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1
/*
1
/*
2
 * Copyright (c) 2006 Ondrej Palkovsky
2
 * Copyright (c) 2006 Ondrej Palkovsky
3
 * Copyright (c) 2008 Martin Decky
3
 * Copyright (c) 2008 Martin Decky
4
 * Copyright (c) 2008 Pavel Rimsky
4
 * Copyright (c) 2008 Pavel Rimsky
5
 * All rights reserved.
5
 * All rights reserved.
6
 *
6
 *
7
 * Redistribution and use in source and binary forms, with or without
7
 * Redistribution and use in source and binary forms, with or without
8
 * modification, are permitted provided that the following conditions
8
 * modification, are permitted provided that the following conditions
9
 * are met:
9
 * are met:
10
 *
10
 *
11
 * - Redistributions of source code must retain the above copyright
11
 * - Redistributions of source code must retain the above copyright
12
 *   notice, this list of conditions and the following disclaimer.
12
 *   notice, this list of conditions and the following disclaimer.
13
 * - Redistributions in binary form must reproduce the above copyright
13
 * - Redistributions in binary form must reproduce the above copyright
14
 *   notice, this list of conditions and the following disclaimer in the
14
 *   notice, this list of conditions and the following disclaimer in the
15
 *   documentation and/or other materials provided with the distribution.
15
 *   documentation and/or other materials provided with the distribution.
16
 * - The name of the author may not be used to endorse or promote products
16
 * - The name of the author may not be used to endorse or promote products
17
 *   derived from this software without specific prior written permission.
17
 *   derived from this software without specific prior written permission.
18
 *
18
 *
19
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29
 */
29
 */
30
 
30
 
31
/**
31
/**
32
 * @defgroup serial Serial console
32
 * @defgroup serial Serial console
33
 * @brief    Serial console services (putc, puts, clear screen, cursor goto,...)
33
 * @brief    Serial console services (putc, puts, clear screen, cursor goto,...)
34
 * @{
34
 * @{
35
 */
35
 */
36
 
36
 
37
/** @file
37
/** @file
38
 */
38
 */
39
 
39
 
40
#include <stdio.h>
40
#include <stdio.h>
41
#include <ipc/ipc.h>
41
#include <ipc/ipc.h>
42
#include <async.h>
42
#include <async.h>
43
#include <ipc/fb.h>
43
#include <ipc/fb.h>
44
#include <bool.h>
44
#include <bool.h>
45
#include <errno.h>
45
#include <errno.h>
46
#include <console/color.h>
46
#include <console/color.h>
47
#include <console/style.h>
47
#include <console/style.h>
48
 
48
 
-
 
49
#include "../console/screenbuffer.h"
-
 
50
#include "main.h"
49
#include "serial_console.h"
51
#include "serial_console.h"
50
 
52
 
51
#define MAX_CONTROL 20
53
#define MAX_CONTROL 20
52
 
54
 
53
static void serial_sgr(const unsigned int mode);
55
static void serial_sgr(const unsigned int mode);
54
 
56
 
55
static int width;
57
static int scr_width;
56
static int height;
58
static int scr_height;
57
static bool color = true;   /** True if producing color output. */
59
static bool color = true;   /** True if producing color output. */
58
static putc_function_t putc_function;
60
static putc_function_t putc_function;
59
 
61
 
60
/* Allow only 1 connection */
62
/* Allow only 1 connection */
61
static int client_connected = 0;
63
static int client_connected = 0;
62
 
64
 
63
enum sgr_color_index {
65
enum sgr_color_index {
64
    CI_BLACK    = 0,
66
    CI_BLACK    = 0,
65
    CI_RED      = 1,
67
    CI_RED      = 1,
66
    CI_GREEN    = 2,
68
    CI_GREEN    = 2,
67
    CI_BROWN    = 3,
69
    CI_BROWN    = 3,
68
    CI_BLUE     = 4,
70
    CI_BLUE     = 4,
69
    CI_MAGENTA  = 5,
71
    CI_MAGENTA  = 5,
70
    CI_CYAN     = 6,
72
    CI_CYAN     = 6,
71
    CI_WHITE    = 7,
73
    CI_WHITE    = 7,
72
};
74
};
73
 
