aboutsummaryrefslogtreecommitdiffstats
path: root/fb/progress.c
blob: 8a0164aa28af084e013f184a9a55550505eb6455 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
/*
 * framebuffer tool, inspired from fbi ((c) 1998,99 Gerd Knorr <kraxel@goldbach.in-berlin.de>)
 *
 * (c) 2002 Florent Villard (warly@mandrakesoft.com)
 *
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>
#include <termios.h>
#include <getopt.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <linux/fb.h>
#include <sys/stat.h>
#include <linux/kd.h>
#include <linux/vt.h>
#include <asm/page.h>

int fd;
static int fb;
unsigned char *fb_mem;
static int tty;
struct fb_fix_screeninfo   fb_fix;
struct fb_var_screeninfo   fb_var;
static struct fb_var_screeninfo  fb_ovar;
static unsigned short ored[256], ogreen[256], oblue[256];
static struct fb_cmap ocmap = { 0, 256, ored, ogreen, oblue };
static int kd_mode;
static struct vt_mode vt_omode;
static struct termios term;
int fb_mem_offset = 0;
static int orig_vt_no = 0;
struct termios  saved_attributes;
int saved_fl;
char *fbdev = NULL;

/* Command line options. */
struct option progress_options[] = {
    {"version",    no_argument,       NULL, 'v'},  /* version */
    {"help",       no_argument,       NULL, 'h'},  /* help */
    {"device",     required_argument, NULL, 'd'},  /* device */
    {"nochange",   no_argument,       NULL, 'n'},
    {"tty",        required_argument, NULL, 't'},
    {0,0,0,0}
};


void
fb_memset (void *addr, int c, size_t len)
{
#if 1 /* defined(__powerpc__) */
    unsigned int i, *p;
    
    i = (c & 0xff) << 8;
    i |= i << 16;
    len >>= 2;
    for (p = addr; len--; p++)
	*p = i;
#else
    memset(addr, c, len);
#endif
}

void
fb_cleanup(void)
{
    /* restore console */
    if (-1 == ioctl(fb,FBIOPUT_VSCREENINFO,&fb_ovar))
	perror("ioctl FBIOPUT_VSCREENINFO");
    if (-1 == ioctl(fb,FBIOGET_FSCREENINFO,&fb_fix))
	perror("ioctl FBIOGET_FSCREENINFO");
    if (fb_ovar.bits_per_pixel == 8 ||
	fb_fix.visual == FB_VISUAL_DIRECTCOLOR) {
	if (-1 == ioctl(fb,FBIOPUTCMAP,&ocmap))
	    perror("ioctl FBIOPUTCMAP");
    }
    close(fb);

    if (-1 == ioctl(tty,KDSETMODE, kd_mode))
	perror("ioctl KDSETMODE");
    if (-1 == ioctl(tty,VT_SETMODE, &vt_omode))
	perror("ioctl VT_SETMODE");
    if (orig_vt_no && -1 == ioctl(tty,VT_ACTIVATE, orig_vt_no))
	perror("ioctl VT_ACTIVATE");
    tcsetattr(tty, TCSANOW, &term);
    close(tty);
}

void
fb_setvt(int vtno, int nochange)
{
    struct vt_stat vts;
    char vtname[12];
    
    if (-1 == ioctl(tty,VT_GETSTATE, &vts)) {
	perror("ioctl VT_GETSTATE");
	exit(1);
    }
    orig_vt_no = vts.v_active;
    if ((orig_vt_no != vtno) && nochange) exit(0);
    
    if (vtno < 0) {
	if (-1 == ioctl(tty,VT_OPENQRY, &vtno) || vtno == -1) {
	    perror("ioctl VT_OPENQRY");
	    exit(1);
	}
    }

    vtno &= 0xff;
    sprintf(vtname, "/dev/tty%d", vtno);
    chown(vtname, getuid(), getgid());
    if (-1 == access(vtname,R_OK | W_OK)) {
	fprintf(stderr,"access %s: %s\n",vtname,strerror(errno));
	exit(1);
    }
    switch (fork()) {
    case 0:
	break;
    case -1:
	perror("fork");
	exit(1);
    default:
	exit(0);
    }
    close(tty);
    close(0);
    close(1);
    close(2);
    setsid();
    open(vtname,O_RDWR);
    dup(0);
    dup(0);

    if (-1 == ioctl(tty,VT_ACTIVATE, vtno)) {
	perror("ioctl VT_ACTIVATE");
	exit(1);
    }
    if (-1 == ioctl(tty,VT_WAITACTIVE, vtno)) {
	perror("ioctl VT_WAITACTIVE");
	exit(1);
    }
}


int
fb_init(char *device, int vt, int nochange)
{
    struct stat st;
    char   fbdev[16];

    tty = 0;
    if (vt != 0)
	fb_setvt(vt,nochange);

