1 files changed, 114 insertions, 45 deletions

diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 0d6d7213a858..769d0828581c 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -60,6 +60,7 @@
 static struct {
 	struct mutex lock;
 	struct platform_device *pdev;
+
 	struct hdmi_ip_data ip_data;
 
 	struct clk *sys_clk;
@@ -295,6 +296,12 @@ static const struct hdmi_config vesa_timings[] = {
 			false, },
 		{ 0x55, HDMI_DVI },
 	},
+	{
+		{ 1920, 1200, 154000, 32, 48, 80, 6, 3, 26,
+			OMAPDSS_SIG_ACTIVE_LOW, OMAPDSS_SIG_ACTIVE_HIGH,
+			false, },
+		{ 0x44, HDMI_DVI },
+	},
 };
 
 static int hdmi_runtime_get(void)
@@ -323,7 +330,6 @@ static void hdmi_runtime_put(void)
 
 static int __init hdmi_init_display(struct omap_dss_device *dssdev)
 {
-	struct omap_dss_board_info *pdata = hdmi.pdev->dev.platform_data;
 	int r;
 
 	struct gpio gpios[] = {
@@ -334,13 +340,17 @@ static int __init hdmi_init_display(struct omap_dss_device *dssdev)
 
 	DSSDBG("init_display\n");
 
-	dss_init_hdmi_ip_ops(&hdmi.ip_data, pdata->version);
+	dss_init_hdmi_ip_ops(&hdmi.ip_data, omapdss_get_version());
 
 	if (hdmi.vdda_hdmi_dac_reg == NULL) {
 		struct regulator *reg;
 
 		reg = devm_regulator_get(&hdmi.pdev->dev, "vdda_hdmi_dac");
 
+		/* DT HACK: try VDAC to make omapdss work for o4 sdp/panda */
+		if (IS_ERR(reg))
+			reg = devm_regulator_get(&hdmi.pdev->dev, "VDAC");
+
 		if (IS_ERR(reg)) {
 			DSSERR("can't get VDDA_HDMI_DAC regulator\n");
 			return PTR_ERR(reg);
@@ -356,7 +366,7 @@ static int __init hdmi_init_display(struct omap_dss_device *dssdev)
 	return 0;
 }
 
-static void __exit hdmi_uninit_display(struct omap_dss_device *dssdev)
+static void hdmi_uninit_display(struct omap_dss_device *dssdev)
 {
 	DSSDBG("uninit_display\n");
 
@@ -399,7 +409,8 @@ static bool hdmi_timings_compare(struct omap_video_timings *timing1,
 {
 	int timing1_vsync, timing1_hsync, timing2_vsync, timing2_hsync;
 
-	if ((timing2->pixel_clock == timing1->pixel_clock) &&
+	if ((DIV_ROUND_CLOSEST(timing2->pixel_clock, 1000) ==
+			DIV_ROUND_CLOSEST(timing1->pixel_clock, 1000)) &&
 		(timing2->x_res == timing1->x_res) &&
 		(timing2->y_res == timing1->y_res)) {
 
@@ -501,12 +512,9 @@ static void hdmi_compute_pll(struct omap_dss_device *dssdev, int phy,
 	DSSDBG("range = %d sd = %d\n", pi->dcofreq, pi->regsd);
 }
 
-static int hdmi_power_on(struct omap_dss_device *dssdev)
+static int hdmi_power_on_core(struct omap_dss_device *dssdev)
 {
 	int r;
-	struct omap_video_timings *p;
-	struct omap_overlay_manager *mgr = dssdev->output->manager;
-	unsigned long phy;
 
 	gpio_set_value(hdmi.ct_cp_hpd_gpio, 1);
 	gpio_set_value(hdmi.ls_oe_gpio, 1);
@@ -522,6 +530,38 @@ static int hdmi_power_on(struct omap_dss_device *dssdev)
 	if (r)
 		goto err_runtime_get;
 
