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clean up linux framebuffer frontend

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svn path=/trunk/netsurf/; revision=6799
This commit is contained in:
Vincent Sanders 2009-03-18 21:13:09 +00:00
parent 37eae24d5c
commit e2a6087fe3
1 changed files with 126 additions and 139 deletions
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265
framebuffer/fb_frontend_linuxfb.c
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@ -43,7 +43,8 @@
#include "css/css.h"
#include "utils/messages.h"
#include "desktop/gui.h"
/* #include "desktop/textinput.h" cannot include this becaus eit conflicts with the linux defines */
/* #include "desktop/textinput.h" cannot include this because it conflicts with
the linux defines */
#define NSKEY_PAGE_DOWN 135
#define NSKEY_PAGE_UP 134
#define NSKEY_DOWN 31
@ -75,17 +76,16 @@ unsigned char *fb_mem;
int fb_mem_offset = 0;
int fb_switch_state = FB_ACTIVE;
static int fb,tty;
static int orig_vt_no = 0;
static struct vt_mode vt_mode;
static int fb,tty;
static int orig_vt_no = 0;
static struct vt_mode vt_mode;
static int kd_mode;
static struct vt_mode vt_omode;
static struct termios term;
static struct fb_var_screeninfo fb_ovar;
static unsigned short ored[256], ogreen[256], oblue[256], otransp[256];
static struct fb_cmap ocmap = { 0, 256, ored, ogreen, oblue, otransp };
static int kd_mode;
static struct vt_mode vt_omode;
static struct termios term;
static struct fb_var_screeninfo fb_ovar;
static unsigned short ored[256], ogreen[256], oblue[256], otransp[256];
static struct fb_cmap ocmap = { 0, 256, ored, ogreen, oblue, otransp };
typedef struct _input_dev {
struct _input_dev *next;
@ -109,24 +109,8 @@ struct DEVS devs_default = {
.ttynr = "/dev/tty%d",
};
struct DEVS devs_devfs = {
.fb0 = "/dev/fb/0",
.fbnr = "/dev/fb/%d",
.ttynr = "/dev/vc/%d",
};
struct DEVS *devices;
static void dev_init(void)
{
struct stat dummy;
if (NULL != devices)
return;
if (0 == stat("/dev/.devfsd",&dummy))
devices = &devs_devfs;
else
devices = &devs_default;
}
static char *
fconcat(const char *base, const char *leaf)
@ -151,7 +135,8 @@ fb_open_input_devices(void)
return;
while ((de = readdir(dir)) != NULL) {
if (fnmatch(option_fb_input_glob ? option_fb_input_glob : "event*",
if (fnmatch(option_fb_input_glob ?
option_fb_input_glob : "event*",
de->d_name, 0) == 0) {
char *cc = fconcat(basepath, de->d_name);
int fd = open(cc, O_RDONLY | O_NONBLOCK);
@ -189,13 +174,13 @@ fb_switch_init(void)
{
struct sigaction act,old;
memset(&act,0,sizeof(act));
act.sa_handler = fb_switch_signal;
memset(&act, 0, sizeof(act));
act.sa_handler = fb_switch_signal;
sigemptyset(&act.sa_mask);
sigaction(SIGUSR1,&act,&old);
sigaction(SIGUSR2,&act,&old);
sigaction(SIGUSR1, &act, &old);
sigaction(SIGUSR2, &act, &old);
if (-1 == ioctl(tty,VT_GETMODE, &vt_mode)) {
if (ioctl(tty,VT_GETMODE, &vt_mode) == -1) {