    /* FIXME: where are MAJOR() / MINOR() ??? */
    fstat(tty,&st);
#if 0 
    if (((st.st_rdev >> 8) & 0xff) != TTY_MAJOR) {
	/* catch that here, give a more user friendly error message that just
	 * throw a error about a failed ioctl later on ... */
	fprintf(stderr,
		"ERROR: tty is not a linux console.  You can not start this\n"
		"       tool from a pseudo tty (xterm/ssh/screen/...).\n");
	exit(1);
    }
#endif
    if (NULL == device) {
	device = getenv("FRAMEBUFFER");
	if (NULL == device) {
	    struct fb_con2fbmap c2m;
	    if (-1 == (fb = open("/dev/fb0",O_WRONLY,0))) {
		fprintf(stderr,"open /dev/fb0: %s\n",strerror(errno));
		exit(1);
	    }
	    c2m.console = st.st_rdev & 0xff;
	    if (-1 == ioctl(fb, FBIOGET_CON2FBMAP, &c2m)) {
		perror("ioctl FBIOGET_CON2FBMAP");
		exit(1);
	    }
	    close(fb);
	    //fprintf(stderr,"map: vt%02d => fb%d\n",c2m.console,c2m.framebuffer);
	    sprintf(fbdev,"/dev/fb%d",c2m.framebuffer);
	    device = fbdev;
	}
    }
    /* get current settings (which we have to restore) */
    if (-1 == (fb = open(device,O_RDWR /* O_WRONLY */))) {
	fprintf(stderr,"open %s: %s\n",device,strerror(errno));
	exit(1);
    }
    if (-1 == ioctl(fb,FBIOGET_VSCREENINFO,&fb_ovar)) {
	perror("ioctl FBIOGET_VSCREENINFO");
	exit(1);
    }
    if (-1 == ioctl(fb,FBIOGET_FSCREENINFO,&fb_fix)) {
	perror("ioctl FBIOGET_FSCREENINFO");
	exit(1);
    }
    if (fb_ovar.bits_per_pixel == 8 ||
	fb_fix.visual == FB_VISUAL_DIRECTCOLOR) {
	if (-1 == ioctl(fb,FBIOGETCMAP,&ocmap)) {
	    perror("ioctl FBIOGETCMAP");
	    exit(1);
	}
    }
    if (-1 == ioctl(tty,KDGETMODE, &kd_mode)) {
	perror("ioctl KDGETMODE");
	exit(1);
    }
    if (-1 == ioctl(tty,VT_GETMODE, &vt_omode)) {
	perror("ioctl VT_GETMODE");
	exit(1);
    }
    tcgetattr(tty, &term);
    
    /* get mode info */
   if (-1 == ioctl(fb,FBIOGET_VSCREENINFO,&fb_var)) {
	perror("ioctl FBIOGET_VSCREENINFO");
	exit(1);
    } 
   
    /* checks & initialisation */
    if (-1 == ioctl(fb,FBIOGET_FSCREENINFO,&fb_fix)) {
	perror("ioctl FBIOGET_FSCREENINFO");
	exit(1);
    }
    if (fb_fix.type != FB_TYPE_PACKED_PIXELS) {
	fprintf(stderr,"can handle only packed pixel frame buffers\n");
	goto err;
    }
    fb_mem_offset = (unsigned long)(fb_fix.smem_start) & (~PAGE_MASK);
    fb_mem = mmap(NULL,fb_fix.smem_len+fb_mem_offset,PROT_WRITE,MAP_SHARED,fb,0);
    if (-1L == (long)fb_mem) {
	perror("mmap");
	goto err;
    }
    /* move viewport to upper left corner */
    if (fb_var.xoffset != 0 || fb_var.yoffset != 0) {
	fb_var.xoffset = 0;
	fb_var.yoffset = 0;
	if (-1 == ioctl(fb,FBIOPAN_DISPLAY,&fb_var)) {
	    perror("ioctl FBIOPAN_DISPLAY");
	    goto err;
	}
    }
//    if (-1 == ioctl(tty,KDSETMODE, KD_GRAPHICS)) {
//	perror("ioctl KDSETMODE");
//	goto err;
//    }

