示例#1
0
static int dpi_display_enable(struct omap_dss_device *dssdev)
{
	int r;

	r = omap_dss_start_device(dssdev);
	if (r) {
		DSSERR("failed to start device\n");
		goto err0;
	}

	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
		DSSERR("display already enabled\n");
		r = -EINVAL;
		goto err1;
	}

	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);

	r = dpi_basic_init(dssdev);
	if (r)
		goto err2;

#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	dss_clk_enable(DSS_CLK_FCK2);
	enable_vpll2_power(1);
	r = dsi_pll_init(1, 1);
	if (r)
		goto err3;
#endif
	r = dpi_set_mode(dssdev);
	if (r)
		goto err4;

	mdelay(2);

	dispc_enable_lcd_out(1);

	r = dssdev->driver->enable(dssdev);
	if (r)
		goto err5;

	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;

	return 0;

err5:
	dispc_enable_lcd_out(0);
err4:
#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	dsi_pll_uninit();
err3:
	dss_clk_disable(DSS_CLK_FCK2);
#endif
err2:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
err1:
	omap_dss_stop_device(dssdev);
err0:
	return r;
}
示例#2
0
int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
	int r;

	r = omap_dss_start_device(dssdev);
	if (r) {
		DSSERR("failed to start device\n");
		goto err0;
	}

	if (cpu_is_omap34xx()) {
		r = regulator_enable(dpi.vdds_dsi_reg);
		if (r)
			goto err1;
	}

	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK);

	r = dpi_basic_init(dssdev);
	if (r)
		goto err2;

	if (dpi_use_dsi_pll(dssdev)) {
		dss_clk_enable(DSS_CLK_SYSCK);
		r = dsi_pll_init(dpi.dsidev, 0, 1);
		if (r)
			goto err3;
	}

	r = dpi_set_mode(dssdev);
	if (r)
		goto err4;

	mdelay(2);

	dssdev->manager->enable(dssdev->manager);

	return 0;

err4:
	if (dpi_use_dsi_pll(dssdev))
		dsi_pll_uninit(dpi.dsidev, true);
err3:
	if (dpi_use_dsi_pll(dssdev))
		dss_clk_disable(DSS_CLK_SYSCK);
err2:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK);
	if (cpu_is_omap34xx())
		regulator_disable(dpi.vdds_dsi_reg);
err1:
	omap_dss_stop_device(dssdev);
err0:
	return r;
}
示例#3
0
int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
	int r;

	r = omap_dss_start_device(dssdev);
	if (r) {
		DSSERR("failed to start device\n");
		goto err0;
	}

	if (cpu_is_omap34xx()) {
		r = regulator_enable(dpi.vdds_dsi_reg);
		if (r)
			goto err1;
	}

	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK);

	r = dpi_basic_init(dssdev);
	if (r)
		goto err2;

#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	dss_clk_enable(DSS_CLK_SYSCK);
	r = dsi_pll_init(dssdev, 0, 1);
	if (r)
		goto err3;
#endif
	r = dpi_set_mode(dssdev);
	if (r)
		goto err4;

	mdelay(2);

	dssdev->manager->enable(dssdev->manager);

	return 0;

err4:
#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	dsi_pll_uninit();
err3:
	dss_clk_disable(DSS_CLK_SYSCK);
#endif
err2:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK);
	if (cpu_is_omap34xx())
		regulator_disable(dpi.vdds_dsi_reg);
err1:
	omap_dss_stop_device(dssdev);
err0:
	return r;
}
示例#4
0
static int dpi_display_enable(struct omap_display *display)
{
	struct omap_panel *panel = display->panel;
	int r;

	if (display->state != OMAP_DSS_DISPLAY_DISABLED) {
		DSSERR("display already enabled\n");
		return -EINVAL;
	}

	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);

	r = dpi_basic_init(display);
	if (r)
		goto err0;