+	/* Make selection of HDMI in DSS */
+	dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
+
+	return 0;
+
+err_runtime_get:
+	regulator_disable(hdmi.vdda_hdmi_dac_reg);
+err_vdac_enable:
+	gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
+	gpio_set_value(hdmi.ls_oe_gpio, 0);
+	return r;
+}
+
+static void hdmi_power_off_core(struct omap_dss_device *dssdev)
+{
+	hdmi_runtime_put();
+	regulator_disable(hdmi.vdda_hdmi_dac_reg);
+	gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
+	gpio_set_value(hdmi.ls_oe_gpio, 0);
+}
+
+static int hdmi_power_on_full(struct omap_dss_device *dssdev)
+{
+	int r;
+	struct omap_video_timings *p;
+	struct omap_overlay_manager *mgr = dssdev->output->manager;
+	unsigned long phy;
+
+	r = hdmi_power_on_core(dssdev);
+	if (r)
+		return r;
+
 	dss_mgr_disable(mgr);
 
 	p = &hdmi.ip_data.cfg.timings;
@@ -549,17 +589,6 @@ static int hdmi_power_on(struct omap_dss_device *dssdev)
 
 	hdmi.ip_data.ops->video_configure(&hdmi.ip_data);
 
-	/* Make selection of HDMI in DSS */
-	dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
-
-	/* Select the dispc clock source as PRCM clock, to ensure that it is not
-	 * DSI PLL source as the clock selected by DSI PLL might not be
-	 * sufficient for the resolution selected / that can be changed
-	 * dynamically by user. This can be moved to single location , say
-	 * Boardfile.
-	 */
-	dss_select_dispc_clk_source(dssdev->clocks.dispc.dispc_fclk_src);
-
 	/* bypass TV gamma table */
 	dispc_enable_gamma_table(0);
 
@@ -583,16 +612,11 @@ err_vid_enable:
 err_phy_enable:
 	hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
 err_pll_enable:
-	hdmi_runtime_put();
-err_runtime_get:
-	regulator_disable(hdmi.vdda_hdmi_dac_reg);
-err_vdac_enable:
-	gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
-	gpio_set_value(hdmi.ls_oe_gpio, 0);
+	hdmi_power_off_core(dssdev);
 	return -EIO;
 }
 
-static void hdmi_power_off(struct omap_dss_device *dssdev)
+static void hdmi_power_off_full(struct omap_dss_device *dssdev)
 {
 	struct omap_overlay_manager *mgr = dssdev->output->manager;
 
@@ -601,12 +625,8 @@ static void hdmi_power_off(struct omap_dss_device *dssdev)
 	hdmi.ip_data.ops->video_disable(&hdmi.ip_data);
 	hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
 	hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
-	hdmi_runtime_put();
-
-	regulator_disable(hdmi.vdda_hdmi_dac_reg);
 
-	gpio_set_value(hdmi.ct_cp_hpd_gpio, 0);
-	gpio_set_value(hdmi.ls_oe_gpio, 0);
+	hdmi_power_off_core(dssdev);
 }
 
 int omapdss_hdmi_display_check_timing(struct omap_dss_device *dssdev,
@@ -716,7 +736,7 @@ int omapdss_hdmi_display_enable(struct omap_dss_device *dssdev)
 		goto err0;
 	}
 
-	r = hdmi_power_on(dssdev);
+	r = hdmi_power_on_full(dssdev);
 	if (r) {
 		DSSERR("failed to power on device\n");
 		goto err1;
@@ -738,13 +758,48 @@ void omapdss_hdmi_display_disable(struct omap_dss_device *dssdev)
 
 	mutex_lock(&hdmi.lock);
 
-	hdmi_power_off(dssdev);
+	hdmi_power_off_full(dssdev);
 
 	omap_dss_stop_device(dssdev);
 