    /* cls */
    //fb_memset(fb_mem+fb_mem_offset,0,fb_fix.smem_len);
    return fb;

 err:
    fb_cleanup();
    exit(1);
}

void
tty_restore()
{
    fcntl(0,F_SETFL,saved_fl);
    tcsetattr (0, TCSANOW, &saved_attributes);
}

void
tty_raw()
{
    struct termios tattr;
    
    fcntl(0,F_GETFL,&saved_fl);
    tcgetattr (0, &saved_attributes);
    
    fcntl(0,F_SETFL,O_NONBLOCK);
    memcpy(&tattr,&saved_attributes,sizeof(struct termios));
    tattr.c_lflag &= ~(ICANON|ECHO);
    tattr.c_cc[VMIN] = 1;
    tattr.c_cc[VTIME] = 0;
    tcsetattr (0, TCSAFLUSH, &tattr);
}

void
version(void)
{
    fprintf(stderr, "progress version " VERSION
	    " (c) 2002 Florent Villard <warly@mandrakesoft.com>; compiled on %s.\n", __DATE__ );
}

void
usage(char *name)
{
    char *h;
    h = strrchr(name, '/');
    fprintf(stderr,
	    "\n"
	    "This program displays rectangles using the Linux framebuffer device.\n"
	    "\n"
	    "  Usage: %s [ options ] x y dx dy color\n"
	    "\n"
	    "    --help       [-h]      Print this text\n"
	    "    --version    [-v]      Show the %s version number\n"
	    "    --device     [-d] dev  Framebuffer device [%s]\n"
	    "    --nochange   [-n]      Exit if tty is not the current one\n"
	    "    --tty        [-t] tty  Display on a specific tty (actual if omitted)\n"
	    "\n"
	    "\n"
	    ,h ? h + 1 : name, h ? h + 1 : name,fbdev ? fbdev : "/dev/fb0");
}



int
main(int argc, char *argv[])
{
    int i,j,bytes;
    int x,y,X,Y;
    int color;
    int opt_index = 0;
    int c,tty=0;
    int nochange = 0;
    char * tab;
    char * a;
    for (;;) {
	c = getopt_long(argc, argv, "vhnd:t:", progress_options, &opt_index);
	if (c == -1)
	    break;
	switch (c) {
	case 'd':
	    fbdev = optarg;
	    break;
	case 'v':
	    version();
	    exit(1);
	    break;
	case 'n':
	    nochange=1;
	    break;
	case 't':
	    tty = atoi(optarg);
	    break;
	default:
	case 'h':
	    usage(argv[0]);
	    exit(1);
	}
    }
    if (optind > argc - 5) {
	usage(argv[0]);
	exit(1);
    }
    fd = fb_init(fbdev, tty, nochange);
    x = atoi((char *)*(argv+optind++));
    if ( x > fb_var.xres ) x = 0;
    y = atoi((char *)*(argv+optind++));
    if ( y > fb_var.yres ) y = 0;
    X = atoi((char *)*(argv+optind++));
    if ( X + x > fb_var.xres ) X = fb_var.xres-x;
    Y = atoi((char *)*(argv+optind++));
    if ( Y + y > fb_var.yres ) Y = fb_var.yres-y;
    color = strtol((char *)*(argv+optind++),NULL,16);
    
    // printf("x %d y %d X %d Y %d color %x bit per pixel %d red %d green %d blue %d tty %d\n",x,y,X,Y,color,fb_var.bits_per_pixel,fb_var.red.length,fb_var.green.length,fb_var.blue.length,tty);
    exit;
    switch (fb_var.bits_per_pixel){
  	case 24: break;
	case 16:
	case 15: 
            color = ((color & 0xff0000) >> 16 >> 3 << (fb_var.green.length + fb_var.blue.length)) + ((color & 0x00ff00) >> 8 >> 2 << (fb_var.blue.length)) + ((color & 0x0000ff) >> 3); 
	    break;
	default:
	    perror("unsupported bits per pixel mode");
	    exit(1);
    }
    bytes = (fb_var.bits_per_pixel+7)/8;
    tty_raw();
    tab = (char *)malloc(sizeof(char)*bytes*X);
    a = (char *)malloc(sizeof(char)*bytes);
    for (j = 0; j < bytes; j++){
	a[j] = color >> (8*j);
    }
    for (i = 0; i < X; i++) {
	for (j = 0; j < bytes; j++){
	    tab[bytes*i+j] = a[j];
	}
        memcpy(fb_mem+(y*fb_var.xres+x+i)*bytes, a, bytes);
    }
    for (j = 1; j < Y; j++){
        memcpy(fb_mem+(y+j)*bytes*fb_var.xres+x*bytes, tab, bytes*X);
    }
    tty_restore();
    return 0;
}