perror("ioctl VT_GETMODE");
exit(1);
}
@ -204,7 +189,7 @@ fb_switch_init(void)
vt_mode.relsig = SIGUSR1;
vt_mode.acqsig = SIGUSR2;
if (-1 == ioctl(tty,VT_SETMODE, &vt_mode)) {
if (ioctl(tty,VT_SETMODE, &vt_mode) == -1) {
perror("ioctl VT_SETMODE");
exit(1);
}
@ -214,73 +199,67 @@ fb_switch_init(void)
/* -------------------------------------------------------------------- */
/* initialisation & cleanup */
static 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
}
static int
fb_setmode(const char *name, int bpp)
{
FILE *fp;
char line[80],label[32],value[16];
int geometry=0, timings=0;
char line[80], label[32], value[16];
int geometry = 0;
int timings = 0;
/* load current values */
if (ioctl(fb,FBIOGET_VSCREENINFO,&fb_var) == -1) {
if (ioctl(fb, FBIOGET_VSCREENINFO, &fb_var) == -1) {
perror("ioctl FBIOGET_VSCREENINFO");
exit(1);
}
if (name == NULL)
return -1;
if ((fp = fopen("/etc/fb.modes","r")) == NULL)
return -1;
while (NULL != fgets(line,79,fp)) {
if (1 == sscanf(line, "mode \"%31[^\"]\"",label) &&
0 == strcmp(label,name)) {
if ((sscanf(line, "mode \"%31[^\"]\"", label) == 1) &&
(strcmp(label,name) == 0)) {
/* fill in new values */
fb_var.sync = 0;
fb_var.vmode = 0;
while (NULL != fgets(line,79,fp) &&
NULL == strstr(line,"endmode")) {
while ((fgets(line,79,fp) != NULL) &&
(strstr(line,"endmode") == NULL)) {
if (5 == sscanf(line," geometry %d %d %d %d %d",
&fb_var.xres,&fb_var.yres,
&fb_var.xres_virtual,&fb_var.yres_virtual,
&fb_var.bits_per_pixel))
geometry = 1;
if (7 == sscanf(line," timings %d %d %d %d %d %d %d",
&fb_var.pixclock,
&fb_var.left_margin, &fb_var.right_margin,
&fb_var.upper_margin, &fb_var.lower_margin,
&fb_var.hsync_len, &fb_var.vsync_len))
timings = 1;
if (1 == sscanf(line, " hsync %15s",value) &&
0 == strcasecmp(value,"high"))
fb_var.sync |= FB_SYNC_HOR_HIGH_ACT;
if (1 == sscanf(line, " vsync %15s",value) &&
0 == strcasecmp(value,"high"))
fb_var.sync |= FB_SYNC_VERT_HIGH_ACT;
if (1 == sscanf(line, " csync %15s",value) &&
0 == strcasecmp(value,"high"))
fb_var.sync |= FB_SYNC_COMP_HIGH_ACT;
if (1 == sscanf(line, " extsync %15s",value) &&
0 == strcasecmp(value,"true"))
fb_var.sync |= FB_SYNC_EXT;
if (1 == sscanf(line, " laced %15s",value) &&
0 == strcasecmp(value,"true"))
fb_var.vmode |= FB_VMODE_INTERLACED;
if (1 == sscanf(line, " double %15s",value) &&
0 == strcasecmp(value,"true"))
fb_var.vmode |= FB_VMODE_DOUBLE;
@ -295,10 +274,11 @@ fb_setmode(const char *name, int bpp)
/* set */
fb_var.xoffset = 0;
fb_var.yoffset = 0;
if (-1 == ioctl(fb,FBIOPUT_VSCREENINFO,&fb_var))
if (ioctl(fb, FBIOPUT_VSCREENINFO, &fb_var) == -1)
perror("ioctl FBIOPUT_VSCREENINFO");
/* look what we have now ... */
if (-1 == ioctl(fb,FBIOGET_VSCREENINFO,&fb_var)) {
if (ioctl(fb, FBIOGET_VSCREENINFO, &fb_var) == -1) {
perror("ioctl FBIOGET_VSCREENINFO");
exit(1);
}
@ -315,7 +295,7 @@ fb_setvt(int vtno)
char vtname[12];
if (vtno < 0) {
if (-1 == ioctl(tty,VT_OPENQRY, &vtno) || vtno == -1) {