 	mutex_unlock(&hdmi.lock);
 }
 
+int omapdss_hdmi_core_enable(struct omap_dss_device *dssdev)
+{
+	int r = 0;
+
+	DSSDBG("ENTER omapdss_hdmi_core_enable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	hdmi.ip_data.hpd_gpio = hdmi.hpd_gpio;
+
+	r = hdmi_power_on_core(dssdev);
+	if (r) {
+		DSSERR("failed to power on device\n");
+		goto err0;
+	}
+
+	mutex_unlock(&hdmi.lock);
+	return 0;
+
+err0:
+	mutex_unlock(&hdmi.lock);
+	return r;
+}
+
+void omapdss_hdmi_core_disable(struct omap_dss_device *dssdev)
+{
+	DSSDBG("Enter omapdss_hdmi_core_disable\n");
+
+	mutex_lock(&hdmi.lock);
+
+	hdmi_power_off_core(dssdev);
+
+	mutex_unlock(&hdmi.lock);
+}
+
 static int hdmi_get_clocks(struct platform_device *pdev)
 {
 	struct clk *clk;
@@ -913,7 +968,7 @@ int hdmi_audio_config(struct omap_dss_audio *audio)
 static struct omap_dss_device * __init hdmi_find_dssdev(struct platform_device *pdev)
 {
 	struct omap_dss_board_info *pdata = pdev->dev.platform_data;
-	const char *def_disp_name = dss_get_default_display_name();
+	const char *def_disp_name = omapdss_get_default_display_name();
 	struct omap_dss_device *def_dssdev;
 	int i;
 
@@ -971,9 +1026,19 @@ static void __init hdmi_probe_pdata(struct platform_device *pdev)
 		return;
 	}
 
+	r = omapdss_output_set_device(&hdmi.output, dssdev);
+	if (r) {
+		DSSERR("failed to connect output to new device: %s\n",
+				dssdev->name);
+		dss_put_device(dssdev);
+		return;
+	}
+
 	r = dss_add_device(dssdev);
 	if (r) {
 		DSSERR("device %s register failed: %d\n", dssdev->name, r);
+		omapdss_output_unset_device(&hdmi.output);
+		hdmi_uninit_display(dssdev);
 		dss_put_device(dssdev);
 		return;
 	}
@@ -1000,22 +1065,22 @@ static void __exit hdmi_uninit_output(struct platform_device *pdev)
 /* HDMI HW IP initialisation */
 static int __init omapdss_hdmihw_probe(struct platform_device *pdev)
 {
-	struct resource *hdmi_mem;
+	struct resource *res;
 	int r;
 
 	hdmi.pdev = pdev;
 
 	mutex_init(&hdmi.lock);
+	mutex_init(&hdmi.ip_data.lock);
 
-	hdmi_mem = platform_get_resource(hdmi.pdev, IORESOURCE_MEM, 0);
-	if (!hdmi_mem) {
+	res = platform_get_resource(hdmi.pdev, IORESOURCE_MEM, 0);
+	if (!res) {
 		DSSERR("can't get IORESOURCE_MEM HDMI\n");
 		return -EINVAL;
 	}
 
 	/* Base address taken from platform */
-	hdmi.ip_data.base_wp = ioremap(hdmi_mem->start,
-						resource_size(hdmi_mem));
+	hdmi.ip_data.base_wp = devm_request_and_ioremap(&pdev->dev, res);
 	if (!hdmi.ip_data.base_wp) {
 		DSSERR("can't ioremap WP\n");
 		return -ENOMEM;
@@ -1023,7 +1088,7 @@ static int __init omapdss_hdmihw_probe(struct platform_device *pdev)
 
 	r = hdmi_get_clocks(pdev);
 	if (r) {
-		iounmap(hdmi.ip_data.base_wp);
+		DSSERR("can't get clocks\n");
 		return r;
 	}
 
@@ -1034,9 +1099,11 @@ static int __init omapdss_hdmihw_probe(struct platform_device *pdev)
 	hdmi.ip_data.pll_offset = HDMI_PLLCTRL;
 	hdmi.ip_data.phy_offset = HDMI_PHY;
 
-	mutex_init(&hdmi.ip_data.lock);
-
-	hdmi_panel_init();
+	r = hdmi_panel_init();
+	if (r) {
+		DSSERR("can't init panel\n");
+		goto err_panel_init;
+	}
 
 	dss_debugfs_create_file("hdmi", hdmi_dump_regs);
 
@@ -1045,6 +1112,10 @@ static int __init omapdss_hdmihw_probe(struct platform_device *pdev)
 	hdmi_probe_pdata(pdev);
 
 	return 0;
+
+err_panel_init:
+	hdmi_put_clocks();
+	return r;
 }
 
 static int __exit hdmi_remove_child(struct device *dev, void *data)
@@ -1068,8 +1139,6 @@ static int __exit omapdss_hdmihw_remove(struct platform_device *pdev)
 
 	hdmi_put_clocks();
 
-	iounmap(hdmi.ip_data.base_wp);
-
 	return 0;
 }