void processor_start(int mode)
{
const struct video_timing *m = &video_modes[mode];
processor_mode = mode;
processor_h_active = m->h_active;
processor_v_active = m->v_active;
processor_refresh = calculate_refresh_rate(m);
hdmi_out0_fi_enable_write(0);
hdmi_out1_fi_enable_write(0);
hdmi_out0_driver_clocking_pll_reset_write(1);
hdmi_in0_edid_hpd_en_write(0);
hdmi_in1_edid_hpd_en_write(0);
hdmi_in0_disable();
hdmi_in1_disable();
hdmi_in0_clear_framebuffers();
hdmi_in1_clear_framebuffers();
pattern_fill_framebuffer(m->h_active, m->v_active);
pll_config_for_clock(m->pixel_clock);
fb_set_mode(m);
edid_set_mode(m);
hdmi_in0_init_video(m->h_active, m->v_active);
hdmi_in1_init_video(m->h_active, m->v_active);
hdmi_out0_driver_clocking_pll_reset_write(0);
hdmi_out0_fi_enable_write(1);
hdmi_out1_fi_enable_write(1);
hdmi_in0_edid_hpd_en_write(1);
hdmi_in1_edid_hpd_en_write(1);
}
void hdmi_in0_service(void)
{
static int last_event;
if(hdmi_in0_connected) {
if(!hdmi_in0_edid_hpd_notif_read()) {
if(hdmi_in0_debug)
printf("dvisampler0: disconnected\n");
hdmi_in0_connected = 0;
hdmi_in0_locked = 0;
hdmi_in0_clocking_pll_reset_write(1);
hdmi_in0_clear_framebuffers();
} else {
if(hdmi_in0_locked) {
if(hdmi_in0_clocking_locked_filtered()) {
if(elapsed(&last_event, identifier_frequency_read()/2)) {
hdmi_in0_adjust_phase();
if(hdmi_in0_debug)
hdmi_in0_print_status();
}
} else {
if(hdmi_in0_debug)
printf("dvisampler0: lost PLL lock\n");
hdmi_in0_locked = 0;
hdmi_in0_clear_framebuffers();
}
} else {
if(hdmi_in0_clocking_locked_filtered()) {
if(hdmi_in0_debug)
printf("dvisampler0: PLL locked\n");
hdmi_in0_phase_startup();
if(hdmi_in0_debug)
hdmi_in0_print_status();
hdmi_in0_locked = 1;
}
}
}
} else {
if(hdmi_in0_edid_hpd_notif_read()) {
if(hdmi_in0_debug)
printf("dvisampler0: connected\n");
hdmi_in0_connected = 1;
hdmi_in0_clocking_pll_reset_write(0);
}
}
hdmi_in0_check_overflow();
}