if ((ioctl(tty, VT_OPENQRY, &vtno) == -1) || (vtno == -1)) {
perror("ioctl VT_OPENQRY");
exit(1);
}
@ -328,35 +308,19 @@ fb_setvt(int vtno)
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);
*/
tty = open(vtname,O_RDWR);
if (-1 == ioctl(tty,VT_GETSTATE, &vts)) {
if (ioctl(tty,VT_GETSTATE, &vts) == -1) {
perror("ioctl VT_GETSTATE");
exit(1);
}
orig_vt_no = vts.v_active;
if (-1 == ioctl(tty,VT_ACTIVATE, vtno)) {
if (ioctl(tty,VT_ACTIVATE, vtno) == -1) {
perror("ioctl VT_ACTIVATE");
exit(1);
}
if (-1 == ioctl(tty,VT_WAITACTIVE, vtno)) {
if (ioctl(tty,VT_WAITACTIVE, vtno) == -1) {
perror("ioctl VT_WAITACTIVE");
exit(1);
}
@ -368,15 +332,15 @@ fb_activate_current(int tty)
{
struct vt_stat vts;
if (-1 == ioctl(tty,VT_GETSTATE, &vts)) {
if (ioctl(tty,VT_GETSTATE, &vts) == -1) {
perror("ioctl VT_GETSTATE");
return -1;
}
if (-1 == ioctl(tty,VT_ACTIVATE, vts.v_active)) {
if (ioctl(tty,VT_ACTIVATE, vts.v_active) == -1) {
perror("ioctl VT_ACTIVATE");
return -1;
}
if (-1 == ioctl(tty,VT_WAITACTIVE, vts.v_active)) {
if (ioctl(tty,VT_WAITACTIVE, vts.v_active) == -1) {
perror("ioctl VT_WAITACTIVE");
return -1;
}
@ -387,25 +351,31 @@ static void
fb_cleanup(void)
{
/* restore console */
if (-1 == ioctl(fb,FBIOPUT_VSCREENINFO,&fb_ovar))
if (ioctl(fb,FBIOPUT_VSCREENINFO,&fb_ovar) == -1)
perror("ioctl FBIOPUT_VSCREENINFO");
if (-1 == ioctl(fb,FBIOGET_FSCREENINFO,&fb_fix))
if (ioctl(fb,FBIOGET_FSCREENINFO,&fb_fix) == -1)
perror("ioctl FBIOGET_FSCREENINFO");
if (fb_ovar.bits_per_pixel == 8 ||
fb_fix.visual == FB_VISUAL_DIRECTCOLOR) {
if (-1 == ioctl(fb,FBIOPUTCMAP,&ocmap))
if ((fb_ovar.bits_per_pixel == 8) ||
(fb_fix.visual == FB_VISUAL_DIRECTCOLOR)) {
if (ioctl(fb,FBIOPUTCMAP,&ocmap) == -1)
perror("ioctl FBIOPUTCMAP");
}
close(fb);
if (-1 == ioctl(tty,KDSETMODE, kd_mode))
if (ioctl(tty,KDSETMODE, kd_mode) == -1)
perror("ioctl KDSETMODE");
if (-1 == ioctl(tty,VT_SETMODE, &vt_omode))
if (ioctl(tty,VT_SETMODE, &vt_omode) == -1)
perror("ioctl VT_SETMODE");
if (orig_vt_no && -1 == ioctl(tty, VT_ACTIVATE, orig_vt_no))
if (orig_vt_no && (ioctl(tty, VT_ACTIVATE, orig_vt_no) == -1))
perror("ioctl VT_ACTIVATE");
if (orig_vt_no && -1 == ioctl(tty, VT_WAITACTIVE, orig_vt_no))
if (orig_vt_no && (ioctl(tty, VT_WAITACTIVE, orig_vt_no) == -1))
perror("ioctl VT_WAITACTIVE");
tcsetattr(tty, TCSANOW, &term);
close(tty);
}
@ -413,20 +383,22 @@ fb_cleanup(void)
static int
framebuffer_init(const char *device, int width, int height, int refresh, int bpp, int vt)
{
char fbdev[16];
char fbdev[16];
struct vt_stat vts;
long pm = ~(sysconf(_SC_PAGESIZE) - 1);
char mode[32];
snprintf(mode, 32, "%dx%d-%d", width, height, refresh);
dev_init();
devices = &devs_default;
tty = 0;
if (vt != 0)
fb_setvt(vt);
if (ioctl(tty,VT_GETSTATE, &vts) == -1) {
fprintf(stderr,"ioctl VT_GETSTATE: %s (not a linux console?)\n",
fprintf(stderr,
"ioctl VT_GETSTATE: %s (not a linux console?)\n",
