| Rev | Author | Line No. | Line |
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| 1493 | palkovsky | 1 | /* |
| 2 | * Copyright (C) 2006 Ondrej Palkovsky |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 29 | #include <align.h> |
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| 30 | #include <async.h> |
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| 31 | #include <ipc/ipc.h> |
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| 32 | #include <errno.h> |
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| 33 | #include <stdio.h> |
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| 34 | #include <ddi.h> |
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| 35 | #include <sysinfo.h> |
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| 36 | #include <as.h> |
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| 37 | #include <ipc/fb.h> |
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| 38 | #include <ipc/ipc.h> |
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| 39 | #include <ipc/ns.h> |
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| 40 | #include <ipc/services.h> |
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| 41 | |||
| 42 | #include "ega.h" |
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| 1534 | palkovsky | 43 | #include "../console/screenbuffer.h" |
| 44 | #include "main.h" |
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| 1493 | palkovsky | 45 | |
| 46 | /* Allow only 1 connection */ |
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| 47 | static int client_connected = 0; |
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| 48 | |||
| 49 | static unsigned int scr_width; |
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| 50 | static unsigned int scr_height; |
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| 51 | static char *scr_addr; |
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| 52 | |||
| 1534 | palkovsky | 53 | static unsigned int style = 0x0f; |
| 54 | |||
| 1493 | palkovsky | 55 | static void clrscr(void) |
| 56 | { |
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| 57 | int i; |
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| 58 | |||
| 1534 | palkovsky | 59 | for (i=0; i < scr_width*scr_height; i++) { |
| 1493 | palkovsky | 60 | scr_addr[i*2] = ' '; |
| 1534 | palkovsky | 61 | scr_addr[i*2+1] = style; |
| 62 | } |
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| 1493 | palkovsky | 63 | } |
| 64 | |||
| 65 | static void printchar(char c, unsigned int row, unsigned int col) |
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| 66 | { |
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| 67 | scr_addr[(row*scr_width + col)*2] = c; |
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| 1534 | palkovsky | 68 | scr_addr[(row*scr_width + col)*2+1] = style; |
| 1493 | palkovsky | 69 | } |
| 70 | |||
| 1534 | palkovsky | 71 | static void draw_text_data(keyfield_t *data) |
| 72 | { |
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| 73 | int i; |
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| 74 | |||
| 75 | for (i=0; i < scr_width*scr_height; i++) { |
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| 76 | scr_addr[i*2] = data[i].character; |
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| 77 | if (data[i].style.fg_color > data[i].style.bg_color) |
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| 78 | scr_addr[i*2+1] = 0x0f; |
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| 79 | else |
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| 80 | scr_addr[i*2+1] = 0xf0; |
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| 81 | } |
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| 82 | } |
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| 83 | |||
| 1493 | palkovsky | 84 | static void ega_client_connection(ipc_callid_t iid, ipc_call_t *icall) |
| 85 | { |
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| 86 | int retval; |
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| 87 | ipc_callid_t callid; |
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| 88 | ipc_call_t call; |
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| 89 | char c; |
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| 90 | unsigned int row, col; |
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| 1534 | palkovsky | 91 | int bgcolor,fgcolor; |
| 92 | keyfield_t *interbuf = NULL; |
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| 93 | size_t intersize = 0; |
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| 1493 | palkovsky | 94 | |
| 95 | if (client_connected) { |
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| 96 | ipc_answer_fast(iid, ELIMIT, 0,0); |
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| 97 | return; |
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| 98 | } |
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| 99 | client_connected = 1; |
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| 100 | ipc_answer_fast(iid, 0, 0, 0); /* Accept connection */ |
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| 101 | |||
| 102 | while (1) { |
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| 103 | callid = async_get_call(&call); |
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| 104 | switch (IPC_GET_METHOD(call)) { |
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| 105 | case IPC_M_PHONE_HUNGUP: |
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| 106 | client_connected = 0; |
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| 107 | ipc_answer_fast(callid,0,0,0); |
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| 108 | return; /* Exit thread */ |
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| 1534 | palkovsky | 109 | case IPC_M_AS_AREA_SEND: |
| 110 | /* We accept one area for data interchange */ |
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| 111 | intersize = IPC_GET_ARG2(call); |
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| 112 | if (intersize >= scr_width*scr_height*sizeof(*interbuf)) { |
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| 1547 | palkovsky | 113 | receive_comm_area(callid,&call,(void **)&interbuf); |
| 1534 | palkovsky | 114 | continue; |
| 115 | } |
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| 116 | retval = EINVAL; |
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| 117 | break; |
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| 118 | case FB_DRAW_TEXT_DATA: |
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| 119 | if (!interbuf) { |
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| 120 | retval = EINVAL; |
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| 121 | break; |
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| 122 | } |
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| 123 | draw_text_data(interbuf); |
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| 124 | retval = 0; |
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| 125 | break; |
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| 1493 | palkovsky | 126 | case FB_GET_CSIZE: |
| 1530 | palkovsky | 127 | ipc_answer_fast(callid, 0, scr_height, scr_width); |
| 1493 | palkovsky | 128 | continue; |
| 129 | case FB_CLEAR: |
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| 130 | clrscr(); |
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| 131 | retval = 0; |
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| 132 | break; |
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| 133 | case FB_PUTCHAR: |
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| 134 | c = IPC_GET_ARG1(call); |
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| 135 | row = IPC_GET_ARG2(call); |
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| 136 | col = IPC_GET_ARG3(call); |
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| 1534 | palkovsky | 137 | if (col >= scr_width || row >= scr_height) { |
| 1493 | palkovsky | 138 | retval = EINVAL; |
| 139 | break; |
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| 140 | } |
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| 141 | printchar(c,row,col); |
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| 142 | retval = 0; |
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| 143 | break; |
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| 1534 | palkovsky | 144 | case FB_SET_STYLE: |
| 145 | fgcolor = IPC_GET_ARG1(call); |
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| 146 | bgcolor = IPC_GET_ARG2(call); |
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| 147 | if (fgcolor > bgcolor) |
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| 148 | style = 0x0f; |
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| 149 | else |
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| 150 | style = 0xf0; |
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| 1493 | palkovsky | 151 | default: |
| 152 | retval = ENOENT; |
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| 153 | } |
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| 154 | ipc_answer_fast(callid,retval,0,0); |
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| 155 | } |
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| 156 | } |
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| 157 | |||
| 158 | int ega_init(void) |
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| 159 | { |
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| 160 | void *ega_ph_addr; |
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| 1501 | palkovsky | 161 | size_t sz; |
| 1493 | palkovsky | 162 | |
| 163 | |||
| 164 | ega_ph_addr=(void *)sysinfo_value("fb.address.physical"); |
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| 165 | scr_width=sysinfo_value("fb.width"); |
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| 166 | scr_height=sysinfo_value("fb.height"); |
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| 167 | |||
| 1501 | palkovsky | 168 | sz = scr_width*scr_height*2; |
| 169 | scr_addr = as_get_mappable_page(sz); |
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| 1493 | palkovsky | 170 | |
| 1501 | palkovsky | 171 | map_physmem(ega_ph_addr, scr_addr, ALIGN_UP(sz,PAGE_SIZE)>>PAGE_WIDTH, |
| 1493 | palkovsky | 172 | AS_AREA_READ | AS_AREA_WRITE); |
| 173 | |||
| 174 | async_set_client_connection(ega_client_connection); |
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| 175 | |||
| 176 | clrscr(); |
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| 177 | |||
| 178 | return 0; |
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| 179 | } |