#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	dss_clk_enable(DSS_CLK_FCK2);
	r = dsi_pll_init(0, 1);
	if (r)
		goto err1;
#endif
	r = dpi_set_mode(display);
	if (r)
		goto err2;

	mdelay(2);

	dispc_enable_lcd_out(1);

	r = panel->enable(display);
	if (r)
		goto err3;

	display->state = OMAP_DSS_DISPLAY_ACTIVE;

	return 0;

err3:
	dispc_enable_lcd_out(0);
err2:
#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	dsi_pll_uninit();
err1:
	dss_clk_disable(DSS_CLK_FCK2);
#endif
err0:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
	return r;
}
int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
	int r;

	if (cpu_is_omap44xx() && dssdev->channel != OMAP_DSS_CHANNEL_LCD2) {
		/* Only LCD2 channel is connected to DPI on OMAP4 */
		return -EINVAL;
	}

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

	if (cpu_is_omap34xx() && !cpu_is_omap3630()) {
		r = regulator_enable(dpi.vdds_dsi_reg);
		if (r)
			goto err0;
	}

	/* turn on clock(s) */
	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
	if (!cpu_is_omap44xx())
		dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);
#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	/*Should need only FCK2 (38.4MHz)*/
	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1 | DSS_CLK_FCK2);
#endif
	dss_mainclk_state_enable();

	dpi_basic_init(dssdev);

#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	if (!cpu_is_omap44xx())
		r = dsi_pll_init(dssdev, 0, 1);
	else {
		r = dsi_pll_init(dssdev, 1, 1);
	}

	if (r)
		goto err1;
#endif /* CONFIG_OMAP2_DSS_USE_DSI_PLL */

	r = dpi_set_mode(dssdev);
	if (r)
		goto err2;

	mdelay(2);

	if (dssdev->manager) {
		if (cpu_is_omap44xx())
			dpi_start_auto_update(dssdev);

		dssdev->manager->enable(dssdev->manager);
	}

	return 0;

err2:
#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	dsi_pll_uninit(dssdev->channel == OMAP_DSS_CHANNEL_LCD ? DSI1 : DSI2);
err1:
#endif
	dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
	if (!cpu_is_omap44xx())
		dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
	dss_mainclk_state_disable(true);
	if (cpu_is_omap34xx() && !cpu_is_omap3630())
		regulator_disable(dpi.vdds_dsi_reg);
err0:
	omap_dss_stop_device(dssdev);
	return r;
}
示例#6
0
int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
	int r;

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

	if (cpu_is_omap34xx()) {
		r = regulator_enable(dpi.vdds_dsi_reg);
		if (r)
			goto err_reg_enable;
	}

	r = dss_runtime_get();
	if (r)
		goto err_get_dss;
	if (!dssdev->skip_init) {
		r = dispc_runtime_get();
		if (r)
			goto err_get_dispc;
	}
	dpi_basic_init(dssdev);

	if (dpi_use_dsi_pll(dssdev)) {
		r = dsi_runtime_get(dpi.dsidev);
		if (r)
			goto err_get_dsi;
	if (!dssdev->skip_init) {
		r = dsi_pll_init(dpi.dsidev, 0, 1);
		if (r)
			goto err_dsi_pll_init;
		}
	}
	r = dpi_set_mode(dssdev);
	if (r)
		goto err_set_mode;

	mdelay(2);

	dssdev->manager->enable(dssdev->manager);
	if (dssdev->skip_init)
		dssdev->skip_init = false;
	return 0;

err_set_mode:
	if (dpi_use_dsi_pll(dssdev))
		dsi_pll_uninit(dpi.dsidev, true);
err_dsi_pll_init:
	if (dpi_use_dsi_pll(dssdev))
		dsi_runtime_put(dpi.dsidev);
err_get_dsi:
	dispc_runtime_put();
err_get_dispc:
	dss_runtime_put();
err_get_dss:
	if (cpu_is_omap34xx())
		regulator_disable(dpi.vdds_dsi_reg);
err_reg_enable:
	omap_dss_stop_device(dssdev);
err_start_dev:
	return r;
}
示例#7
0
int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
{
	int r;

	if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) {
		DSSERR("no VDSS_DSI regulator\n");
		return -ENODEV;
	}