strerror(errno));
exit(1);
}
@ -435,48 +407,56 @@ framebuffer_init(const char *device, int width, int height, int refresh, int bpp
device = getenv("FRAMEBUFFER");
if (device == NULL) {
struct fb_con2fbmap c2m;
if (-1 == (fb = open(devices->fb0,O_RDWR /* O_WRONLY */,0))) {
fprintf(stderr,"open %s: %s\n",devices->fb0,strerror(errno));
if ((fb = open(devices->fb0, O_RDWR, 0)) == -1) {
fprintf(stderr,
"open %s: %s\n",
devices->fb0,
strerror(errno));
exit(1);
}
c2m.console = vts.v_active;
if (-1 == ioctl(fb, FBIOGET_CON2FBMAP, &c2m)) {
if (ioctl(fb, FBIOGET_CON2FBMAP, &c2m) == -1) {
perror("ioctl FBIOGET_CON2FBMAP");
exit(1);
}
close(fb);
fprintf(stderr,"map: vt%02d => fb%d\n",
c2m.console,c2m.framebuffer);
sprintf(fbdev,devices->fbnr,c2m.framebuffer);
c2m.console, c2m.framebuffer);
sprintf(fbdev, devices->fbnr, 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));
if ((fb = open(device, O_RDWR)) == -1) {
fprintf(stderr, "open %s: %s\n", device, strerror(errno));
exit(1);
}
if (-1 == ioctl(fb,FBIOGET_VSCREENINFO,&fb_ovar)) {
if (ioctl(fb, FBIOGET_VSCREENINFO, &fb_ovar) == -1) {
perror("ioctl FBIOGET_VSCREENINFO");
exit(1);
}
if (-1 == ioctl(fb,FBIOGET_FSCREENINFO,&fb_fix)) {
if (ioctl(fb, FBIOGET_FSCREENINFO, &fb_fix) == -1) {
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)) {
if ((fb_ovar.bits_per_pixel == 8) ||
(fb_fix.visual == FB_VISUAL_DIRECTCOLOR)) {
if (ioctl(fb, FBIOGETCMAP, &ocmap) == -1) {
perror("ioctl FBIOGETCMAP");
exit(1);
}
}
if (-1 == ioctl(tty,KDGETMODE, &kd_mode)) {
if (ioctl(tty, KDGETMODE, &kd_mode) == -1) {
perror("ioctl KDGETMODE");
exit(1);
}
if (-1 == ioctl(tty,VT_GETMODE, &vt_omode)) {
if (ioctl(tty,VT_GETMODE, &vt_omode) == -1) {
perror("ioctl VT_GETMODE");
exit(1);
}
@ -486,7 +466,7 @@ framebuffer_init(const char *device, int width, int height, int refresh, int bpp
fb_setmode(mode, bpp);
/* checks & initialisation */
if (-1 == ioctl(fb,FBIOGET_FSCREENINFO,&fb_fix)) {
if (ioctl(fb, FBIOGET_FSCREENINFO, &fb_fix) == -1) {
perror("ioctl FBIOGET_FSCREENINFO");
exit(1);
}
@ -496,29 +476,33 @@ framebuffer_init(const char *device, int width, int height, int refresh, int bpp
}
fb_mem_offset = (unsigned long)(fb_fix.smem_start) & (~pm);
fb_mem = mmap(NULL,fb_fix.smem_len+fb_mem_offset,
PROT_READ|PROT_WRITE,MAP_SHARED,fb,0);
fb_mem = mmap(NULL, fb_fix.smem_len + fb_mem_offset,
PROT_READ | 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) {
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)) {
if (ioctl(fb, FBIOPAN_DISPLAY, &fb_var) == -1) {
perror("ioctl FBIOPAN_DISPLAY");
goto err;
}
}
if (-1 == ioctl(tty,KDSETMODE, KD_GRAPHICS)) {
if (ioctl(tty, KDSETMODE, KD_GRAPHICS) == -1) {
perror("ioctl KDSETMODE");
goto err;
}
fb_activate_current(tty);
/* cls */
fb_memset(fb_mem + fb_mem_offset, 0, fb_fix.smem_len);
memset(fb_mem + fb_mem_offset, 0, fb_fix.smem_len);
return fb;
err:
@ -576,7 +560,8 @@ framebuffer_t *fb_os_init(int argc, char** argv)