75
 
74
enum sgr_command {
76
enum sgr_command {
75
    SGR_RESET   = 0,
77
    SGR_RESET   = 0,
76
    SGR_BOLD    = 1,
78
    SGR_BOLD    = 1,
77
    SGR_BLINK   = 5,
79
    SGR_BLINK   = 5,
78
    SGR_REVERSE = 7,
80
    SGR_REVERSE = 7,
79
    SGR_NORMAL_INT  = 22,
81
    SGR_NORMAL_INT  = 22,
80
    SGR_BLINK_OFF   = 25,
82
    SGR_BLINK_OFF   = 25,
81
    SGR_REVERSE_OFF = 27,
83
    SGR_REVERSE_OFF = 27,
82
    SGR_FGCOLOR = 30,
84
    SGR_FGCOLOR = 30,
83
    SGR_BGCOLOR = 40
85
    SGR_BGCOLOR = 40
84
};
86
};
85
 
87
 
86
static int color_map[] = {
88
static int color_map[] = {
87
    [COLOR_BLACK]   = CI_BLACK,
89
    [COLOR_BLACK]   = CI_BLACK,
88
    [COLOR_BLUE]    = CI_RED,
90
    [COLOR_BLUE]    = CI_RED,
89
    [COLOR_GREEN]   = CI_GREEN,
91
    [COLOR_GREEN]   = CI_GREEN,
90
    [COLOR_CYAN]    = CI_CYAN,
92
    [COLOR_CYAN]    = CI_CYAN,
91
    [COLOR_RED] = CI_RED,
93
    [COLOR_RED] = CI_RED,
92
    [COLOR_MAGENTA] = CI_MAGENTA,
94
    [COLOR_MAGENTA] = CI_MAGENTA,
93
    [COLOR_YELLOW]  = CI_BROWN,
95
    [COLOR_YELLOW]  = CI_BROWN,
94
    [COLOR_WHITE]   = CI_WHITE
96
    [COLOR_WHITE]   = CI_WHITE
95
};
97
};
96
 
98
 
97
void serial_puts(char *str)
99
void serial_puts(char *str)
98
{
100
{
99
    while (*str)
101
    while (*str)
100
        putc_function(*(str++));
102
        putc_function(*(str++));
101
}
103
}
102
 
104
 
103
void serial_goto(const unsigned int row, const unsigned int col)
105
void serial_goto(const unsigned int row, const unsigned int col)
104
{
106
{
105
    if ((row > height) || (col > width))
107
    if ((row > scr_height) || (col > scr_width))
106
        return;
108
        return;
107
   
109
   
108
    char control[MAX_CONTROL];
110
    char control[MAX_CONTROL];
109
    snprintf(control, MAX_CONTROL, "\033[%u;%uf", row + 1, col + 1);
111
    snprintf(control, MAX_CONTROL, "\033[%u;%uf", row + 1, col + 1);
110
    serial_puts(control);
112
    serial_puts(control);
111
}
113
}
112
 
114
 
113
void serial_clrscr(void)
115
void serial_clrscr(void)
114
{
116
{
115
    /* Initialize graphic rendition attributes. */
117
    /* Initialize graphic rendition attributes. */
116
    serial_sgr(SGR_RESET);
118
    serial_sgr(SGR_RESET);
117
    if (color) {
119
    if (color) {
118
        serial_sgr(SGR_FGCOLOR + CI_BLACK);
120
        serial_sgr(SGR_FGCOLOR + CI_BLACK);
119
        serial_sgr(SGR_BGCOLOR + CI_WHITE);
121
        serial_sgr(SGR_BGCOLOR + CI_WHITE);
120
    }
122
    }
121
 
