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

	dispc_set_pol_freq(dssdev->channel, dssdev->panel.config,
				dssdev->panel.acbi, dssdev->panel.acb);

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

#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	r = dpi_set_dsi_clk(dssdev->channel, is_tft,
			t->pixel_clock * 1000, &pck);

	DSSDBG("dpi_set_mode: dpi_set_dsi_clk=%d\n",r);

#else /* #ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL */
	cache_req_pck = dss_get_cache_req_pck();
	if (cache_req_pck)
		r = dpi_set_dispc_clk(dssdev->channel, is_tft,
				cache_req_pck, &pck);
	else
		r = dpi_set_dispc_clk(dssdev->channel, is_tft,
				t->pixel_clock * 1000, &pck);

#endif /* CONFIG_OMAP2_DSS_USE_DSI_PLL */
	if (r)
		return r;

	pck /= 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;
	}

	DSSDBG("dpi_set_mode: pixel_clock = %d\n", t->pixel_clock);

	dispc_set_lcd_timings(dssdev->channel, t);

	return 0;
}
Esempio n. 2
0
static int dpi_set_mode(struct omap_dss_device *dssdev)
{
	struct omap_video_timings *t = &dssdev->panel.timings;
	int lck_div, pck_div;
	unsigned long fck;
	unsigned long pck;
	bool is_tft;
	int r = 0;

	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK);

	dispc_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;

#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	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);
#endif
	if (r)
		goto err0;

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

err0:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK);
	return r;
}
Esempio n. 3
0
static int dpi_set_mode(struct omap_display *display)
{
	struct omap_panel *panel = display->panel;
	int lck_div, pck_div;
	unsigned long fck;
	unsigned long pck;
	bool is_tft;
	int r = 0;

	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);

	dispc_set_pol_freq(panel);

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

#ifdef CONFIG_OMAP2_DSS_USE_DSI_PLL
	r = dpi_set_dsi_clk(is_tft, panel->timings.pixel_clock * 1000,
			&fck, &lck_div, &pck_div);
#else
	r = dpi_set_dispc_clk(is_tft, panel->timings.pixel_clock * 1000,
			&fck, &lck_div, &pck_div);
#endif
	if (r)
		goto err0;

	pck = fck / lck_div / pck_div / 1000;

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

		panel->timings.pixel_clock = pck;
	}

	dispc_set_lcd_timings(&panel->timings);

err0:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
	return r;
}
Esempio n. 4
0
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_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_set_lcd_timings(dssdev->manager->id, t);

	return 0;
}
Esempio n. 5
0
static int sdi_display_enable(struct omap_display *display)
{
	struct dispc_clock_info cinfo;
	u16 lck_div, pck_div;
	unsigned long fck;
	struct omap_panel *panel = display->panel;
	unsigned long pck;
	int r;

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

	twl4030_enable_regulator(RES_VAUX1);

	sdi_pad_config(display, 1);

	/* In case of skip_init sdi_init has already enabled the clocks */
	if (!sdi.skip_init)
		dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);

	sdi_basic_init();

	/* 15.5.9.1.2 */
	panel->config |= OMAP_DSS_LCD_RF | OMAP_DSS_LCD_ONOFF;

	dispc_set_pol_freq(panel);

	if (!sdi.skip_init)
		r = dispc_calc_clock_div(1, panel->timings.pixel_clock * 1000,
				&cinfo);
	else
		r = dispc_get_clock_div(&cinfo);

	if (r)
		goto err0;

	fck = cinfo.fck;
	lck_div = cinfo.lck_div;
	pck_div = cinfo.pck_div;

	pck = fck / lck_div / pck_div / 1000;

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

		panel->timings.pixel_clock = pck;
	}


	dispc_set_lcd_timings(&panel->timings);

	r = dispc_set_clock_div(&cinfo);
	if (r)
		goto err1;

	if (!sdi.skip_init) {
		dss_sdi_init(display->hw_config.u.sdi.datapairs);
		r = dss_sdi_enable();
		if (r)
			goto err1;
		mdelay(2);
	}

	dispc_enable_lcd_out(1);

	r = panel->enable(display);
	if (r)
		goto err2;

	display->state = OMAP_DSS_DISPLAY_ACTIVE;

	sdi.skip_init = 0;

	return 0;
err2:
	dispc_enable_lcd_out(0);
err1:
err0:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
	twl4030_disable_regulator(RES_VAUX1);

	return r;
}
Esempio n. 6
0
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;

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

	r = regulator_enable(sdi.vdds_sdi_reg);
	if (r)
		goto err1;

	/* In case of skip_init sdi_init has already enabled the clocks */
	if (!sdi.skip_init)
		dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);

	sdi_basic_init();

