/*! Init primary accelerant */
status_t
radeon_init_accelerant(int device)
{
TRACE("%s enter\n", __func__);
status_t status = init_common(device, false);
if (status != B_OK)
return status;
radeon_shared_info &info = *gInfo->shared_info;
init_lock(&info.accelerant_lock, "radeon hd accelerant");
init_lock(&info.engine_lock, "radeon hd engine");
radeon_init_bios(gInfo->rom);
// disable spread spectrum as it requires lots of extra calculations
radeon_gpu_ss_disable();
// find GPIO pins from AtomBIOS
gpio_probe();
// find physical card connectors from AtomBIOS
status = connector_probe();
if (status != B_OK) {
TRACE("%s: falling back to legacy connector probe.\n", __func__);
status = connector_probe_legacy();
}
if (status != B_OK) {
TRACE("%s: couldn't detect supported connectors!\n", __func__);
return status;
}
// print found connectors
debug_connectors();
// setup encoders on each connector if needed
encoder_init();
// setup link on any DisplayPort connectors
dp_setup_connectors();
// detect attached displays
status = detect_displays();
//if (status != B_OK)
// return status;
// print found displays
debug_displays();
// create initial list of video modes
status = create_mode_list();
//if (status != B_OK) {
// radeon_uninit_accelerant();
// return status;
//}
radeon_gpu_mc_setup();
// Set up data crunching + irq rings
radeon_gpu_ring_setup();
radeon_gpu_ring_boot(RADEON_QUEUE_TYPE_GFX_INDEX);
TRACE("%s done\n", __func__);
return B_OK;
}
void gui_thread(GUI_DRIVER_INFO* drv_info)
{
unsigned int res, tmp, redraw;
WINDOW win;
WINDOW top;
WINDOW desktop; //main_dlg;
CHandle key_hnd;
CHandle gui_hnd;
//prevent these signals not to be used from task handles
ALLOCATE_SIGNAL(SIG_GUI_TASK);
//wait for static constructors (lcd object)
while(!detect_displays(drv_info))
tsk_sleep(10);
// start desktop
while( !(desktop = tsk_new_window(maindlg_cb)) )
{
tsk_sleep(10);
}
desktop->next = NULL;
top = desktop;
desktop->rect.x1 = drv_info->lcd[0]->size_x;
desktop->rect.y1 = drv_info->lcd[0]->size_y;
for(int i=0; i<GUI_DISPLAYS; i++)
{
if(drv_info->lcd[i])
{
#if GUI_DISPLAYS > 1
desktop->displays |= (1<<i);
#endif
drv_info->lcd[i]->lcd_init((GUI_CB)splashdlg_cb);
}
}
tsk_sleep(3000);
init_main_menu();
// start key handle
key_hnd.tsk_safe_open(KEY_DRV_INDX, 0);
key_hnd.src.as_int = 0;
key_hnd.tsk_start_read(&key_hnd.src.as_int, 1);
// start gui handle
gui_hnd.tsk_safe_open(GUI_DRV_INDX, 0); //mode = 1 - control handle
gui_hnd.tsk_start_read(NULL, 0);
for(;;)
{
res = tsk_wait_signal(-1u, 1000 - (CURRENT_TIME %1000));
redraw = res>>8;;
if(!res)
redraw = 0xFF;
// 1) get waiting objects
if(res & gui_hnd.signal)
{
drv_info->lcd[0]->backlight_signal();
gui_hnd.res &= ~FLG_SIGNALED;
win = (WINDOW)gui_hnd.dst.as_voidptr;
if(win)
{
top->next = win;
do
{
top = (WINDOW)top->next;
top->rect.x1 = desktop->rect.x1;
top->rect.y1 = desktop->rect.y1;
top->callback(NULL , WM_INIT);
#if GUI_DISPLAYS > 1
redraw |= top->displays;
#endif
} while( top->next );
}
gui_hnd.tsk_start_read(NULL, 0);
#if GUI_DISPLAYS == 1
redraw |= 1;
#endif
}
// 2) check keyboard
if(res & key_hnd.signal)
{
drv_info->lcd[0]->backlight_signal();
key_hnd.res &= ~FLG_SIGNALED;
//send to top
tmp = top->callback(key_hnd.src.as_int , WM_KEY);
if(tmp & FLG_BUSY) //FLG_BUSY returned to redraw
{
tmp ^= FLG_BUSY;
#if GUI_DISPLAYS > 1
redraw |= top->displays;
#else
redraw |= 1;
#endif
}
top->mode1 = tmp;
key_hnd.tsk_start_read(&key_hnd.src.as_int, 1);
}
// 3) command loop
top = NULL;
win = desktop;
do
{
// check for pending commands
if(win->mode0 & FLG_OK)
{
locked_clr_byte(&win->mode0, FLG_OK);
tmp = win->callback(win->dst.as_int, WM_USER);
if(tmp & FLG_BUSY) //FLG_BUSY returned to redraw
{
tmp ^= FLG_BUSY;
#if GUI_DISPLAYS > 1
redraw |= win->displays;
#else
redraw |= 1;
#endif
}
win->mode1 |= tmp;
}
//check for complete (close object)
if(top && ((win->mode0 | win->mode1) & FLG_SIGNALED) )
{
top->next = win->next;
#if GUI_DISPLAYS > 1
redraw |= win->displays;
#else
redraw |= 1;
#endif
usr_HND_SET_STATUS(win, win->mode1 | FLG_SIGNALED);
win = (WINDOW)top->next;
} else
{
top = win;
win = (WINDOW)win->next;
}
} while (win );
// 3) draw loop
for(int i=0; i<GUI_DISPLAYS; i++)
{
if( (redraw & (1<<i)) && drv_info->lcd[i])
{
drv_info->lcd[i]->redraw_screen(desktop);
}
}
}
}