123
 
122
    serial_puts("\033[2J");
124
    serial_puts("\033[2J");
123
}
125
}
124
 
126
 
125
void serial_scroll(int i)
127
void serial_scroll(int i)
126
{
128
{
127
    if (i > 0) {
129
    if (i > 0) {
128
        serial_goto(height - 1, 0);
130
        serial_goto(scr_height - 1, 0);
129
        while (i--)
131
        while (i--)
130
            serial_puts("\033D");
132
            serial_puts("\033D");
131
    } else if (i < 0) {
133
    } else if (i < 0) {
132
        serial_goto(0, 0);
134
        serial_goto(0, 0);
133
        while (i++)
135
        while (i++)
134
            serial_puts("\033M");
136
            serial_puts("\033M");
135
    }
137
    }
136
}
138
}
137
 
139
 
138
/** ECMA-48 Set Graphics Rendition. */
140
/** ECMA-48 Set Graphics Rendition. */
139
static void serial_sgr(const unsigned int mode)
141
static void serial_sgr(const unsigned int mode)
140
{
142
{
141
    char control[MAX_CONTROL];
143
    char control[MAX_CONTROL];
142
    snprintf(control, MAX_CONTROL, "\033[%um", mode);
144
    snprintf(control, MAX_CONTROL, "\033[%um", mode);
143
    serial_puts(control);
145
    serial_puts(control);
144
}
146
}
145
 
147
 
146
/** Set scrolling region. */
148
/** Set scrolling region. */
147
void serial_set_scroll_region(unsigned last_row)
149
void serial_set_scroll_region(unsigned last_row)
148
{
150
{
149
    char control[MAX_CONTROL];
151
    char control[MAX_CONTROL];
150
    snprintf(control, MAX_CONTROL, "\033[0;%ur", last_row);
152
    snprintf(control, MAX_CONTROL, "\033[0;%ur", last_row);
151
    serial_puts(control);
153
    serial_puts(control);
152
}
154
}
153
 
155
 
154
void serial_cursor_disable(void)
156
void serial_cursor_disable(void)
155
{
157
{
156
    serial_puts("\033[?25l");
158
    serial_puts("\033[?25l");
157
}
159
}
158
 
160
 
159
void serial_cursor_enable(void)
161
void serial_cursor_enable(void)
160
{
162
{
161
    serial_puts("\033[?25h");
163
    serial_puts("\033[?25h");
162
}
164
}
163
 
165
 
164
void serial_console_init(putc_function_t putc_fn, uint32_t w, uint32_t h)
166
void serial_console_init(putc_function_t putc_fn, uint32_t w, uint32_t h)
165
{
167
{
166
    width = w;
168
    scr_width = w;
167
    height = h;
169
    scr_height = h;
168
    putc_function = putc_fn;
170
    putc_function = putc_fn;
169
}
171
}
170
 