	/* 15.5.9.1.2 */
	dssdev->panel.config |= OMAP_DSS_LCD_RF | OMAP_DSS_LCD_ONOFF;

	dispc_set_pol_freq(dssdev->panel.config, dssdev->panel.acbi,
			dssdev->panel.acb);

	if (!sdi.skip_init) {
		r = dss_calc_clock_div(1, t->pixel_clock * 1000,
				&dss_cinfo, &dispc_cinfo);
	} else {
		r = dss_get_clock_div(&dss_cinfo);
		r = dispc_get_clock_div(&dispc_cinfo);
	}

	if (r)
		goto err2;

	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_set_lcd_timings(t);

	r = dss_set_clock_div(&dss_cinfo);
	if (r)
		goto err2;

	r = dispc_set_clock_div(&dispc_cinfo);
	if (r)
		goto err2;

	if (!sdi.skip_init) {
		dss_sdi_init(dssdev->phy.sdi.datapairs);
		r = dss_sdi_enable();
		if (r)
			goto err1;
		mdelay(2);
	}

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

	sdi.skip_init = 0;

	return 0;
err2:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
	regulator_disable(sdi.vdds_sdi_reg);
err1:
	omap_dss_stop_device(dssdev);
err0:
	return r;
}
Esempio n. 7
0
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 = 0;
	bool is_tft;
	int r = 0, lcd_channel_ix = 0;
	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)
		lcd_channel_ix = 1;

	dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);

	if (dssdev->channel == OMAP_DSS_CHANNEL_LCD2)
		dispc_set_pol_freq(OMAP_DSS_CHANNEL_LCD2, dssdev->panel.config,
				dssdev->panel.acbi, dssdev->panel.acb);
	else
		dispc_set_pol_freq(OMAP_DSS_CHANNEL_LCD, dssdev->panel.config,
				dssdev->panel.acbi, dssdev->panel.acb);

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

	if (use_dsi_for_hdmi)
		r = dpi_set_dsi_clk(lcd_channel_ix, is_tft,
				    t->pixel_clock * 1000,
				    &fck, &lck_div, &pck_div);
	else
		r = dpi_set_dispc_clk(lcd_channel_ix, is_tft,
				      t->pixel_clock * 1000,
				      &fck, &lck_div, &pck_div);
	if (r)
		goto err0;

	if (!cpu_is_omap44xx())
		pck = fck / lck_div / pck_div / 1000;
	else
		pck = 0;

	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;
	}

	if (dssdev->channel == OMAP_DSS_CHANNEL_LCD2)
		dispc_set_lcd_timings(OMAP_DSS_CHANNEL_LCD2, t);
	else
		dispc_set_lcd_timings(OMAP_DSS_CHANNEL_LCD, t);


err0:
	if (cpu_is_omap44xx() && use_dsi_for_hdmi) {
		dss_select_clk_source_dsi(lcd_channel_ix, false, false);
		dsi_pll_uninit(lcd_channel_ix);
	}

	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
	return r;
}
Esempio n. 8
0
static int 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;

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

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

	/* In case of skip_init sdi_init has already enabled the clocks */
	if (!sdi.skip_init)
		dss_clk_enable(DSS_CLK_ICK | DSS_CLK_FCK1);

	sdi_basic_init();

	/* 15.5.9.1.2 */
	dssdev->panel.config |= OMAP_DSS_LCD_RF | OMAP_DSS_LCD_ONOFF;

	/* TODO: update for LCD2 here */
	dispc_set_pol_freq(OMAP_DSS_CHANNEL_LCD, dssdev->panel.config,
			dssdev->panel.acbi, dssdev->panel.acb);

	if (!sdi.skip_init) {
		r = dss_calc_clock_div(1, t->pixel_clock * 1000,
				&dss_cinfo, &dispc_cinfo);
	} else {
		r = dss_get_clock_div(&dss_cinfo);
		r = dispc_get_clock_div(&dispc_cinfo);
	}

	if (r)
		goto err2;

	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;
	}

	/* TODO: if needed, add LCD2 support here*/
	dispc_set_lcd_timings(OMAP_DSS_CHANNEL_LCD, t);

	r = dss_set_clock_div(&dss_cinfo);
	if (r)
		goto err2;

	r = dispc_set_clock_div(&dispc_cinfo);
	if (r)
		goto err2;

	if (!sdi.skip_init) {
		dss_sdi_init(dssdev->phy.sdi.datapairs);
		r = dss_sdi_enable();
		if (r)
			goto err1;
		mdelay(2);
	}

	/* TODO: change here if LCD2 support is needed */
	dispc_enable_lcd_out(OMAP_DSS_CHANNEL_LCD, 1);

	if (dssdev->driver->enable) {
		r = dssdev->driver->enable(dssdev);
		if (r)
			goto err3;
	}

	dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;

	sdi.skip_init = 0;

	return 0;
err3:
	/* TODO: change here if LCD2 support is needed */
	dispc_enable_lcd_out(OMAP_DSS_CHANNEL_LCD, 0);
err2:
	dss_clk_disable(DSS_CLK_ICK | DSS_CLK_FCK1);
err1:
	omap_dss_stop_device(dssdev);
err0:
	return r;
}