int fb_refresh;
int fb_depth;
if ((option_window_width != 0) && (option_window_height != 0)) {
if ((option_window_width != 0) &&
(option_window_height != 0)) {
fb_width = option_window_width;
fb_height = option_window_height;
} else {
@ -591,7 +576,9 @@ framebuffer_t *fb_os_init(int argc, char** argv)
}
fb_depth = option_fb_depth;
if ((fb_depth != 32) && (fb_depth != 16) && (fb_depth != 8))
if ((fb_depth != 32) &&
(fb_depth != 16) &&
(fb_depth != 8))
fb_depth = 16; /* sanity checked depth in bpp */
framebuffer_init(option_fb_device, fb_width, fb_height, fb_refresh, fb_depth, 1);
@ -628,21 +615,21 @@ void fb_os_quit(framebuffer_t *fb)
static int keymap[] = {
-1, -1, '1', '2', '3', '4', '5', '6', '7', '8', /* 0 - 9 */
'9', '0', '-', '=', 8, 9, 'q', 'w', 'e', 'r', /* 10 - 19 */
't', 'y', 'u', 'i', 'o', 'p', '[', ']', 13, -1, /* 20 - 29 */
'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* 30 - 39 */
'\'', '#', -1, '\\', 'z', 'x', 'c', 'v', 'b', 'n', /* 40 - 49 */
'm', ',', '.', '/', -1, -1, -1, ' ', -1, -1, /* 50 - 59 */
-1, -1, '1', '2', '3', '4', '5', '6', '7', '8', /* 0 - 9 */
'9', '0', '-', '=', 8, 9, 'q', 'w', 'e', 'r', /* 10 - 19 */
't', 'y', 'u', 'i', 'o', 'p', '[', ']', 13, -1, /* 20 - 29 */
'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* 30 - 39 */
'\'', '#', -1, '\\', 'z', 'x', 'c', 'v', 'b', 'n', /* 40 - 49 */
'm', ',', '.', '/', -1, -1, -1, ' ', -1, -1, /* 50 - 59 */
};
static int sh_keymap[] = {
-1, -1, '!', '"', 0xa3, '$', '%', '^', '&', '*', /* 0 - 9 */
'(', ')', '_', '+', 8, 9, 'Q', 'W', 'E', 'R', /* 10 - 19 */
'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', 13, -1, /* 20 - 29 */
'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', /* 30 - 39 */
'@', '~', -1, '|', 'Z', 'X', 'C', 'V', 'B', 'N', /* 40 - 49 */
'M', '<', '>', '?', -1, -1, -1, ' ', -1, -1, /* 50 - 59 */
-1, -1, '!', '"', 0xa3, '$', '%', '^', '&', '*', /* 0 - 9 */
'(', ')', '_', '+', 8, 9, 'Q', 'W', 'E', 'R', /* 10 - 19 */
'T', 'Y', 'U', 'I', 'O', 'P', '{', '}', 13, -1, /* 20 - 29 */
'A', 'S', 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', /* 30 - 39 */
'@', '~', -1, '|', 'Z', 'X', 'C', 'V', 'B', 'N', /* 40 - 49 */
'M', '<', '>', '?', -1, -1, -1, ' ', -1, -1, /* 50 - 59 */
};
@ -733,30 +720,30 @@ void fb_os_input(fbtk_widget_t *root, bool active)
}
} else if (event.type == EV_REL) {
switch (event.code) {
case REL_X:
case REL_X:
fbtk_move_pointer(root, event.value, 0, true);
break;
break;
case REL_Y:
fbtk_move_pointer(root, 0, event.value, true);
break;
break;
case REL_WHEEL:
case REL_WHEEL:
if (event.value > 0)
fbtk_input(root, NSKEY_UP);
else
fbtk_input(root, NSKEY_DOWN);
break;
break;
}
} else if (event.type == EV_ABS) {
switch (event.code) {
case ABS_X:
case ABS_X:
fbtk_move_pointer(root, event.value, -1, false);
break;
break;
case ABS_Y:
fbtk_move_pointer(root, -1, event.value, false);
break;
break;
}
}