C++ (Cpp) read_hpd_gpio Beispiele

Beispiel #1

Datei: meson_cvbs.c Projekt: akuster/linux-meson

static enum drm_connector_status meson_connector_detect(struct drm_connector *connector, bool force)
{
	struct meson_connector *meson_connector = to_meson_connector(connector);
	int vrefresh = drm_mode_vrefresh(meson_connector->mode);
	enum meson_cvbs_switch_state s = meson_cvbs_get_switch_state();
	struct device *d = connector->dev->dev;

	if (!meson_connector->enabled)
		return connector_status_disconnected;

	/* PAL connector */
	if (vrefresh == 100 && s != MESON_CVBS_SWITCH_PAL) {
		dev_info(d, "CVBS/NTSC selected from switch\n");
		return connector_status_disconnected;
	}

	/* NTSC connector */
	if (vrefresh == 120 && s != MESON_CVBS_SWITCH_NTSC) {
		dev_info(d, "CVBS/PAL selected from switch\n");
		return connector_status_disconnected;
	}

	/* use the opposite from HPD -- HDMI connected means composite disconnected,
	 * HDMI disconnected means composite connected. */
	return read_hpd_gpio() ? connector_status_disconnected : connector_status_connected;
}

Beispiel #2

Datei: output_dev_osd.c Projekt: davidftv/s82_kernel

static int osd1_init(logo_object_t *plogo)
{
	int hpd_state = 0;

	if(plogo->para.output_dev_type==output_osd1.idx)
	{
		DisableVideoLayer();
		if((plogo->platform_res[output_osd1.idx].mem_end - plogo->platform_res[output_osd1.idx].mem_start) ==0)
		{
			return OUTPUT_DEV_UNFOUND;
		}
		if(plogo->para.loaded)
		{
			osd_init_hw(plogo->para.loaded);
			if(plogo->para.vout_mode > VMODE_4K2K_SMPTE){
				plogo->para.vout_mode|=VMODE_LOGO_BIT_MASK;
			}
		}
#ifdef CONFIG_AM_HDMI_ONLY
		if(plogo->para.vout_mode > VMODE_4K2K_SMPTE) {
			set_current_vmode(plogo->para.vout_mode);
		}else{
			extern int read_hpd_gpio(void);
			hpd_state = read_hpd_gpio();
    		
			if (hpd_state == 0){
			    set_current_vmode(cvbsmode_hdmionly);
			}
			else{
			    set_current_vmode(hdmimode_hdmionly);
			}
		}
#else
		set_current_vmode(plogo->para.vout_mode);
#endif
		output_osd1.vinfo=get_current_vinfo();
		plogo->dev=&output_osd1;
		plogo->dev->window.x=0;
		plogo->dev->window.y=0;
		plogo->dev->window.w=plogo->dev->vinfo->width;
		plogo->dev->window.h=plogo->dev->vinfo->height;
		plogo->dev->output_dev.osd.mem_start=plogo->platform_res[LOGO_DEV_OSD1].mem_start;
		plogo->dev->output_dev.osd.mem_end=plogo->platform_res[LOGO_DEV_OSD1].mem_end;
		plogo->dev->output_dev.osd.color_depth=get_curr_color_depth(P_VIU_OSD2_BLK0_CFG_W0);//setup by uboot
		return OUTPUT_DEV_FOUND;
	}
	return OUTPUT_DEV_UNFOUND;
}

Beispiel #3

Datei: output_dev_osd.c Projekt: kozmo2k4/linux-amlogic

static int osd1_init(logo_object_t *plogo)
{
#if defined(CONFIG_AM_HDMI_ONLY)
	int hpd_state = 0;
#endif
#if defined(CONFIG_AM_HDMI_ONLY) || (MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON8)
	vmode_t cur_mode = plogo->para.vout_mode;
#endif

	if(plogo->para.output_dev_type==output_osd1.idx)
	{
		DisableVideoLayer();
		if((plogo->platform_res[output_osd1.idx].mem_end - plogo->platform_res[output_osd1.idx].mem_start) ==0)
		{
			return OUTPUT_DEV_UNFOUND;
		}
		if(plogo->para.loaded)
		{
			osd_init_hw(plogo->para.loaded);
			if(plogo->para.vout_mode > VMODE_4K2K_SMPTE){
				plogo->para.vout_mode|=VMODE_LOGO_BIT_MASK;
			}
		}
#ifdef CONFIG_AM_HDMI_ONLY
		if(plogo->para.vout_mode > VMODE_4K2K_SMPTE) {
			set_current_vmode(plogo->para.vout_mode);
		}else{
			extern int read_hpd_gpio(void);
			hpd_state = read_hpd_gpio();
    		
			if (hpd_state == 0){
			    cur_mode = cvbsmode_hdmionly;
			}
			else{
			    cur_mode = hdmimode_hdmionly;
			}
			set_current_vmode(cur_mode);
		}
#else
		set_current_vmode(plogo->para.vout_mode);
#endif

#if MESON_CPU_TYPE < MESON_CPU_TYPE_MESON8
		osd_init_scan_mode();
#endif
		output_osd1.vinfo=get_current_vinfo();
		plogo->dev=&output_osd1;
		plogo->dev->window.x=0;
		plogo->dev->window.y=0;
		plogo->dev->window.w=plogo->dev->vinfo->width;
		plogo->dev->window.h=plogo->dev->vinfo->height;
		plogo->dev->output_dev.osd.mem_start=plogo->platform_res[LOGO_DEV_OSD1].mem_start;
		plogo->dev->output_dev.osd.mem_end=plogo->platform_res[LOGO_DEV_OSD1].mem_end;
		plogo->dev->output_dev.osd.color_depth=get_curr_color_depth(P_VIU_OSD2_BLK0_CFG_W0);//setup by uboot
#if MESON_CPU_TYPE >= MESON_CPU_TYPE_MESON8
		if((cur_mode != (plogo->para.vout_mode & VMODE_MODE_BIT_MASK)) && (cur_mode <= VMODE_4K2K_SMPTE)) {
		    set_osd_freescaler(LOGO_DEV_OSD1, plogo, cur_mode);
		}
#endif
		return OUTPUT_DEV_FOUND;
	}
	return OUTPUT_DEV_UNFOUND;
}