static Ret open_device(PrivInfo* priv, int max_x, int max_y)
{
int fd = 0;
int mouseId = -1;
int flags = O_RDWR | O_SYNC | O_EXCL;;
fd = open( "/dev/input/mice", flags );
if (fd < 0)
{
return RET_OK;
}
fcntl( fd, F_SETFL, fcntl ( fd, F_GETFL ) & ~O_NONBLOCK );
mouseId = init_ps2( fd, true );
if (mouseId < 0) {
close( fd );
return RET_OK;
}
priv->max_x = max_x;
priv->max_y = max_y;
priv->fd = fd;
priv->mouseId = mouseId;
priv->packetLength = (mouseId == PS2_ID_IMPS2) ? 4 : 3;
return RET_OK;
}
static void
check_devices( const char *devnames[], int num )
{
int i, fd;
for (i=0; i<num; i++) {
if ((fd = open( devnames[i], O_RDWR | O_SYNC )) < 0)
continue;
if (init_ps2( fd, false ) < 0) {
close( fd );
continue;
}
devlist[ndev++] = devnames[i];
close( fd );
break;
}
}
void kernel_main(multiboot_info_t* mbd, unsigned int magic)
{
terminal_initialize();
terminal_writestring("Now booting SLU\n");
terminal_writestring("Compiled on ");
terminal_writestring(__DATE__);
terminal_writestring(" at ");
terminal_writestring(__TIME__);
terminal_writestring("\n");
print_logo();
terminal_writestringwithcolor("Current memory available: ", COLOR_GREEN, COLOR_BLACK);
char mem[33];
ltoa(mbd->mem_upper + mbd -> mem_lower, mem, 10);
terminal_writestring(mem);
terminal_writestring(" kilobytes \n");
terminal_writestring("CPU Flags: ");
char iflags[65];
ltoa(getCPUFlags(), iflags, 2);
terminal_writestring(iflags);
terminal_writestring("\n");
terminal_writestringwithcolor("Magic number: ", COLOR_MAGENTA, COLOR_BLACK);
char mchar[33];
itoa(magic, mchar, 16);
terminal_writestring(mchar);
terminal_writestring("\n");
update_cursor(10, 10);
terminal_writestring("Setting up tables\n");
asm("cli");
init_gdt();
init_idt();
asm("sti");
init_ps2();
terminal_writestring("Done setting up tables\n");
while(1);
}
static DFBResult
driver_open_device( CoreInputDevice *device,
unsigned int number,
InputDeviceInfo *info,
void **driver_data )
{
int fd;
int mouseId = -1;
int flags;
PS2MouseData *data;
/* open device */
flags = (dfb_config->mouse_gpm_source)
? (O_RDONLY | O_NONBLOCK)
: (O_RDWR | O_SYNC | O_EXCL);
fd = open( devlist[number], flags );
if (fd < 0) {
D_PERROR( "DirectFB/PS2Mouse: failed opening `%s' !\n",
devlist[number] );
close( fd );
return DFB_INIT;
}
fcntl( fd, F_SETFL, fcntl ( fd, F_GETFL ) & ~O_NONBLOCK );
if (!dfb_config->mouse_gpm_source) {
mouseId = init_ps2( fd, true );
if (mouseId < 0) {
D_PERROR( "DirectFB/PS2Mouse: could not initialize mouse on `%s'!\n",
devlist[number] );
close( fd );
return DFB_INIT;
}
}
if (dfb_config->mouse_protocol) {
if (strcasecmp( dfb_config->mouse_protocol, "IMPS/2" ) == 0) {
mouseId = PS2_ID_IMPS2;
}
else if (strcasecmp( dfb_config->mouse_protocol, "PS/2" ) == 0) {
mouseId = PS2_ID_PS2;
}
else {
D_ERROR( "DirectFB/PS2Mouse: unsupported protocol `%s' !\n",
dfb_config->mouse_protocol );
close( fd );
return DFB_INIT;
}
}
/* fill device info structure */
snprintf( info->desc.name, DFB_INPUT_DEVICE_DESC_NAME_LENGTH,
(mouseId == PS2_ID_IMPS2) ? "IMPS/2 Mouse" : "PS/2 Mouse" );
snprintf( info->desc.vendor,
DFB_INPUT_DEVICE_DESC_VENDOR_LENGTH, "Unknown" );
info->prefered_id = DIDID_MOUSE;
info->desc.type = DIDTF_MOUSE;
#ifndef DIRECTFB_DISABLE_DEPRECATED
info->desc.caps = DICAPS_AXES | DICAPS_BUTTONS;
#else
info->desc.caps = DIDCAPS_AXES | DIDCAPS_BUTTONS;
#endif
info->desc.max_axis = (mouseId == PS2_ID_IMPS2) ? DIAI_Z : DIAI_Y;
info->desc.max_button = DIBI_MIDDLE; /* TODO: probe!? */
/* allocate and fill private data */
data = D_CALLOC( 1, sizeof(PS2MouseData) );
if (!data) {
close( fd );
return D_OOM();
}
data->fd = fd;
data->device = device;
data->mouseId = mouseId;
data->packetLength = (mouseId == PS2_ID_IMPS2) ? 4 : 3;
/* start input thread */
data->thread = direct_thread_create( DTT_INPUT, ps2mouseEventThread, data, "PS/2 Input" );
/* set private data pointer */
*driver_data = data;
return DFB_OK;
}
