/// This function may cause deadlock. Make sure you call this function
/// correctly. Otherwise use wait_for_ready instead. This function is introduced
/// to solve screen update problem. We may have a better way later.
int wait_until_ready( void )
{
// TODO, change the usleep to nanosleep later.
static const int MAX = 40;
int d = gpio_hrdy( );
int count = 0;
while ( d == 0 && count < MAX)
{
bs_sleep(100);
d = gpio_hrdy( );
count++;
}
if (d == 0)
{
DBG("Still not ready, should not happen");
}
return count;
}
void bs60_init( int wa )
{
DBG( "[%s] ... initializing broadsheet for 6-inch panel\n", __FUNCTION__ );
bs_chip_init();
init_gpio();
bs_cmd_set_hif_mode_cmd( );
bs_cmd_wr_reg( 0x006, 0x0000 );
// It's really very important to sleep here to make sure the controller
// is correctly power on.
bs_sleep(5);
bs_cmd_init_sys_run( );
bs_cmd_wr_reg( 0x0106, 0x0203 );
bs_cmd_init_dspe_cfg( BS60_INIT_HSIZE,
BS60_INIT_VSIZE,
BS60_INIT_SDRV_CFG,
BS60_INIT_GDRV_CFG,
BS60_INIT_LUTIDXFMT );
bs_cmd_init_dspe_tmg( BS60_INIT_FSLEN,
( BS60_INIT_FELEN << 8 ) | BS60_INIT_FBLEN,
BS60_INIT_LSLEN,
( BS60_INIT_LELEN << 8 ) | BS60_INIT_LBLEN,
BS60_INIT_PIXCLKDIV );
bs_cmd_print_disp_timings( );
bs_cmd_set_wfm( wa );
bs_cmd_print_wfm_info( );
DBG( "[%s] ... display engine initialized with waveform\n", __FUNCTION__ );
bs_cmd_clear_gd( );
bs_cmd_wr_reg( 0x01A, 4 ); // i2c clock divider
bs_cmd_wr_reg( 0x320, 0 ); // temp auto read on
bs_cmd_set_lut_auto_sel_mode(0); // make sure auto-lut mode is off
bs_cmd_set_rotmode(3); // set rotation mode
bs60_white();
}
void reset( void )
{
set_gpio_val( GPIO_RESET_L, 0 );
bs_sleep(5);
set_gpio_val( GPIO_RESET_L, 1 );
}