172
 
-
 
173
static void serial_set_style(int style)
-
 
174
{
-
 
175
    if (style == STYLE_EMPHASIS) {
-
 
176
        if (color) {
-
 
177
            serial_sgr(SGR_RESET);
-
 
178
            serial_sgr(SGR_FGCOLOR + CI_RED);
-
 
179
            serial_sgr(SGR_BGCOLOR + CI_WHITE);
-
 
180
        }
-
 
181
        serial_sgr(SGR_BOLD);
-
 
182
    } else {
-
 
183
        if (color) {
-
 
184
            serial_sgr(SGR_RESET);
-
 
185
            serial_sgr(SGR_FGCOLOR + CI_BLACK);
-
 
186
            serial_sgr(SGR_BGCOLOR + CI_WHITE);
-
 
187
        }
-
 
188
        serial_sgr(SGR_NORMAL_INT);
-
 
189
    }
-
 
190
}
-
 
191
 
-
 
192
static void serial_set_idx(unsigned fgcolor, unsigned bgcolor,
-
 
193
    unsigned flags)
-
 
194
{
-
 
195
    if (color) {
-
 
196
        serial_sgr(SGR_RESET);
-
 
197
        serial_sgr(SGR_FGCOLOR + color_map[fgcolor]);
-
 
198
        serial_sgr(SGR_BGCOLOR + color_map[bgcolor]);
-
 
199
    } else {
-
 
200
        if (fgcolor < bgcolor)
-
 
201
            serial_sgr(SGR_RESET);
-
 
202
        else
-
 
203
            serial_sgr(SGR_REVERSE);
-
 
204
    }  
-
 
205
}
-
 
206
 
-
 
207
static void serial_set_rgb(uint32_t fgcolor, uint32_t bgcolor)
-
 
208
{
-
 
209
    if (fgcolor < bgcolor)
-
 
210
        serial_sgr(SGR_REVERSE_OFF);
-
 
211
    else
-
 
212
        serial_sgr(SGR_REVERSE);   
-
 
213
}
-
 
214
 
-
 
215
static void serial_set_attrs(const attrs_t *a)
-
 
216
{
-
 
217
    switch (a->t) {
-
 
218
    case at_style: serial_set_style(a->a.s.style); break;
-
 
219
    case at_rgb: serial_set_rgb(a->a.r.fg_color, a->a.r.bg_color); break;
-
 
220
    case at_idx: serial_set_idx(a->a.i.fg_color,
-
 
221
        a->a.i.bg_color, a->a.i.flags); break;
-
 
222
    default: break;
-
 
223
    }
-
 
224
}
-
 
225
 
-
 
226
static void draw_text_data(keyfield_t *data)
-
 
227
{
-
 
228
    int i, j;
-
 
229
    attrs_t *a0, *a1;
-
 
230
 
-
 
231
    serial_goto(0, 0);
-
 
232
    a0 = &data[0].attrs;
-
 
233
    serial_set_attrs(a0);
-
 
234
 
-
 
235
    for (i = 0; i < scr_height; i++) {
-
 
236
        for (j = 0; j < scr_width; j++) {
-
 
237
            a1 = &data[i * scr_width + j].attrs;
-
 
238
            if (!attrs_same(*a0, *a1))
-
 
239
                serial_set_attrs(a1);
-
 
240
            (*putc_function)(data[i * scr_width + j].character);
-
 
241
            a0 = a1;
-
 
242
        }
-
 
243
    }
-
 
244
}
-
 
245
 
171
/**
246
/**
172
 * Main function of the thread serving client connections.
247
 * Main function of the thread serving client connections.
173
 */
248
 */
174
void serial_client_connection(ipc_callid_t iid, ipc_call_t *icall)
249
void serial_client_connection(ipc_callid_t iid, ipc_call_t *icall)
175
{
250
{
176
    int retval;
251
    int retval;
177
    ipc_callid_t callid;
252
    ipc_callid_t callid;
178
    ipc_call_t call;
253
    ipc_call_t call;
-
 
254
    keyfield_t *interbuf = NULL;
-
 
255
    size_t intersize = 0;
-
 
256
 
179
    char c;
257
    char c;
180
    int lastcol = 0;
258
    int lastcol = 0;
181
    int lastrow = 0;
259
    int lastrow = 0;
182
    int newcol;
260
    int newcol;
183
    int newrow;
261
    int newrow;
184
    int fgcolor;
262
    int fgcolor;
185
    int bgcolor;
263
    int bgcolor;
-
 
264
    int flags;
186
    int style;
265
    int style;
187
    int i;
266
    int i;
-
 
267
 
188
   
268
   
189
    if (client_connected) {
269
    if (client_connected) {
190
        ipc_answer_0(iid, ELIMIT);
270
        ipc_answer_0(iid, ELIMIT);
191
        return;
271
        return;
192
    }
272
    }
193
   
273
   
194
    client_connected = 1;
274
    client_connected = 1;
195
    ipc_answer_0(iid, EOK);
275
    ipc_answer_0(iid, EOK);
196
   
276
   
197
    /* Clear the terminal, set scrolling region
277
    /* Clear the terminal, set scrolling region
198
       to 0 - height rows. */
278
       to 0 - height rows. */
199
    serial_clrscr();
279
    serial_clrscr();
200
    serial_goto(0, 0);
280
    serial_goto(0, 0);
201
    serial_set_scroll_region(height);
281
    serial_set_scroll_region(scr_height);
202
   