	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;
	}

	if (cpu_is_omap34xx()) {
		r = regulator_enable(dpi.vdds_dsi_reg);
		if (r)
			goto err_reg_enable;
	}

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

	dpi_basic_init(dssdev);

	if (dpi_use_dsi_pll(dssdev)) {
		r = dsi_runtime_get(dpi.dsidev);
		if (r)
			goto err_get_dsi;

		r = dsi_pll_init(dpi.dsidev, 0, 1);
		if (r)
			goto err_dsi_pll_init;
	}

	r = dpi_set_mode(dssdev);
	if (r)
		goto err_set_mode;

	mdelay(2);

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

	return 0;

err_mgr_enable:
err_set_mode:
	if (dpi_use_dsi_pll(dssdev))
		dsi_pll_uninit(dpi.dsidev, true);
err_dsi_pll_init:
	if (dpi_use_dsi_pll(dssdev))
		dsi_runtime_put(dpi.dsidev);
err_get_dsi:
	dispc_runtime_put();
err_get_dispc:
	if (cpu_is_omap34xx())
		regulator_disable(dpi.vdds_dsi_reg);
err_reg_enable:
	omap_dss_stop_device(dssdev);
err_start_dev:
	return r;
}
示例#8
0
static int dpi_display_enable(struct omap_dss_device *dssdev)
{
	int r;
	int lcd_channel_ix = 1;
	int use_dsi_for_hdmi = 0;

	if (strncmp("hdmi", dssdev->name, 4) == 0)
		use_dsi_for_hdmi = 1;

	if (dssdev->channel == OMAP_DSS_CHANNEL_LCD2) {
		DSSINFO("Lcd channel index 1");
		dpi2_base = ioremap(DPI2_BASE, 2000);
		lcd_channel_ix = 1;
	} else
		lcd_channel_ix = 0;

	r = omap_dss_start_device(dssdev);
	if (r) {
		DSSERR("failed to start device\n");
		goto err0;
	}

	if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) {
		DSSERR("display already enabled\n");
		r = -EINVAL;
		goto err1;
	}

	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);

	r = dpi_basic_init(dssdev);
	if (r)
		goto err2;
	if (use_dsi_for_hdmi) {
		dss_clk_enable(DSS_CLK_FCK2);
		enable_vpll2_power(1);

		if (cpu_is_omap3630())
			r = dsi_pll_init(lcd_channel_ix, dssdev, 1, 1);
		else
			/*check param 2*/
			r = dsi_pll_init(lcd_channel_ix, dssdev, 0, 1);
		if (r)
			goto err3;
	}
	r = dpi_set_mode(dssdev);
	if (r)
		goto err4;

	mdelay(2);

	if (cpu_is_omap44xx())
		dpi_start_auto_update(dssdev);

	if (dssdev->channel == OMAP_DSS_CHANNEL_LCD2)
		dispc_enable_lcd_out(OMAP_DSS_CHANNEL_LCD2, 1);
	else
		dispc_enable_lcd_out(OMAP_DSS_CHANNEL_LCD, 1);


	r = dssdev->driver->enable(dssdev);
	if (r)
		goto err5;

	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;

	/* This is done specifically for HDMI panel
	 * Default HDMI panel timings may not work for all monitors
	 * Reset HDMI panel timings after enabling HDMI.
	 */
	if (use_dsi_for_hdmi)
		dpi_set_timings(dssdev, &dssdev->panel.timings);

	return 0;

err5:
	if (dssdev->channel == OMAP_DSS_CHANNEL_LCD2)
		dispc_enable_lcd_out(OMAP_DSS_CHANNEL_LCD2, 0);
	else
		dispc_enable_lcd_out(OMAP_DSS_CHANNEL_LCD, 0);
err4:
	if (use_dsi_for_hdmi) {
		dsi_pll_uninit(lcd_channel_ix);
		enable_vpll2_power(0);
err3:
		dss_clk_disable(DSS_CLK_FCK2);
	}
err2:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
err1:
	omap_dss_stop_device(dssdev);
err0:
	return r;
}