fbdev: sh_mobile_hdmi: add support for 1080p modes

Add support for 3 more preprogrammed video modes: 1080p at 24, 50, and 60Hz.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

drivers/video/sh_mobile_hdmi.c

@@ -209,7 +209,8 @@ enum hotplug_state {
 struct sh_hdmi {
 	void __iomem *base;
 	enum hotplug_state hp_state;	/* hot-plug status */
-	bool preprogrammed_mode;	/* use a pre-programmed VIC or the external mode */
+	u8 preprogrammed_vic;		/* use a pre-programmed VIC or
+					   the external mode */
 	struct clk *hdmi_clk;
 	struct device *dev;
 	struct fb_info *info;
@@ -342,7 +343,7 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
 	hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
 
 	/* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
-	if (!hdmi->preprogrammed_mode)
+	if (!hdmi->preprogrammed_vic)
 		hdmi_write(hdmi, sync | 1 | (voffset << 4),
 			   HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
 }
@@ -466,7 +467,18 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
  */
 static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
 {
-	if (hdmi->var.pixclock < 30000) {
+	if (hdmi->var.pixclock < 10000) {
+		/* for 1080p8bit 148MHz */
+		hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
+		hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
+		hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
+		hdmi_write(hdmi, 0x4c, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
+		hdmi_write(hdmi, 0x1e, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
+		hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
+		hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
+		hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
+		hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
+	} else if (hdmi->var.pixclock < 30000) {
 		/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
 		/*
 		 * [1:0]	Speed_A
@@ -524,6 +536,7 @@ static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
  */
 static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
 {
+	struct fb_var_screeninfo *var = &hdmi->var;
 	u8 vic;
 
 	/* AVI InfoFrame */
@@ -565,17 +578,11 @@ static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
 	hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
 
 	/*
-	 * VIC = 1280 x 720p: ignored if external config is used
-	 * Send 2 for 720 x 480p, 16 for 1080p, ignored in external mode
+	 * VIC should be ignored if external config is used, so, we could just use 0,
+	 * but play safe and use a valid value in any case just in case
 	 */
-	if (hdmi->var.yres == 1080 && hdmi->var.xres == 1920)
-		vic = 16;
-	else if (hdmi->var.yres == 576 && hdmi->var.xres == 720)
-		vic = 17;
-	else if (hdmi->var.yres == 480 && hdmi->var.xres == 720)
-		vic = 2;
-	else if (hdmi->var.yres == 480 && hdmi->var.xres == 640)
-		vic = 1;
+	if (hdmi->preprogrammed_vic)
+		vic = hdmi->preprogrammed_vic;
 	else
 		vic = 4;
 	hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
@@ -828,17 +835,25 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
 	if (!found)
 		return -ENXIO;
 
-	if ((found->xres == 640 && found->yres == 480 && found->refresh == 60) ||
-	    (found->xres == 720 && found->yres == 480 && found->refresh == 60) ||
-	    (found->xres == 720 && found->yres == 576 && found->refresh == 50) ||
-	    (found->xres == 1280 && found->yres == 720 && found->refresh == 60) ||
-	    (found->xres == 1920 && found->yres == 1080 && found->refresh == 60))
-		hdmi->preprogrammed_mode = true;
+	if (found->xres == 640 && found->yres == 480 && found->refresh == 60)
+		hdmi->preprogrammed_vic = 1;
+	else if (found->xres == 720 && found->yres == 480 && found->refresh == 60)
+		hdmi->preprogrammed_vic = 2;
+	else if (found->xres == 720 && found->yres == 576 && found->refresh == 50)
+		hdmi->preprogrammed_vic = 17;
+	else if (found->xres == 1280 && found->yres == 720 && found->refresh == 60)
+		hdmi->preprogrammed_vic = 4;
+	else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 24)
+		hdmi->preprogrammed_vic = 32;
+	else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 50)
+		hdmi->preprogrammed_vic = 31;
+	else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 60)
+		hdmi->preprogrammed_vic = 16;
 	else
-		hdmi->preprogrammed_mode = false;
+		hdmi->preprogrammed_vic = 0;
 
 	dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
-		modelist ? "default" : "EDID", hdmi->preprogrammed_mode ? "VIC" : "external",
+		modelist ? "default" : "EDID", hdmi->preprogrammed_vic ? "VIC" : "external",
 		found->xres, found->yres, found->refresh,
 		PICOS2KHZ(found->pixclock) * 1000, found_rate_error);