282
   
203
    while (true) {
283
    while (true) {
204
        callid = async_get_call(&call);
284
        callid = async_get_call(&call);
205
        switch (IPC_GET_METHOD(call)) {
285
        switch (IPC_GET_METHOD(call)) {
206
        case IPC_M_PHONE_HUNGUP:
286
        case IPC_M_PHONE_HUNGUP:
207
            client_connected = 0;
287
            client_connected = 0;
208
            ipc_answer_0(callid, EOK);
288
            ipc_answer_0(callid, EOK);
209
            return;
289
            return;
-
 
290
        case IPC_M_SHARE_OUT:
-
 
291
            /* We accept one area for data interchange */
-
 
292
            intersize = IPC_GET_ARG2(call);
-
 
293
            if (intersize >= scr_width * scr_height *
-
 
294
                sizeof(*interbuf)) {
-
 
295
                receive_comm_area(callid, &call,
-
 
296
                    (void *) &interbuf);
-
 
297
                continue;
-
 
298
            }
-
 
299
            retval = EINVAL;
-
 
300
            break;
-
 
301
        case FB_DRAW_TEXT_DATA:
-
 
302
            if (!interbuf) {
-
 
303
                retval = EINVAL;
-
 
304
                break;
-
 
305
            }
-
 
306
            draw_text_data(interbuf);
-
 
307
            retval = 0;
-
 
308
            break;
210
        case FB_PUTCHAR:
309
        case FB_PUTCHAR:
211
            c = IPC_GET_ARG1(call);
310
            c = IPC_GET_ARG1(call);
212
            newrow = IPC_GET_ARG2(call);
311
            newrow = IPC_GET_ARG2(call);
213
            newcol = IPC_GET_ARG3(call);
312
            newcol = IPC_GET_ARG3(call);
214
            if ((lastcol != newcol) || (lastrow != newrow))
313
            if ((lastcol != newcol) || (lastrow != newrow))
215
                serial_goto(newrow, newcol);
314
                serial_goto(newrow, newcol);
216
            lastcol = newcol + 1;
315
            lastcol = newcol + 1;
217
            lastrow = newrow;
316
            lastrow = newrow;
218
            (*putc_function)(c);
317
            (*putc_function)(c);
219
            retval = 0;
318
            retval = 0;
220
            break;
319
            break;
221
        case FB_CURSOR_GOTO:
320
        case FB_CURSOR_GOTO:
222
            newrow = IPC_GET_ARG1(call);
321
            newrow = IPC_GET_ARG1(call);
223
            newcol = IPC_GET_ARG2(call);
322
            newcol = IPC_GET_ARG2(call);
224
            serial_goto(newrow, newcol);
323
            serial_goto(newrow, newcol);
225
            lastrow = newrow;
324
            lastrow = newrow;
226
            lastcol = newcol;
325
            lastcol = newcol;
227
            retval = 0;
326
            retval = 0;
228
            break;
327
            break;
229
        case FB_GET_CSIZE:
328
        case FB_GET_CSIZE:
230
            ipc_answer_2(callid, EOK, height, width);
329
            ipc_answer_2(callid, EOK, scr_height, scr_width);
231
            continue;
330
            continue;
232
        case FB_CLEAR:
331
        case FB_CLEAR:
233
            serial_clrscr();
332
            serial_clrscr();
234
            retval = 0;
333
            retval = 0;
235
            break;
334
            break;
236
        case FB_SET_STYLE:
335
        case FB_SET_STYLE:
237
            style =  IPC_GET_ARG1(call);
336
            style = IPC_GET_ARG1(call);
238
            if (style == STYLE_EMPHASIS) {
-
 
