C++ (Cpp) dispc_mgr_set_lcd_timingsの例

コード例 #1

ファイル: dpi.c プロジェクト: robacklin/omap-android

static int dpi_set_mode(struct omap_dss_device *dssdev)
{
	struct omap_video_timings *t = &dssdev->panel.timings;
	int lck_div = 0, pck_div = 0;
	unsigned long fck = 0;
	unsigned long pck;
	bool is_tft;
	int r = 0;

	dispc_mgr_set_pol_freq(dssdev->manager->id, dssdev->panel.config,
			dssdev->panel.acbi, dssdev->panel.acb);

	is_tft = (dssdev->panel.config & OMAP_DSS_LCD_TFT) != 0;

	if (dpi_use_dsi_pll(dssdev))
		r = dpi_set_dsi_clk(dssdev, is_tft, t->pixel_clock * 1000,
				&fck, &lck_div, &pck_div);
	else
		r = dpi_set_dispc_clk(dssdev, is_tft, t->pixel_clock * 1000,
				&fck, &lck_div, &pck_div);
	if (r)
		return r;

	pck = fck / lck_div / pck_div / 1000;

	if (pck != t->pixel_clock) {
		DSSWARN("Could not find exact pixel clock. "
				"Requested %d kHz, got %lu kHz\n",
				t->pixel_clock, pck);

		t->pixel_clock = pck;
	}

	dispc_mgr_set_lcd_timings(dssdev->manager->id, t);

	return 0;
}

コード例 #2

ファイル: sdi.c プロジェクト: romanbb/android_kernel_lge_d851

int omapdss_sdi_display_enable(struct omap_dss_device *dssdev)
{
	struct omap_video_timings *t = &dssdev->panel.timings;
	struct dss_clock_info dss_cinfo;
	struct dispc_clock_info dispc_cinfo;
	u16 lck_div, pck_div;
	unsigned long fck;
	unsigned long pck;
	int r;

	if (dssdev->manager == NULL) {
		DSSERR("failed to enable display: no manager\n");
		return -ENODEV;
	}

	r = omap_dss_start_device(dssdev);
	if (r) {
		DSSERR("failed to start device\n");
		goto err_start_dev;
	}

	r = regulator_enable(sdi.vdds_sdi_reg);
	if (r)
		goto err_reg_enable;

	r = dss_runtime_get();
	if (r)
		goto err_get_dss;

	r = dispc_runtime_get();
	if (r)
		goto err_get_dispc;

	sdi_basic_init(dssdev);

	/*            */
	dssdev->panel.config |= OMAP_DSS_LCD_RF | OMAP_DSS_LCD_ONOFF;

	dispc_mgr_set_pol_freq(dssdev->manager->id, dssdev->panel.config,
			dssdev->panel.acbi, dssdev->panel.acb);

	r = dss_calc_clock_div(1, t->pixel_clock * 1000,
			&dss_cinfo, &dispc_cinfo);
	if (r)
		goto err_calc_clock_div;

	fck = dss_cinfo.fck;
	lck_div = dispc_cinfo.lck_div;
	pck_div = dispc_cinfo.pck_div;

	pck = fck / lck_div / pck_div / 1000;

	if (pck != t->pixel_clock) {
		DSSWARN("Could not find exact pixel clock. Requested %d kHz, "
				"got %lu kHz\n",
				t->pixel_clock, pck);

		t->pixel_clock = pck;
	}


	dispc_mgr_set_lcd_timings(dssdev->manager->id, t);

	r = dss_set_clock_div(&dss_cinfo);
	if (r)
		goto err_set_dss_clock_div;

	r = dispc_mgr_set_clock_div(dssdev->manager->id, &dispc_cinfo);
	if (r)
		goto err_set_dispc_clock_div;

	dss_sdi_init(dssdev->phy.sdi.datapairs);
	r = dss_sdi_enable();
	if (r)
		goto err_sdi_enable;
	mdelay(2);

	r = dss_mgr_enable(dssdev->manager);
	if (r)
		goto err_mgr_enable;

	return 0;

err_mgr_enable:
	dss_sdi_disable();
err_sdi_enable:
err_set_dispc_clock_div:
err_set_dss_clock_div:
err_calc_clock_div:
	dispc_runtime_put();
err_get_dispc:
	dss_runtime_put();
err_get_dss:
	regulator_disable(sdi.vdds_sdi_reg);
err_reg_enable:
	omap_dss_stop_device(dssdev);
err_start_dev:
	return r;
}