239
                if (color) {
-
 
240
                    serial_sgr(SGR_RESET);
-
 
241
                    serial_sgr(SGR_FGCOLOR + CI_RED);
-
 
242
                    serial_sgr(SGR_BGCOLOR + CI_WHITE);
-
 
243
                }
-
 
244
                serial_sgr(SGR_BOLD);
337
            serial_set_style(style);
245
            } else {
-
 
246
                if (color) {
-
 
247
                    serial_sgr(SGR_RESET);
-
 
248
                    serial_sgr(SGR_FGCOLOR + CI_BLACK);
-
 
249
                    serial_sgr(SGR_BGCOLOR + CI_WHITE);
-
 
250
                }
-
 
251
                serial_sgr(SGR_NORMAL_INT);
-
 
252
            }
-
 
253
            retval = 0;
338
            retval = 0;
254
            break;
339
            break;
255
        case FB_SET_COLOR:
340
        case FB_SET_COLOR:
256
            fgcolor = IPC_GET_ARG1(call);
341
            fgcolor = IPC_GET_ARG1(call);
257
            bgcolor = IPC_GET_ARG2(call);
342
            bgcolor = IPC_GET_ARG2(call);
-
 
343
            flags = IPC_GET_ARG3(call);
258
 
344
 
259
            if (color) {
-
 
260
                serial_sgr(SGR_RESET);
-
 
261
                serial_sgr(SGR_FGCOLOR + color_map[fgcolor]);
-
 
262
                serial_sgr(SGR_BGCOLOR + color_map[bgcolor]);
345
            serial_set_idx(fgcolor, bgcolor, flags);
263
            } else {
-
 
264
                if (fgcolor < bgcolor)
-
 
265
                    serial_sgr(SGR_RESET);
-
 
266
                else
-
 
267
                    serial_sgr(SGR_REVERSE);
-
 
268
            }
-
 
269
            retval = 0;
346
            retval = 0;
270
            break;
347
            break;
271
        case FB_SET_RGB_COLOR:
348
        case FB_SET_RGB_COLOR:
272
            fgcolor = IPC_GET_ARG1(call);
349
            fgcolor = IPC_GET_ARG1(call);
273
            bgcolor = IPC_GET_ARG2(call);
350
            bgcolor = IPC_GET_ARG2(call);
274
            if (fgcolor < bgcolor)
-
 
275
                serial_sgr(SGR_REVERSE_OFF);
-
 
276
            else
351
 
277
                serial_sgr(SGR_REVERSE);
352
            serial_set_rgb(fgcolor, bgcolor);
278
            retval = 0;
353
            retval = 0;
279
            break;
354
            break;
280
        case FB_SCROLL:
355
        case FB_SCROLL:
281
            i = IPC_GET_ARG1(call);
356
            i = IPC_GET_ARG1(call);
282
            if ((i > height) || (i < -height)) {
357
            if ((i > scr_height) || (i < -scr_height)) {
283
                retval = EINVAL;
358
                retval = EINVAL;
284
                break;
359
                break;
285
            }
360
            }
286
            serial_scroll(i);
361
            serial_scroll(i);
287
            serial_goto(lastrow, lastcol);
362
            serial_goto(lastrow, lastcol);
288
            retval = 0;
363
            retval = 0;
289
            break;
364
            break;
290
        case FB_CURSOR_VISIBILITY:
365
        case FB_CURSOR_VISIBILITY:
291
            if(IPC_GET_ARG1(call))
366
            if(IPC_GET_ARG1(call))
292
                serial_cursor_enable();
367
                serial_cursor_enable();
293
            else
368
            else
294
                serial_cursor_disable();
369
                serial_cursor_disable();
295
            retval = 0;
370
            retval = 0;
296
            break;
371
            break;
297
        default:
372
        default:
298
            retval = ENOENT;
373
            retval = ENOENT;
299
        }
374
        }
300
        ipc_answer_0(callid, retval);
375
        ipc_answer_0(callid, retval);
301
    }
376
    }
302
}
377
}
303
 
378
 
304
/**
379
/**
305
 * @}
380
 * @}
306
 */
381
 */
307
 
382